
① Spiral Fluted Tap Series for blind hole 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 VUSP CH Spiral Fluted Taps (for blind hole) ① Z-PRO Coated Spiral Fluted Taps with Coolant Through Hole Spiral Fluted Taps (for through hole) ② ■Durability is improved by premium powder HSS and special coating. Specification ■Chip ejection efficiency is improved and cutting resistance is reduced by the unique cutting edge <2D Coating shape, achieving a good internal thread and long Spiral Pointed Taps (for through hole) tool life. ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels Stainless steels 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 ステンレス鋼 10 20 10 25 10 25 10 20 5 10 〜 〜 〜 〜 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ TYPE:1 TYPE:2 Coolant hole size Coolant hole size Cemented Carbide Taps ⑤ Roll Taps Segment:1D ⑥ L ℓ ℓn ℓs Ds K ℓk No. of Coolant hole size TYPE Size Class Code Chamfer (inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes (inch) For Unified Threads 5/16-18UNC GH5 5201103071 2.5P 3.543 0.472 1.378 1.831 0.318 0.238 0.375 3 0.039 1 3/8-16UNC Special Thread Taps Simple Inspection Tools GH5 5201103082 2.5P 3.937 0.512 1.535 2.028 0.381 0.286 0.437 3 0.059 1 ⑦ 1/2-13UNC GH5 5201103111 2.5P 4.331 0.591 - 2.205 0.367 0.275 0.437 3 0.079 2 Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ ANSI ①-21 ※ This product is different from JIS products in shape and dimensions, please be careful when using.