Gewindetabellen
Außen-Ø, Steigung/TPI, Kernloch (75 %) und Kerndurchmesser je Norm.
MetrischMetrisch feinUNCUNFUNEFBSW (Whitworth)BSF (Whitworth fein)NPT (kegelig)BSPP / GACMETrapez (DIN 103)STI (Helicoil)
| Gewinde | Ø [Zoll] | TPI | Ø [mm] | Steigung [mm] | Kernloch 75 % [mm] | Kern-Ø [mm] |
|---|---|---|---|---|---|---|
| 3/16 BSF | 0.1875″ | 32 | 4.762 | 0.7937 | 4.0 | 3.746 |
| 7/32 BSF | 0.21875″ | 28 | 5.556 | 0.9071 | 4.68 | 4.395 |
| 1/4 BSF | 0.25″ | 26 | 6.35 | 0.9769 | 5.41 | 5.099 |
| 9/32 BSF | 0.28125″ | 26 | 7.144 | 0.9769 | 6.21 | 5.893 |
| 5/16 BSF | 0.3125″ | 22 | 7.938 | 1.1545 | 6.83 | 6.459 |
| 3/8 BSF | 0.375″ | 20 | 9.525 | 1.27 | 8.31 | 7.899 |
| 7/16 BSF | 0.4375″ | 18 | 11.112 | 1.4111 | 9.76 | 9.305 |
| 1/2 BSF | 0.5″ | 16 | 12.7 | 1.5875 | 11.18 | 10.667 |
| 9/16 BSF | 0.5625″ | 16 | 14.287 | 1.5875 | 12.76 | 12.255 |
| 5/8 BSF | 0.625″ | 14 | 15.875 | 1.8143 | 14.13 | 13.552 |
| 3/4 BSF | 0.75″ | 12 | 19.05 | 2.1167 | 17.02 | 16.339 |
| 7/8 BSF | 0.875″ | 11 | 22.225 | 2.3091 | 20.01 | 19.268 |
| 1 BSF | 1.0″ | 10 | 25.4 | 2.54 | 22.96 | 22.147 |
Kernloch für Schneidbohrer bei 75 % Flankenanteil. UN/metrisch: 60°; Whitworth: 55°; NPT: kegelig 1:16 (Bohrungs-Ø aus ANSI B1.20.1); ACME: 29°, Trapez DIN 103: 30° Bewegungsgewinde (Kernloch = Kern-Ø = D − P, Idealmaß). Alle Werte Richtwerte.