Обший каталог Yamawa 2016 - 2017 - страница 253

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ZELX NI PO STI (for blind hole) Spiral Fluted Taps Spiral Pointed Taps for Nickel Base Alloys for Helical Coil Wire Screw Thread Inserts Specification (for through hole) Spiral Fluted Taps ■ZELX NI PO STI is the spiral point tap for nickel base alloys which, with nickel as main composition, have Nitride Oxide much higher corrosion resistance and much higher heat resistance than steels, and produces threads oversize Recommended Tapping Speed depending on Materials enough to accommodate helical coil wire thread inserts. ickel base alloys (for through hole) Spiral Pointed Taps 5〜10 (m/min) For icon explanation, refer to P.50 TYPE：1 TYPE：2 Hand Taps Carbide Taps Cemented TYPE：3e TYPE：4 Roll Taps Segment：1E Simple Inspection Tools Pipe Taps Size Class Code Chamfer L ℓ ℓn Ds K ℓk No. of Type (inch) (inch) (inch) (inch) (inch) (inch) flutes For Helical Coil Wire Screw Thread Inserts, for Unified Threads STI No.2-56UNC GH2 Y87200 4.5P 1.875 0.335 0.562 0.141 0.11 0.187 2 1 GH1 Y87203 STI No.4-40UNC 4.5P 2 0.413 0.687 0.141 0.11 0.187 3 1 GH2 Y87204 Thread Mills GH2 Y87208 STI No.6-32UNC 4.5P 2.375 0.531 0.875 0.194 0.152 0.25 3 1 GH3 Y87224 STI No.6-40UNF GH2 Y87209 4.5P 2.125 0.453 0.75 0.168 0.131 0.25 3 1 GH2 Y87210 STI No.8-32UNC 4.5P 2.375 0.571 0.937 0.22 0.165 0.281 3 1 Dies GH3 Y87226 GH2 Y87212 STI No.10-24UNC 4.5P 2.5 0.591 1 0.255 0.191 0.312 3 2 GH3 Y87228 GH2 Y87213 STI No.10-32UNF 4.5P 2.5 0.591 1 0.255 0.191 0.312 3 2 GH3 Y87229 Center Drills GH2 Y87248 STI 1/4-20UNC 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 GH3 Y87258 GH2 Y87249 STI 1/4-28UNF 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 GH3 Y87259 Centering Tools STI 5/16-18UNC GH3 Y87260 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 GH2 Y87251 STI 5/16-24UNF 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 GH3 Y87261 ANSI PO-22 249