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≤ Ø 2.8 > Ø 2.8
PM HSSE DIN 371
UNF ANSI B1.1

N310-3 N320-3 N320-4 N320V-4

N

N310-3

N320-3

N320-4

N320V-4 V

2B 2B 2B 2B

Ø” d P d 1 l l l d a ID ID ID ID
2
3
2
1
1
UNF TPI mm mm mm mm mm mm  
0 80 1.52 40 7.0 2.5 2.1 2 1.20 101475
1 72 1.85 40 8.0 2.5 2.1 2 1.50 * 101476
2 64 2.18 45 9.0 2.8 2.1 2 1.80 101477
4 48 2.84 56 12.0 18 3.5 2.7 3 2.35 128847
5 44 3.17 56 12.0 18 3.5 2.7 3 2.60 142764
6 40 3.50 56 13.0 20 4.0 3.0 3 2.90 101519 142765
8 36 4.16 63 14.0 21 4.5 3.4 3 3.50 101520
10 32 4.82 70 15.0 25 6.0 4.9 3 4.05 101517 142766
12 28 5.48 80 17.0 30 6.0 4.9 3 4.60 101518
1/4 28 6.35 80 17.0 30 7.0 5.5 3 5.50 101453 101516 142767

3B
UNF(J)

Ø” d P d 1 l l l d a UNJF 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 4.15 135506
1/4 28 6.35 80 17.0 30 7.0 5.5 3 5.55 155323

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