For Cutting Tap Unified Coarse Thread (UNC)

SP

Basic Pitch (+) μm Dia.

020406080100120140160180200220240260280300320340360380400420
P2P3P4
SL3B3B 108 2BX
3/8-16 UNC
2B2B 144
GH3 GH4 GH5 GH61B 215
POP2P3P4
3B3B 116 2BX
7/16-14 UNC
2B2B 154
GH3 GH4 GH5 GH61B 233
ST
P2P3P4
3B3B 121 2BX
1/2-13 UNC
2B2B 165
GH3 GH4 GH5 GH61B 246
ROLL
P2P3P4
3B3B 128 2BX
9/16-12 UNC
2B2B 172
GH3 GH41B 258 GH6
CARBIDE
P2P3P4
3B3B 136 2BX
5/8-11 UNC
2B2B 182
LONGGH3 GH4 GH5 GH6 GH71B 271
P2P3P4
3B3B 144 2BX
3/4-10 UNC
HAND,2B2B 195
TAPSGH3 GH4 GH5 GH6 GH71B 292
P2P3P4
3B3B 154 2BX
EG (STI)7/8-9 UNC
2B2B 207
GH3 GH4 GH5 GH6 GH71B 311
SPECIALP2
THREADS,P3P5
GAUGES1-8 UNC3B3B 167 2BX
2B2B 223
GH3 GH4 GH51B 334 GH7 GH8
THREAD
MILLSP3P5
P4
1 1/8-7 UNC3B3B 180 2BX
2B2B 238
DIESGH4GH61B 358 GH8
P3P5
P4
CENTER1 1/4-7 UNC3B3B 182 2BX
DRILLS2B2B 243
GH4GH61B 365 GH8