GewindenormenIn den USA legte 1864 ein Komitee des Franklin-Institutes ein Gewindesystem vor, das 1868 nach seinem Urheber William
Sellers benannt wurde.
Der Flankenwinkel beträgt 60°.
Anzeige:
| Gewinde- kennung |
Durchmesser Inch |
Durchmesser außen mm |
Durchmesser Kernloch mm |
Gänge je Inch |
Steigung mm |
| 1/4" - 20 | 0,250 | 6,350 | 4,72 | 20 | 1,270 |
| 5/16" - 18 | 0,313 | 7,938 | 6,13 | 18 | 1,411 |
| 3/8" - 16 | 0,375 | 9,525 | 7,49 | 16 | 1,587 |
| 7/16" - 14 | 0,438 | 11,113 | 8,79 | 14 | 1,814 |
| 1/2" - 13 | 0,500 | 12,700 | 9,99 | 13 | 1,954 |
| 5/8" - 11 | 0,625 | 15,875 | 12,92 | 11 | 2,309 |
| 3/4" - 10 | 0,750 | 19,050 | 15,80 | 10 | 2,540 |
| 7/8" - 9 | 0,875 | 22,225 | 18,61 | 9 | 2,822 |
| 1" - 8 | 1,000 | 25,400 | 21,33 | 8 | 3,175 |
| 1 1/8" - 7 | 1,125 | 28,575 | 23,93 | 7 | 3,628 |
| 1 1/4" - 7 | 1,250 | 31,750 | 27,10 | 7 | 3,628 |
| 1 3/8" - 6 | 1,375 | 34,925 | 29,50 | 6 | 4,233 |
| 1 1/2" - 6 | 1,500 | 38,100 | 32,68 | 6 | 4,233 |
| 1 5/8" - 5 1/2 | 1,625 | 41,275 | 34,77 | 5,5 | 4,618 |
| 1 3/4" - 5 | 1,750 | 44,450 | 37,94 | 5 | 5,080 |
| 1 7/8" - 5 | 1,875 | 47,625 | 40,40 | 5 | 5,080 |
| 2" - 4 1/2 | 2,000 | 50,800 | 43,57 | 4,5 | 5,644 |
| 2 1/4" - 4 1/2 | 2,250 | 57,150 | 49,02 | 4,5 | 5,644 |
| 2 1/2" - 4 | 2,500 | 63,500 | 55,37 | 4 | 6,350 |
| 2 3/4" - 4 | 2,750 | 69,850 | 60,55 | 4 | 6,350 |
| 3" - 3 1/2 | 3,000 | 76,200 | 66,90 | 3,5 | 7,257 |
| 3 1/4" - 3 1/2 | 3,250 | 82,550 | 72,57 | 3,5 | 7,257 |
| 3 1/2" - 3 1/4 | 3,500 | 88,900 | 78,92 | 3,25 | 7,815 |
| 3 3/4" - 3 | 3,750 | 95,250 | 84,40 | 3 | 8,467 |
| 4" - 3 | 4,000 | 101,600 | 90,75 | 3 | 8,467 |
| 5" - 2 1/2 | 5,500 | 127,000 | 115,20 | 2,5 | 10,160 |
| 6" - 2 1/4 | 6,000 | 152,400 | 139,40 | 2,25 | 11,289 |
Anzeige: