Standard: ISO |
||
Nominal Thread (D) |
Shoulder Diameter (D1) |
Thread Length (L1) |
M5 |
6 mm |
9.75 mm |
M6 |
8 mm |
11.25 mm |
M8 |
10 mm |
13.25 mm |
M10 |
12 mm |
16.40 mm |
M12 |
16 mm |
18.40 mm |
M16 |
20 mm |
22.40 mm |
M20 |
24 mm |
27.40 mm |
Standard: UNC |
||
Nominal Thread (D) |
Shoulder Diameter (D1) |
Thread Length (L1) |
1/4’’ |
5/16’’ |
7/16’’ |
5/16’’ |
3/8’’ |
1/2’’ |
3/8’’ |
1/2’’ |
5/8’’ |
1/2’’ |
5/8’’ |
3/4’’ |
5/8’’ |
3/4’’ |
7/8’’ |
3/4’’ |
7/8’’ |
1’’ |
7/8’’ |
1-1/8’’ |
1-1/8’’ |
1-1/8’’ |
1-1/4’’ |
1-1/2’’ |
1-1/4’’ |
1-1/2’’ |
1-3/4’’ |
1-1/2’’ |
2’’ |
2’’ |
Standard: BSW |
||
Nominal Thread (D) |
Shoulder Diameter (D1) |
Thread Length (L1) |
3/16’’ |
1/4’’ |
3/8’’ |
1/4’’ |
5/16’’ |
7/16’’ |
5/16’’ |
3/8’’ |
1/2’’ |
3/8’’ |
1/2’’ |
5/8’’ |
1/2’’ |
5/8’’ |
3/4’’ |
5/8’’ |
3/4’’ |
7/8’’ |
3/4’’ |
7/8’’ |
1’’ |
7/8’’ |
1-1/8’’ |
1-1/8’’ |
1-1/8’’ |
1-1/4’’ |
1-1/2’’ |