For Cutting Tap Unified Coarse Thread (UNC)

SP

Basic Pitch (+) μm Dia.

0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420

P1

3B3B47SL
No.1-64 UNC
2B2B65
GH1 GH2
P1PO
2BX 3B
3B53 3B
No.2-56 UNC
2B
2B2B70
GH1 GH2Internal threads 3BInternal threads 2B
Internal threads 1BST
P1
3B3B55
No.3-48 UNC
2B2B75
GH1 GH2
ROLL
P1P2P3
3B2BX3B60
No.4-40 UNC
2B2B83
GH2 GH3 GH4
CARBIDE
P1P2
3B3B63
No.5-40 UNC
2B2B83
GH2 GH3LONG
P1P2P3
3B2BX3B68
No.6-32 UNC
2B2B93HAND
GH2 GH3 GH4 GH5TAPS
P1P2P3
3B2BX3B71
No.8-32 UNCEG (STI)
2B2B96
GH2 GH3 GH4 GH5
P1P2P3SPECIAL
3B2BXTHREADS, 80 3B
No.10-24 UNC
2B2B 108 GAUGES
GH2 GH3 GH4 GH5
P1P2P3THREAD
3B2BXMILLS 82 3B
No.12-24 UNC
2B2B 110
GH2 GH3 GH4 GH5
P1P2P3DIES
3B90 3B 2BX
1/4-20 UNC
2B2B 123
GH2 GH31B 184 GH5
CENTER
P2P3DRILLS
3B98 3B 2BX
5/16-18 UNC
2B2B 134
GH2 GH31B 200 GH5 Technical