Spiral Pointed Tap Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk Spiral Fluted Taps (for blind hole) IPO Spiral Pointed 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 〜5 TYPE:1 For icon explanation, refer to P.50 Hand Taps Cemented Carbide Taps TYPE:e2 TYPE:e3 Roll Taps Segment:1E Pipe Taps Simple Inspection Tools Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type (inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes For Unified Threads No.6-32UNC - VAUN6JXHEX 4.5P 2 0.374 0.669 1.201 0.141 0.11 0.187 2 1 No.8-32UNC - VAUN8JXHEX 4.5P 2.125 0.374 0.866 1.339 0.168 0.131 0.25 2 1 No.10-24UNC - VAUNAMXHEX 4.5P 2.375 0.512 0.866 1.339 0.194 0.152 0.25 2 1 1/4-20UNC - VAU04NXHEX 4.5P 2.5 0.591 1.024 1.22 0.255 0.191 0.312 2 2 5/16-18UNC - VAU05OXHEX 4.5P 2.718 0.669 1.004 1.378 0.318 0.238 0.375 3 3 3/8-16UNC - VAU06PXHEX 4.5P 2.937 0.748 1.059 1.496 0.381 0.286 0.437 3 3 For Unified Threads(In blister package) Thread Mills No.6-32UNC - VAUN6JXHEXR 4.5P 2 0.374 0.669 1.201 0.141 0.11 0.187 2 1 No.8-32UNC - VAUN8JXHEXR 4.5P 2.125 0.374 0.866 1.339 0.168 0.131 0.25 2 1 No.10-24UNC - VAUNAMXHEXR 4.5P 2.375 0.512 0.866 1.339 0.194 0.152 0.25 2 1 1/4-20UNC - VAU04NXHEXR 4.5P 2.5 0.591 1.024 1.22 0.255 0.191 0.312 2 2 Dies 5/16-18UNC - VAU05OXHEXR 4.5P 2.718 0.669 1.004 1.378 0.318 0.238 0.375 3 3 3/8-16UNC - VAU06PXHEXR 4.5P 2.937 0.748 1.059 1.496 0.381 0.286 0.437 3 3 Blister Package Center Drills Centering Tools ANSI PO-1 228