- BASIC DIMENSIONS & GAUGING PRACTICE : ANSI/ASME B1.2-1983
- Practice of gauges as per BS 1580-2007 & Gauging practice to B.S. 919 (1) -2007 on request IS 2334-2001
CLASS OF FIT :
- Screw Plug :2B ( Medium)
- Srew Rings :2A ( Medium)
| Size | |
|---|---|
| Nom. Dia | Pitch |
| NO. 0 (0.06") | 80 UNC |
| NO. 1 (0.073") | 64 UNF |
| 72 UNC | |
| NO. 2 (0.086") | 56 UNC |
| 64 UNF | |
| NO. 3 (0.099") | 48 UNC |
| 56 UNF | |
| NO.4 (0.06") | 40 UNC |
| 48 UNF | |
| NO.5 (0.086") | 40 UNC |
| 44 UNF | |
| NO.6 (0.138") | 32 UNC |
| 40 UNF | |
| NO.8 (0.164") | 32 UNC |
| 36 UNF | |
| NO.10 (0.190") | 24 UNC |
| 32 UNF | |
| NO.12 (0.216") | 24 UNC |
| 28 UNF | |
| 32 UNEF | |
| 1/4" (0.250") | 20.UNC |
| 28 UNF | |
| 32 UNEF | |
| 5/16" (0.3125") | 18 UNC |
| 24 UNF | |
| 32 UNEF | |
| 3/8" (0.375") | 16 UNC |
| 24 UNF | |
| 32 UNEF | |
| 7/16" (0.4375") | 14 UNC |
| 20 UNF | |
| 28 UNEF | |
| Size | |
|---|---|
| Nom. Dia | Pitch |
| 1/2" (0.500") | 13 UNC |
| 20 UNF | |
| 28 UNEF | |
| 9/16" (0.5625") | 12 UNC |
| 18 UNF | |
| 20 UNF | |
| 24 UNEF | |
| 5/8" (0.625") | 11 UNC |
| 18 UNF | |
| 20 UN | |
| 24 UNEF | |
| 11/16" (0.6875") | 12 UNC |
| 18 UNF | |
| 20 UN | |
| 24 UNEF | |
| 3/4" (0.750") | 10 UNC |
| 12 UN | |
| 16 UNF | |
| 20 UNEF | |
| 13/16" (0.8125") | 12 UN |
| 16 UNF | |
| 20 UNEF | |
| 7/8" (0.875") | 9 UNC |
| 12 UN | |
| 14 UNF | |
| 16 UN | |
| 20 UNEF | |
| 15/16" (0.9375") | 12 UN |
| 16 UN | |
| 20 UNEF | |
| Size | |
|---|---|
| Nom. Dia | Pitch |
| 1" | 8 UNC |
| 12 UNF | |
| 14 UNS | |
| 16 UN | |
| 20 UNEF | |
| 1-1/16" (1.0625") | 8 UN |
| 12 UN | |
| 16 UN | |
| 18 UNEF | |
| 1-1/8" (1.125") | 7 UNC |
| 12 UNF | |
| 16 UN | |
| 18 UNEF | |
| 1-3/16" (1.1875") | 7 UNC |
| 12 UNF | |
| 16 UN | |
| 18 UNEF | |
| 1-1/4" (1.250") | 7 UNC |
| 8 UN | |
| 12 UNF | |
| 16 UN | |
| 18 UNEF | |
| 20 UN | |
| 1-5/16" (1.3125") | 8 UNC |
| 12 UN | |
| 16 UN | |
| 18 UNEF | |
| 20 UN | |
| Size | |
|---|---|
| Nom. Dia | Pitch |
| 1-3/8" (1.375") | 6 UNC |
| 8 UN | |
| 12 UNF | |
| 16 UN | |
| 18 UNEF | |
| 20 UN | 1-7/16" (1.4375") | 6 UNC |
| 8 UN | |
| 12 UN | |
| 16 UN | |
| 18 UNEF | |
| 20 UN | 1-5/8" (1.625") | 8 UN |
| 12 UN | |
| 16 UN | |
| 18 UNEF | |
| 20 UN | 1-11/16" (1.6875") | 8 UN |
| 12 UN | |
| 16 UN | |
| 18 UNEF | |
| 20 UN | 1-3/4" (1.750") | 5 UN |
| 8 UN | |
| 12 UN | |
| 16 UNEF | |
| 20 UN | 1-13/16" (1.8125") | 8 UN |
| 12 UN | |
| 16 UNEF | |
| 20 UN | |



