derived_fields
list
id
string
paired_value
string
record_type
string
source
string
source_quote
string
thread_or_drill_size
string
url
string
verified_fields
list
thread_series
string
disagreements
list
[ "record_type", "thread_or_drill_size" ]
0-35-mm
.0138
drill_decimal
http://newmantools.com/decinch.htm
.35 | .0138"
0.35 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-35-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-4-mm
.0157
drill_decimal
http://newmantools.com/decinch.htm
.40 | .0157"
0.4 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-4-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-45-mm
.0177
drill_decimal
http://newmantools.com/decinch.htm
.45 | .0177"
0.45 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-45-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-5-mm
.0197
drill_decimal
http://newmantools.com/decinch.htm
.50 | .0197"
0.5 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-5-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-55-mm
.0217
drill_decimal
http://newmantools.com/decinch.htm
.55 | .0217"
0.55 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-55-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-6-mm
.0236
drill_decimal
http://newmantools.com/decinch.htm
.60 | .0236"
0.6 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-6-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-65-mm
.0256
drill_decimal
http://newmantools.com/decinch.htm
.65 | .0256"
0.65 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-65-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-7-mm
.0276
drill_decimal
http://newmantools.com/decinch.htm
.70 | .0276"
0.7 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-7-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-75-mm
.0295
drill_decimal
http://newmantools.com/decinch.htm
.75 | .0295"
0.75 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-75-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-8-mm
.0315
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
.80mm | .0315
0.8 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-8-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-85-mm
.0335
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
.85mm | .0335
0.85 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-85-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-9-mm
.0354
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
.90mm | .0354
0.9 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-9-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
0-95-mm
.0374
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
.95mm | .0374
0.95 mm
https://referencesource.org/drill-tap-decimal-equivalents/0-95-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-3
1.000
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1" | 1.000
1"
https://referencesource.org/drill-tap-decimal-equivalents/1-3/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-fine-bsf-1
22.75mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1" | 10 | 22.75mm
1"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-fine-bsf-1/
[ "paired_value" ]
British Standard Fine (BSF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1
22.00
tap_drill
https://www.newmantools.com/tapdrill.htm
1" | 8 | 22.00
1"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-1-2
45.5 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-1/2" | 11 | 1.882 | 45.5 mm
1-1/2"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-1-2/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-taper-bspt-1-1-2
44.5mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-1/2" | 11 | 1.882 | 45.5 mm | 44.5mm
1-1/2"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-taper-bspt-1-1-2/
[ "paired_value" ]
British Standard Pipe Taper (BSPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1-1-2
33.50mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-1/2" | 6 | 33.50mm
1-1/2"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1-1-2/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-coarse-unc-1-1-2-6
1-11/32
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/2-6 | 1-11/32
1-1/2-6
https://referencesource.org/drill-tap-decimal-equivalents/national-coarse-unc-1-1-2-6/
[ "paired_value" ]
National Coarse (UNC)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
straight-pipe-nps-1-1-2-11-1-2
1-3/4
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/2-11-1/2 | 1-3/4
1-1/2-11-1/2
https://referencesource.org/drill-tap-decimal-equivalents/straight-pipe-nps-1-1-2-11-1-2/
[ "paired_value" ]
Straight Pipe (NPS)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
taper-pipe-npt-1-1-2-11-1-2
1-47/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/2-11-1/2 | 1-47/64
1-1/2-11-1/2
https://referencesource.org/drill-tap-decimal-equivalents/taper-pipe-npt-1-1-2-11-1-2/
[ "paired_value" ]
Taper Pipe (NPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-fine-unf-1-1-2-12
1-27/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/2-12 | 1-27/64
1-1/2-12
https://referencesource.org/drill-tap-decimal-equivalents/national-fine-unf-1-1-2-12/
[ "paired_value" ]
National Fine (UNF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-1-4
39.50 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-1/4" | 11 | 1.650 | 39.50 mm
1-1/4"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-1-4/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-taper-bspt-1-1-4
38.5mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-1/4" | 11 | 1.650 | 39.50 mm | 38.5mm
1-1/4"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-taper-bspt-1-1-4/
[ "paired_value" ]
British Standard Pipe Taper (BSPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-coarse-unc-1-1-4-7
1-7/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/4-7 | 1-7/64
1-1/4-7
https://referencesource.org/drill-tap-decimal-equivalents/national-coarse-unc-1-1-4-7/
[ "paired_value" ]
National Coarse (UNC)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
