
① Spiral Fluted Tap Series for blind hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ANSI ANSI ISP Spiral Fluted Taps (for blind hole) ① Spiral Fluted Taps for General Purpose Spiral Fluted Taps (for through hole) ② Specification ■Suitable for low speed tapping of steels. <2D For manual use and drilling machine use. Oxide Spiral Pointed Taps (for through hole) Recommended Tapping Speed TYPE:1 ③ depending on Materials Low carbon steels 低炭素鋼 〜 5 Hand Taps ( m / min ) ④ TYPE:2 TYPE:3 Cemented Carbide Taps ⑤ Roll Taps ⑥ Segment:1C L ℓ ℓn ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer (inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes For Unified Threads No.6-32UNC - UAUN6JXHEX 2.5P 2 0.374 0.669 1.201 0.141 0.11 0.187 3 1 Special Thread Taps Simple Inspection Tools ⑦ No.8-32UNC - UAUN8JXHEX 2.5P 2.125 0.374 0.866 1.339 0.168 0.131 0.25 3 1 No.10-24UNC - UAUNAMXHEX 2.5P 2.375 0.512 0.866 1.339 0.194 0.152 0.25 3 1 1/4-20UNC - UAU04NXHEX 2.5P 2.5 0.591 1.024 1.22 0.255 0.191 0.312 3 2 5/16-18UNC - UAU05OXHEX 2.5P 2.718 0.669 1.004 1.378 0.318 0.238 0.375 3 3 3/8-16UNC - UAU06PXHEX 2.5P 2.937 0.748 1.059 1.496 0.381 0.286 0.437 3 3 Pipe Taps ⑧ For Unified Threads(In blister package) No.6-32UNC - UAUN6JXHEXR 2.5P 2 0.374 0.669 1.201 0.141 0.11 0.187 3 1 No.8-32UNC - UAUN8JXHEXR 2.5P 2.125 0.374 0.866 1.339 0.168 0.131 0.25 3 1 No.10-24UNC - UAUNAMXHEXR 2.5P 2.375 0.512 0.866 1.339 0.194 0.152 0.25 3 1 Thread Mills Premium Thread Mills 1/4-20UNC - UAU04NXHEXR 2.5P 2.5 0.591 1.024 1.22 0.255 0.191 0.312 3 2 ⑨ 5/16-18UNC - UAU05OXHEXR 2.5P 2.718 0.669 1.004 1.378 0.318 0.238 0.375 3 3 3/8-16UNC - UAU06PXHEXR 2.5P 2.937 0.748 1.059 1.496 0.381 0.286 0.437 3 3 Blister Package Dies ⑩ Center Drills Centering Tools ⑪ ANSI ①-61 ※ This product is different from JIS products in shape and dimensions, please be careful when using.