Обший каталог Yamawa 2016 - 2017 - страница 213

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Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk SP STI (for blind hole) Spiral Fluted Taps Spiral Fluted Taps for Helical Coil Wire Screw Thread Inserts Specification (for through hole) Spiral Fluted Taps ■On parts made from comparatively soft materials, helical E coil wire thread inserts are often used in order to strengthen internal screws and increase toughness. SP STI produces threads oversize enough to accommodate helical coil wire Recommended Tapping Speed depending on Materials thread inserts. Brass Brass castings Bronze Wrought aluminum Aluminum alloy castings (for through hole) Spiral Pointed Taps 5〜15 5〜15 5〜15 5〜15 5〜15 TYPE：1 (m/min) (m/min) (m/min) (m/min) (m/min) Magnesium alloy die castings inc alloy castings Hand Taps 5〜15 5〜15 (m/min) (m/min) For icon explanation, refer to P.50 TYPE：2 TYPE：3 Carbide Taps Cemented Roll Taps Segment：1C Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Simple Inspection Tools Pipe Taps (inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes For Helical Coil Wire Screw Thread Inserts, for Unified Threads GH1 SUUN2E1NEB STI No.2-56UNC 2P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 2 1 GH2 SUUN2E2NEB GH1 SUUN4H1NEB STI No.4-40UNC 2P 2.48 0.512 0.827 1.496 0.168 0.131 0.25 2 1 GH2 SUUN4H2NEB GH1 SUUN6J1NEB STI No.6-32UNC 2P 2.756 0.551 0.945 1.654 0.194 0.131 0.25 3 1 GH2 SUUN6J2NEB GH1 SUUN8J1NEB Thread Mills STI No.8-32UNC 2P 3.15 0.591 0.984 1.929 0.220 0.165 0.281 3 1 GH2 SUUN8J2NEB GH2 SUUNAM2NEB STI No.10-24UNC 2P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 3 1 GH3 SUUNAM3NEB GH2 SUUNAJ2NEB Dies STI No.10-32UNF 2P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 3 1 GH3 SUUNAJ3NEB GH2 SUU04N2NEB STI 1/4-20UNC 2P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 3 2 GH3 SUU04N3NEB GH2 SUU04K2NEB STI 1/4-28UNF 2P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 3 2 Center Drills GH3 SUU04K3NEB GH2 SUU05O2NEB STI 5/16-18UNC 2P 3.937 0.906 1.535 2.067 0.381 0.286 0.437 3 2 GH3 SUU05O3NEB GH2 SUU05M2NEB STI 5/16-24UNF 2P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 3 2 Centering Tools GH3 SUU05M3NEB GH2 SUU06P2NEB STI 3/8-16UNC 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 3 3 GH3 SUU06P3NEB ANSI SP-22 209