straight-pipe-nps-1-1-4-11-1-2
1-33/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/4-11-1/2 | 1-33/64
1-1/4-11-1/2
https://referencesource.org/drill-tap-decimal-equivalents/straight-pipe-nps-1-1-4-11-1-2/
[ "paired_value" ]
Straight Pipe (NPS)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
taper-pipe-npt-1-1-4-11-1-2
1-1/2
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/4-11-1/2 | 1-1/2
1-1/4-11-1/2
https://referencesource.org/drill-tap-decimal-equivalents/taper-pipe-npt-1-1-4-11-1-2/
[ "paired_value" ]
Taper Pipe (NPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-fine-unf-1-1-4-12
1-11/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/4-12 | 1-11/64
1-1/4-12
https://referencesource.org/drill-tap-decimal-equivalents/national-fine-unf-1-1-4-12/
[ "paired_value" ]
National Fine (UNF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1-1-8
24.75mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-1/8" | 7 | 24.75mm
1-1/8"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1-1-8/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-coarse-unc-1-1-8-7
63/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/8-7 | 63/64
1-1/8-7
https://referencesource.org/drill-tap-decimal-equivalents/national-coarse-unc-1-1-8-7/
[ "paired_value" ]
National Coarse (UNC)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-fine-unf-1-1-8-12
1-3/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-1/8-12 | 1-3/64
1-1/8-12
https://referencesource.org/drill-tap-decimal-equivalents/national-fine-unf-1-1-8-12/
[ "paired_value" ]
National Fine (UNF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1-1-4
28.00mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-1.4" | 7 | 28.00mm
1-1.4"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1-1-4/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-2
19.00mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/2 | 14 | 0.825 | 19.00mm
1/2
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-2/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-taper-bspt-1-2
18.25mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/2 | 14 | 0.825 | 19.00mm | 18.25mm
1/2
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-taper-bspt-1-2/
[ "paired_value" ]
British Standard Pipe Taper (BSPT)
null
[ "record_type", "thread_or_drill_size" ]
1-2
.5000
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1/2" | .5000
1/2"
https://referencesource.org/drill-tap-decimal-equivalents/1-2/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-fine-bsf-1-2
11.10mm or 7/16"
tap_drill
https://www.newmantools.com/tapdrill.htm
1/2" | 16 | 11.10mm or 7/16"
1/2"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-fine-bsf-1-2/
[ "paired_value" ]
British Standard Fine (BSF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1-2
10.50mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/2" | 12 | 10.50mm
1/2"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1-2/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-coarse-unc-1-2-13
27/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/2-13 | 27/64
1/2-13
https://referencesource.org/drill-tap-decimal-equivalents/national-coarse-unc-1-2-13/
[ "paired_value" ]
National Coarse (UNC)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
straight-pipe-nps-1-2-14
47/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/2-14 | 47/64
1/2-14
https://referencesource.org/drill-tap-decimal-equivalents/straight-pipe-nps-1-2-14/
[ "paired_value" ]
Straight Pipe (NPS)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
taper-pipe-npt-1-2-14
23/32
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/2-14 | 23/32
1/2-14
https://referencesource.org/drill-tap-decimal-equivalents/taper-pipe-npt-1-2-14/
[ "paired_value" ]
Taper Pipe (NPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-fine-unf-1-2-20
29/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/2-20 | 29/64
1/2-20
https://referencesource.org/drill-tap-decimal-equivalents/national-fine-unf-1-2-20/
[ "paired_value" ]
National Fine (UNF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-3-4
51.00 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-3/4" | 11 | 2.116 | 51.00 mm
1-3/4"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-3-4/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1-3-4
39.00mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1-3/4" | 5 | 39.00mm
1-3/4"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1-3-4/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-coarse-unc-1-3-4-5
1-35/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-3/4-5 | 1-35/64
1-3/4-5
https://referencesource.org/drill-tap-decimal-equivalents/national-coarse-unc-1-3-4-5/
[ "paired_value" ]
National Coarse (UNC)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-fine-unf-1-3-4-12
1-43/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1-3/4-12 | 1-43/64
1-3/4-12
https://referencesource.org/drill-tap-decimal-equivalents/national-fine-unf-1-3-4-12/
[ "paired_value" ]
National Fine (UNF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-4
11.8 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/4 | 19 | 0.518 | 11.8 mm
1/4
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-4/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-taper-bspt-1-4
11.2mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/4 | 19 | 0.518 | 11.8 mm | 11.2mm
1/4
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-taper-bspt-1-4/
[ "paired_value" ]
British Standard Pipe Taper (BSPT)
null
[ "record_type", "thread_or_drill_size" ]
1-4
.2500
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1/4" | .2500
1/4"
https://referencesource.org/drill-tap-decimal-equivalents/1-4/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-fine-bsf-1-4
5.30mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/4" | 26 | 5.30mm
1/4"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-fine-bsf-1-4/
[ "paired_value" ]
