Unified Thread Gauges

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Unified Thread Gauges

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)



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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