( L. J. Larssen: "Jernets og Metall-legeringenes teknologi", H. Joh. Dyrings Forlag, Porsgrunn 1940.)
Skruens ytre diameter | Antall gjenger per inch | Gjenge stigning [mm] | Kjerne diameter (d1) [mm] | Diameter av fritt bor | Diameter av passende gjengebor | |||
[inch] | [mm] | for stål | for støpejern | for bronse | ||||
1 1.2 1.4 1.7 2 2.3 |
0.25 0.25 0.3 0.35 0.4 0.4 |
0.650 0.850 0.980 1.210 1.440 1.740 |
1.3 mm 1.5 mm 1.8 mm 2.1 mm 2.4 mm 2.8 mm |
0.7 mm 0.9 mm 1.2 mm 1.4 mm 1.6 mm 2.0 mm |
0.7 mm 0.9 mm 1.1 mm 1.3 mm 1.5 mm 1.8 mm |
0.7 mm 0.9 mm 1.1 mm 1.3 mm 1.5 mm 1.8 mm |
||
1/8" |
2.6 3 3.175 3.5 4 4.5 |
40 |
0.45 0.5 0.6 0.7 0.75 |
1.970 2.300 2.362 2.661 3.0197 3.451 |
3.0 mm 3.5 mm 3.6 mm 4.0 mm 4.5 mm 5.0 mm |
2.2 mm 2.5 mm nr. 35 3.0 mm 3.3 mm 3.8 mm |
2.1 mm 2.4 mm 2.6 mm 2.8 mm 3.2 mm 3.7 mm |
2.1 mm 2.4 mm 2.6 mm 2.8 mm 3.2 mm 3.7 mm |
3/16" 1/4" |
4.763 5 5.5 6 6.350 7 |
24 20 |
0.8 0.9 1. 1. |
3.407 3.881 4.241 4.601 4.724 5.601 |
13/64" 5.6 mm 6.2 mm 6.8 mm 9/32" 7.8 mm |
nr. 26 4.2 mm 4.6 mm 4.9 mm nr. 10 5.9 mm |
nr. 26 4.2 mm 4.5 mm 4.8 mm nr. 10 5.8 mm |
3.7 mm 4.1 mm 4.5 mm 4.8 mm 3/16" 5.8 mm |
5/16" 3/8" |
7.938 8 9 9.525 10 12 |
18 16 |
1.25 1.25 1.5 1.75 |
6.131 6.251 7.251 7.492 7.902 9.552 |
11/32" 9 mm 10 mm 13/32" 11 mm 13 mm |
1/4" 6.5 mm 7.5 mm 5/16" 8.3 mm 10 mm |
6.3 mm 6.5 mm 7.5 mm 7.8 mm nr. P 9.9 mm |
6.3 mm 6.5 mm 7.5 mm 7.8 mm nr. P 9.9 mm |
1/2" 5/8" 3/4" 7/8" |
12.7 15.876 16 19.051 20 22.226 |
12 11 10 9 |
2 2.5 |
9.989 12.918 13.202 15.798 16.503 18.611 |
17/32" 21/32" 17 mm 25/32" 7/8" 24 mm |
10.35 mm 17/32" 13.6 mm 41/64" 17 mm 3/4" |
10.2 mm 13.25 mm 13.5 mm 41/64" 17 mm 3/4" |
10.2 mm 13.25 mm 13.5 mm 5/8" 17 mm 19 mm |
1" 1 1/8" 1 1/4" 1 3/8" |
24 25.401 28.576 30 31.751 34.926 |
8 7 7 6 |
3 3.5 |
19.803 21.335 23.929 25.104 27.104 29.505 |
26 mm 28 mm 30 mm 34 mm 35 mm 38 mm |
20.4 mm 7/8" 25 mm 25.8 mm 1 7/64" 1 13/64" |
20.4 mm 7/8" 63/64" 25.75 mm 1 3/32" 1 3/16" |
20.4 mm 21.8 mm 15/16" 25.75 mm 1 1/16" 30 mm |
1 1/2" 1 5/8" 1 3/4" |
36 38.101 41.277 42 44.452 48 |
6 5 5 |
4 4.5 5 |
30.404 32.681 34.771 35.705 37.946 41.005 |
n.a. | n.a. | n.a. | n.a. |
2" 2 1/4" 2 1/2" 2 3/4" |
50.802 56 57.152 63.502 64 69.853 |
4 1/2 4 4 3 1/2 |
5.5 6 |
43.573 48.306 49.020 55.370 55.606 60.558 |
n.a. | n.a. | n.a. | n.a. |
3" 3 1/4" 3 1/2" |
72 76.203 80 82.553 88.903 89 |
3 1/2 3 1/4 3 1/4 |
6 6 6 |
63.606 66.909 71.606 72.544 78.894 80.606 |
n.a. | n.a. | n.a. | n.a. |
3 3/4" 4" 4 1/4" 4 1/2" |
95.354 99 101.604 107.954 109 114.304 |
3 3 2 7/8 2 7/8 |
6 6 |
84.410 90.606 90.761 96.639 100.606 102.990 |
n.a. | n.a. | n.a. | n.a. |
4 3/4" 5" 5 1/4" |
119 120.654 127.005 129 133.355 139 |
2 3/4 2 3/4 2 5/8 |
6 6 6 |
110.606 108.825 115.176 120.606 120.963 130.606 |
n.a. | n.a. | n.a. | n.a. |
5 1/2" 5 3/4" 6" |
139.705 146.055 149 152.406 |
2 5/8 2 1/2 2 1/2 |
6 |
127.313 133.043 140.606 139.394 |
n.a. | n.a. | n.a. | n.a. |
Bruk fortrinnsvis de alternativer som er angitt med fet skrift.
_____
2005-10-05, psa