Page 298 - DC

KERNLOCHBOHRUNGEN - CORE HOLES

UNF ANSI B1.1, 2B UNEF ANSI B1.1, 2B

Ø’’ P P Kern-Ø Mutter - Core Ø nut Ø’’ P P Kern-Ø Mutter - Core Ø nut
   
d TPI mm Ø mini Ø maxi Ø guide line d TPI mm Ø mini Ø maxi Ø guide line
1 1
0 80 0.318 1.182 1.305 1.20 12 32 0.794 4.623 4.826 4.70
1 72 0.353 1.474 1.612 1.50 1/4’’ 32 0.794 5.487 5.689 5.60
2 64 0.397 1.756 1.912 1.80 5/16’’ 32 0.794 7.087 7.264 7.20
3 56 0.454 2.025 2.197 2.10 3/8’’ 32 0.794 8.662 8.864 8.75
4 48 0.529 2.271 2.458 2.35 7/16’’ 28 0.907 10.135 10.337 10.25
5 44 0.577 2.551 2.740 2.60 1/2’’ 28 0.907 11.710 11.938 11.85
6 40 0.635 2.820 3.022 2.90 9/16’’ 24 1.058 13.132 13.385 13.20
8 36 0.706 3.404 3.606 3.50 5/8’’ 24 1.058 14.732 14.986 14.80
10 32 0.794 3.963 4.165 4.05 11/16’’ 24 1.058 16.307 16.560 16.40
12 28 0.907 4.496 4.724 4.60 3/4’’ 20 1.270 17.679 17.957 17.80
1/4’’ 28 0.907 5.360 5.588 5.50 13/16’’ 20 1.270 19.254 19.558 19.40
5/16’’ 24 1.058 6.782 7.035 6.90 7/8’’ 20 1.270 20.854 21.132 21.00
3/8’’ 24 1.058 8.382 8.636 8.50 1’’ 20 1.270 24.029 24.307 24.10
7/16’’ 20 1.270 9.729 10.033 9.80
1/2’’ 20 1.270 11.329 11.607 11.40
9/16’’ 18 1.411 12.751 13.081 12.90 UN ANSI B1.1, 2B
5/8’’ 18 1.411 14.351 14.681 14.50
3/4’’ 16 1.588 17.323 17.678 17.50 Ø’’ P P Kern-Ø Mutter - Core Ø nut
7/8’’ 14 1.814 20.270 20.675 20.40  
1’’ 12 2.117 23.114 23.571 23.30 d TPI mm Ø mini Ø maxi Ø guide line
1 1/8’’ 12 2.117 26.289 26.746 26.50 1
1 1/4’’ 12 2.117 29.464 29.921 29.70 5/16’’ 20 1.270 6.554 6.858 6.70
1 3/8’’ 12 2.117 32.639 33.096 32.80 3/8’’ 20 1.270 8.154 8.432 8.30
1 1/2’’ 12 2.117 35.814 36.271 36.00 9/16’’ 20 1.270 12.904 13.208 13.00
5/8’’ 20 1.270 14.504 14.782 14.60
1 1/8’’ 8 3.175 25.146 25.781 25.50
UNJF ISO 3161:1999, 3B 1 1/4’’ 8 3.175 28.321 28.956 28.70
1 3/8’’ 8 3.175 31.496 32.131 31.80
Ø’’ P P Kern-Ø Mutter - Core Ø nut 1 1/2’’ 8 3.175 34.671 35.306 35.00
1 5/8’’ 8 3.175 37.846 38.481 38.20
 
1 3/4’’ 8 3.175 41.021 41.656 41.40
d TPI mm Ø mini Ø maxi Ø guide line 1 7/8’’ 8 3.175 44.196 44.831 44.50
1
0 80 0.318 1.217 1.298 1.25 2’’ 8 3.175 47.371 48.006 47.70
1 72 0.353 1.511 1.603 1.55 2 1/4’’ 8 3.175 53.721 54.356 54.10
2 64 0.397 1.798 1.902 1.85 2 1/2’’ 8 3.175 60.071 60.706 60.40
3 56 0.454 2.073 2.189 2.15
4 48 0.529 2.329 2.466 2.35
5 44 0.577 2.614 2.764 2.70
6 40 0.635 2.888 3.053 2.95
8 36 0.706 3.480 3.663 3.60
10 32 0.794 4.054 4.255 4.10
12 28 0.907 4.602 4.816 4.70
1/4’’ 28 0.907 5.466 5.662 5.55
5/16’’ 24 1.058 6.906 7.109 7.00
3/8’’ 24 1.058 8.494 8.679 8.60
7/16’’ 20 1.270 9.876 10.084 10.00
1/2’’ 20 1.270 11.463 11.661 11.55
9/16’’ 18 1.411 12.913 13.122 13.05
5/8’’ 18 1.411 14.501 14.702 14.60
3/4’’ 16 1.588 17.506 17.722 17.60
7/8’’ 14 1.814 20.460 20.706 20.50
1’’ 12 2.117 23.340 23.594 23.40

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THREADING 293
TECHNOLOGY