British Standard Fine (BSF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1-4
5.10mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/4" | 20 | 5.10mm
1/4"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1-4/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
straight-pipe-nps-1-4-18
29/64
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/4-18 | 29/64
1/4-18
https://referencesource.org/drill-tap-decimal-equivalents/straight-pipe-nps-1-4-18/
[ "paired_value" ]
Straight Pipe (NPS)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
taper-pipe-npt-1-4-18
7/16
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/4-18 | 7/16
1/4-18
https://referencesource.org/drill-tap-decimal-equivalents/taper-pipe-npt-1-4-18/
[ "paired_value" ]
Taper Pipe (NPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-coarse-unc-1-4-20
#7
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/4-20 | #7
1/4-20
https://referencesource.org/drill-tap-decimal-equivalents/national-coarse-unc-1-4-20/
[ "paired_value" ]
National Coarse (UNC)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-fine-unf-1-4-28
#3
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/4-28 | #3
1/4-28
https://referencesource.org/drill-tap-decimal-equivalents/national-fine-unf-1-4-28/
[ "paired_value" ]
National Fine (UNF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-8
8.8 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/8 | 28 | 0.383 | 8.8 mm
1/8
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-8/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-taper-bspt-1-8
8.4mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/8 | 28 | 0.383 | 8.8 mm | 8.4mm
1/8
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-taper-bspt-1-8/
[ "paired_value" ]
British Standard Pipe Taper (BSPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-coarse-unc-1-8
7/8
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1"-8 | 7/8
1"-8
https://referencesource.org/drill-tap-decimal-equivalents/national-coarse-unc-1-8/
[ "paired_value" ]
National Coarse (UNC)
null
[ "record_type", "thread_or_drill_size" ]
1-8
.1250
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1/8" | .1250
1/8"
https://referencesource.org/drill-tap-decimal-equivalents/1-8/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-whitworth-bsw-1-8
2.55mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/8" | 40 | 2.55mm
1/8"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-whitworth-bsw-1-8/
[ "paired_value" ]
British Standard Whitworth (BSW)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
straight-pipe-nps-1-8-27
S
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/8-27 | S
1/8-27
https://referencesource.org/drill-tap-decimal-equivalents/straight-pipe-nps-1-8-27/
[ "paired_value" ]
Straight Pipe (NPS)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
taper-pipe-npt-1-8-27
R
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1/8-27 | R
1/8-27
https://referencesource.org/drill-tap-decimal-equivalents/taper-pipe-npt-1-8-27/
[ "paired_value" ]
Taper Pipe (NPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
straight-pipe-nps-1-11-1-2
1-3/16
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1"-11-1/2 | 1-3/16
1"-11-1/2
https://referencesource.org/drill-tap-decimal-equivalents/straight-pipe-nps-1-11-1-2/
[ "paired_value" ]
Straight Pipe (NPS)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
taper-pipe-npt-1-11-1-2
1-5/32
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1"-11-1/2 | 1-5/32
1"-11-1/2
https://referencesource.org/drill-tap-decimal-equivalents/taper-pipe-npt-1-11-1-2/
[ "paired_value" ]
Taper Pipe (NPT)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
national-fine-unf-1-14
15/16
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1"-14 | 15/16
1"-14
https://referencesource.org/drill-tap-decimal-equivalents/national-fine-unf-1-14/
[ "paired_value" ]
National Fine (UNF)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-16
6.6 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1/16 | 28 | 0.304 | 6.6 mm
1/16
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-16/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size" ]
1-16
.0625
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1/16" | .0625
1/16"
https://referencesource.org/drill-tap-decimal-equivalents/1-16/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-32
.0313
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1/32" | .0313
1/32"
https://referencesource.org/drill-tap-decimal-equivalents/1-32/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-64
.0156
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1/64" | .0156
1/64"
https://referencesource.org/drill-tap-decimal-equivalents/1-64/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-1-inch
30.75 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1 inch | 11 | 1.309 | 30.75 mm
1 inch
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-1-inch/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-taper-bspt-1-inch
30mm
tap_drill
https://www.newmantools.com/tapdrill.htm
1 inch | 11 | 1.309 | 30.75 mm | 30mm
1 inch
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-taper-bspt-1-inch/
[ "paired_value" ]
British Standard Pipe Taper (BSPT)
null
[ "record_type", "thread_or_drill_size" ]
1-mm
.0394
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.00mm | .0394
1 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
metric-coarse-1mm-x-25
.75mm
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1mm x .25 | .75mm
1mm x .25
https://referencesource.org/drill-tap-decimal-equivalents/metric-coarse-1mm-x-25/
[ "paired_value" ]
Metric Coarse
null
[ "record_type", "thread_or_drill_size" ]
1-05-mm
.0413
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.05mm | .0413
1.05 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-05-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-1-mm
.0433
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.10mm | .0433
