• For Unif ied Coarse Threads

Sizes

Basic Pitch Dia. (+)μm

3B 2BX 3B 2BX

2-56 UNC2B2-64 UNF2B
GH2Tap class (3B・2B)GH2Tap class (3B・2B)

3B 2BX Oversize Tap class (2BX) 3B 2BX Oversize Tap class (2BX)

3-48 UNC 2B Yamawa GH class for Internal threads 2B 3-56 UNF 2B Yamawa GH class for Internal threads 2B

GH2 GH2

Yamawa Oversize GH class for Internal threads 2B Yamawa Oversize GH class for Internal threads 2B

3B 2BX 3B 2BX

Internal threads 3B Internal threads 3B

4-40 UNC 2B 4-48 UNF 2B

GH2 Internal threads 2B GH2 Internal threads 2B

GH3 GH4 GH5

3B 2BX 3B 2BX

5-40 UNC 2B 5-44 UNF 2B

GH2 GH2

3B 2BX 3B 2BX

6-32 UNC 2B 6-40 UNF 2B

GH3 GH2

GH2GH4GH5GH6GH7GH7
3B2BX3B2BX

8-32 UNC 2B 8-36 UNF 2B

GH3 GH3

GH2 GH4 GH5 GH6 GH7 GH7

3B 2BX 3B 2BX

10-24 UNC 2B 10-32 UNF 2B

GH3 GH3

GH5 GH6 GH7 GH2 GH4 GH5 GH6 GH7

3B 2BX 3B 2BX

12-24 UNC 2B 12-28 UNF 2B

GH3 GH3

3B 2BX 3B 2BX

1/4-20 UNC 2B 1/4-28 UNF 2B

GH3 GH3

GH5GH6GH7GH4GH5GH6GH7
3B2BX3B2BX

5/16-18 UNC 2B 5/16-24 UNF 2B

GH3 GH3

GH5 GH7 GH4 GH5 GH7

3B 2BX 3B 2BX

3/8-16 UNC 2B 3/8-24 UNF 2B

GH3 GH3

GH5 GH7 GH4 GH5 GH7

3B 2BX 3B 2BX

7/16-14 UNC 2B 7/16-20 UNF 2B

GH3 GH3

GH5 GH5 GH6 GH7

3B 2BX 3B 2BX

1/2-13 UNC 2B 1/2-20 UNF 2B

GH3 GH3

GH5 GH7 GH5 GH6 GH7

3B 2BX 3B 2BX

9/16-12 UNC 2B 9/16-18 UNF 2B

GH3 GH3 GH5 GH7

3B 2BX 3B 2BX

5/8-11 UNC 2B 5/8-18 UNF 2B

GH3 GH3 GH5 GH5

3B 2BX 3B 2BX

3/4-10 UNC 2B 3/4-16 UNF 2B

GH3 GH3

GH5 GH5 GH7

3B 2BX 3B 2BX

7/8-9 UNC 2B 7/8-14 UNF 2B

GH4 GH4 GH6

3B 2BX 3B 2BX

1-8 UNC 2B 1-12 UNF 2B

GH4 GH4