
⑥ Roll Tap Series Overall length L Thread length ℓ Thread + Neck length ℓn Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ANSI ANSI MHRZ Spiral Fluted Taps (for blind hole) ① Z-PRO Roll Taps for Medium Hardness Carbon Steels Spiral Fluted Taps (for through hole) ② Specification ■S uitable tapping in thermal refined steels Coating ( ~ 35HRC). Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speed depending on Materials Medium carbon steels High carbon steels Alloy steels Thermal refined steels 中炭素鋼 高炭素鋼 合金鋼 調質鋼 10 30 10 30 10 30 10 20 〜 〜 〜 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ 25〜35HRC TYPE:1 Cemented Carbide Taps ⑤ TYPE:2 TYPE:3 Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Segment:1J Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE (inch) (inch) (inch) (inch) (inch) (inch) (inch) Pipe Taps For Unified Threads ⑧ No.10-24UNC H6 5110103039 4P 2.756 0.354 0.945 1.654 0.194 0.152 0.25 5 1 No.10-24UNC H6 5111103039 2P 2.756 0.354 0.945 1.654 0.194 0.152 0.25 5 1 No.10-32UNF H6 5110103041 4P 2.756 0.354 0.945 1.654 0.194 0.152 0.25 5 1 No.10-32UNF H6 5111103041 2P 2.756 0.354 0.945 1.654 0.194 0.152 0.25 5 1 Thread Mills Premium Thread Mills 1/4-20UNC H7 5110103058 4P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 5 1 ⑨ 1/4-20UNC H7 5111103058 2P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 5 1 1/4-28UNF H6 5110103062 4P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 5 1 1/4-28UNF H6 5111103062 2P 3.15 0.433 1.181 1.713 0.255 0.191 0.312 5 1 5/16-18UNC H8 5110103071 4P 3.543 0.472 1.378 1.831 0.318 0.238 0.375 6 2 Dies ⑩ 5/16-18UNC H8 5111103071 2P 3.543 0.472 1.378 1.831 0.318 0.238 0.375 6 2 5/16-24UNF H7 5110103074 4P 3.543 0.472 1.378 1.831 0.318 0.238 0.375 6 2 5/16-24UNF H7 5111103074 2P 3.543 0.472 1.378 1.831 0.318 0.238 0.375 6 2 3/8-16UNC H8 5110103082 4P 3.937 0.512 1.535 2.028 0.381 0.286 0.437 8 2 Center Drills Centering Tools 3/8-16UNC H8 5111103082 2P 3.937 0.512 1.535 2.028 0.381 0.286 0.437 8 2 ⑪ 3/8-24UNF H7 5110103085 4P 3.937 0.512 1.535 2.028 0.381 0.286 0.437 8 2 3/8-24UNF H7 5111103085 2P 3.937 0.512 1.535 2.028 0.381 0.286 0.437 8 2 7/16-14UNC H9 5110103098 4P 3.937 0.512 - 2.008 0.323 0.242 0.406 8 3 ANSI ⑥-9 ※ This product is different from JIS products in shape and dimensions, please be careful when using.