Page 126 - DC

DIN 371
PM
UNC ANSI B1.1 DIN 376

H320-4 H420-4 H350-3 H450-3

H

H320-4

H420-4

UNC

H350-3

H450-3

2B 2B 2B 2B

Ø” d P d 1 l l l d a ID ID
1
3
2
2
1
UNC TPI mm mm mm mm mm mm  
2 56 2.18 45 8.0 2.8 2.1 2 1.75 101221
4 40 2.84 56 10.0 18 3.5 2.7 3 2.25 101223
6 32 3.50 56 13.0 20 4.0 3.0 3 2.75 101225
8 32 4.16 63 14.0 21 4.5 3.4 3 3.40 101226
10 24 4.82 70 15.0 25 6.0 4.9 3 3.80 101220
1/4 20 6.35 80 17.0 30 7.0 5.5 3 5.10 101219
5/16 18 7.93 90 20.0 35 8.0 6.2 3 6.50 101224
3/8 16 9.52 100 22.0 39 10.0 8.0 3 8.00 101222
1/2 13 12.70 110 24.0 9.0 7.0 4 10.80 101290

Ø” d P d 1 l l l d a ID ID
2
3
1
2
1
UNC TPI mm mm mm mm mm mm  
2 56 2.18 45 8.0 2.8 2.1 2 1.75 101258
4 40 2.84 56 5.5 18 3.5 2.7 3 2.25 101260
6 32 3.50 56 6.5 20 4.0 3.0 3 2.75 101262
8 32 4.16 63 7.5 21 4.5 3.4 3 3.40 101263
10 24 4.82 70 9.0 25 6.0 4.9 3 3.80 101257
1/4 20 6.35 80 11.0 30 7.0 5.5 3 5.10 101256
5/16 18 7.93 90 12.5 35 8.0 6.2 3 6.50 101261
3/8 16 9.52 100 14.0 39 10.0 8.0 3 8.00 101259
7/16 14 11.11 100 14.0 8.0 6.2 3 9.30 101330
1/2 13 12.70 110 14.0 9.0 7.0 4 10.80 101326
5/8 11 15.87 110 18.0 12.0 9.0 4 13.60 101329
3/4
10 19.05 125 21.0 14.0 11.0 4 16.60 101328

1 8 25.40 160 27.0 18.0 14.5 4 22.30 101327

121
THREADING
TECHNOLOGY