Overall Thread Thread+Neck Shank Size of Length of length length length dia. square square L ℓ ℓn Ds K ℓk ZELX TI SP (for blind hole) Spiral Fluted Taps Spiral Fluted Taps for Titanium Alloys Specification (for through hole) Spiral Fluted Taps ■Spiral Fluted Tap suitable for titanium alloys which, including titanium as the main composition, are tough, light Nitride and heat resistant. Recommended Tapping Speed depending on Materials (for through hole) Spiral Pointed Taps Titanium alloys 5〜10 (m/min) For icon explanation, refer to P.50 TYPE:1 TYPE:2 Hand Taps Carbide Taps Cemented TYPE:3 TYPE:4 Roll Taps Segment:1D 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 Metric threads M2.5 × 0.45 D3 Y87700 3P 1.812 0.157 0.5 0.141 0.11 0.187 3 1 M3 × 0.5 D3 Y87701 3P 1.937 0.197 0.625 0.141 0.11 0.187 3 1 M3.5 × 0.6 D4 Y87702 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 Thread Mills M4 × 0.7 D4 Y87703 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 M5 × 0.8 D4 Y87704 3P 2.375 0.354 0.875 0.194 0.152 0.25 3 1 M6 × 1 D5 Y87705 3P 2.5 0.433 1 0.255 0.191 0.312 3 2 M7 × 1 D5 Y87706 3P 2.718 0.433 1.125 0.318 0.238 0.375 3 3 M8 × 1.25 D5 Y87708 3P 2.718 0.472 1.125 0.318 0.238 0.375 3 3 Dies M8 × 1 D5 Y87707 3P 2.718 0.472 1.125 0.318 0.238 0.375 3 3 M10 × 1.5 D6 Y87710 3P 2.937 0.512 1.25 0.381 0.286 0.437 3 3 M10 × 1.25 D5 Y87709 3P 2.937 0.472 1.25 0.381 0.286 0.437 3 3 M12 × 1.25 D5 Y87711 3P 3.375 0.551 - 0.367 0.275 0.437 3 4 Center Drills For Unified Threads No.2-56UNC GH2 Y87623 3P 1.75 0.157 0.437 0.141 0.11 0.187 3 1 GH2 Y87601 3P No.4-40UNC Y87612 1.875 0.236 0.562 0.141 0.11 0.187 3 1 Centering Tools GH4 Y87001 1.5P Y87605 3P No.6-32UNC GH3 2 0.276 0.687 0.141 0.11 0.187 3 1 Y87606 1.5P ANSI SP-26 213