1.1 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-1-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
metric-coarse-1-1-x-25
.85
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1.1 x .25 | .85
1.1 x .25
https://referencesource.org/drill-tap-decimal-equivalents/metric-coarse-1-1-x-25/
[ "paired_value" ]
Metric Coarse
null
[ "record_type", "thread_or_drill_size" ]
1-15-mm
.0453
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.15mm | .0453
1.15 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-15-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-2-mm
.0472
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.20mm | .0472
1.2 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-2-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
metric-coarse-1-2-x-25
.95
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1.2 x .25 | .95
1.2 x .25
https://referencesource.org/drill-tap-decimal-equivalents/metric-coarse-1-2-x-25/
[ "paired_value" ]
Metric Coarse
null
[ "record_type", "thread_or_drill_size" ]
1-25-mm
.0492
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.25mm | .0492
1.25 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-25-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-3-mm
.0512
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.30mm | .0512
1.3 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-3-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-35-mm
.0531
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.35mm | .0531
1.35 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-35-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-4-mm
.0551
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.40mm | .0551
1.4 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-4-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
metric-coarse-1-4-x-3
1.1
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1.4 x .3 | 1.1
1.4 x .3
https://referencesource.org/drill-tap-decimal-equivalents/metric-coarse-1-4-x-3/
[ "paired_value" ]
Metric Coarse
null
[ "record_type", "thread_or_drill_size" ]
1-45-mm
.0571
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.45mm | .0571
1.45 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-45-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-5-mm
.0591
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.50mm | .0591
1.5 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-5-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-55-mm
.0610
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.55mm | .0610
1.55 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-55-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-6-mm
.0630
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.60mm | .0630
1.6 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-6-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
metric-coarse-1-6-x-35
1.25
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1.6 x .35 | 1.25
1.6 x .35
https://referencesource.org/drill-tap-decimal-equivalents/metric-coarse-1-6-x-35/
[ "paired_value" ]
Metric Coarse
null
[ "record_type", "thread_or_drill_size" ]
1-65-mm
.0650
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.65mm | .0650
1.65 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-65-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-7-mm
.0669
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.70mm | .0669
1.7 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-7-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
metric-coarse-1-7-x-35
1.35
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1.7 x .35 | 1.35
1.7 x .35
https://referencesource.org/drill-tap-decimal-equivalents/metric-coarse-1-7-x-35/
[ "paired_value" ]
Metric Coarse
[ { "field": "paired_value", "versions": [ { "as_of": "2026-08-28T00:00:00", "source": "https://www.victornet.com/reference/Tap_Drill.html", "source_quote": "1.7 x .35 | 1.35", "value": "1.35" }, { "as_of": "2026-08-28T00:00:00", "source": "htt...
[ "record_type", "thread_or_drill_size" ]
1-75-mm
.0689
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.75mm | .0689
1.75 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-75-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-8-mm
.0709
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.80mm | .0709
1.8 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-8-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
metric-coarse-1-8-x-35
1.45
tap_drill
https://www.victornet.com/reference/Tap_Drill.html
1.8 x .35 | 1.45
1.8 x .35
https://referencesource.org/drill-tap-decimal-equivalents/metric-coarse-1-8-x-35/
[ "paired_value" ]
Metric Coarse
null
[ "record_type", "thread_or_drill_size" ]
1-85-mm
.0728
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.85mm | .0728
1.85 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-85-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-9-mm
.0748
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.90mm | .0748
1.9 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-9-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size" ]
1-95-mm
.0768
drill_decimal
https://www.victornet.com/reference/Sizes_Equivalents.html
1.95mm | .0768
1.95 mm
https://referencesource.org/drill-tap-decimal-equivalents/1-95-mm/
[ "paired_value" ]
null
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-parallel-bsp-2
57 mm
tap_drill
https://www.newmantools.com/tapdrill.htm
2" | 11 | 2.347 | 57 mm
2"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-parallel-bsp-2/
[ "paired_value" ]
British Standard Pipe Parallel (BSP)
null
[ "record_type", "thread_or_drill_size", "thread_series" ]
british-standard-pipe-taper-bspt-2
56mm
tap_drill
https://www.newmantools.com/tapdrill.htm
2" | 11 | 2.347 | 57 mm | 56mm
2"
https://referencesource.org/drill-tap-decimal-equivalents/british-standard-pipe-taper-bspt-2/
[ "paired_value" ]
British Standard Pipe Taper (BSPT)
null