Hand Tap Spiral Fluted Taps (for blind hole) IHT Hand Taps for General Purpose Spiral Fluted Taps (for through hole) Specification ■Suitable for low speed tapping of steels. For manual use and drilling machine use. Oxide Spiral Pointed Taps (for through hole) Recommended Tapping Speed depending on Materials ow carbon steels TYPE:1 〜5 For icon explanation, refer to P.50 Hand Taps Cemented Carbide Taps TYPE:e2 TYPE:3 Roll Taps Segment:1A Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Pipe Taps Simple Inspection Tools (inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes For Unified Threads IAUN6JXHEX5 5P No.6-32UNC - 2 0.374 0.669 1.201 0.141 0.11 0.187 3 1 IAUN6JXHEX2 2P IAUN8JXHEX5 5P No.8-32UNC - 2.125 0.374 0.866 1.339 0.168 0.131 0.25 3 1 IAUN8JXHEX2 2P IAUNAMXHEX5 5P No.10-24UNC - 2.375 0.512 0.866 1.339 0.194 0.152 0.25 3 1 IAUNAMXHEX2 2P IAU04NXHEX5 5P 1/4-20UNC - 2.5 0.591 1.024 1.22 0.255 0.191 0.312 3 2 Thread Mills IAU04NXHEX2 2P IAU05OXHEX5 5P 5/16-18UNC - 2.718 0.669 1.004 1.378 0.318 0.238 0.375 3 3 IAU05OXHEX2 2P IAU06PXHEX5 5P 3/8-16UNC - 2.937 0.748 1.059 1.496 0.381 0.286 0.437 3 3 Dies IAU06PXHEX2 2P Center Drills Centering Tools ANSI HT-1 252