Page 145 - DC

DIN 371
PM
UNF ANSI B1.1 DIN 374

H320-4 H420-4

H

H320-4

H420-4

2B 2B

Ø” d P d 1 l l l d a ID ID
2
1
2
3
1
UNF TPI mm mm mm mm mm mm  
10 32 4.82 70 15.0 25 6.0 4.9 3 4.05 101228
1/4 28 6.35 80 17.0 30 7.0 5.5 3 5.50 101227
5/16 24 7.93 90 20.0 35 8.0 6.2 3 6.90 105139
3/8 24 9.52 100 22.0 39 10.0 8.0 3 8.50 101229
1/2 20 12.70 100 24.0 9.0 7.0 4 11.40 101291

140