Общий каталог Yamawa 2022 - 2023 - страница 809

Pipe Tap Series Overall length L Thread length ℓ Shank dia. Ds Size of square K Length of square ℓk ⑧ ANSI ANSI ZELX MOLD NPT Spiral Fluted Taps (for blind hole) ① Hand Taps for Hard-to-Machine Materials For American Taper Pipe Threads Spiral Fluted Taps (for through hole) ② Specification ■Suitable for hard steels of 35 〜 45HRC, such as forgings and thermal refined steels of high carbon steels and alloy steels, and die steels. Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speed depending on Materials Thermal refined steels Tool steels 調質鋼 工具鋼 〜 5 〜 5 Hand Taps ( m / min ) ( m / min ) ④ 35〜45HRC TYPE：１ TYPE：２ Cemented Carbide Taps ⑤ Projection Projection Segment：1H Roll Taps ⑥ L ℓ Projection Ds K ℓk No. of Size Class Code Chamfer TYPE (inch) (inch) (inch) (inch) (inch) (inch) flutes For American Pipe Threads 1/8-27 NPT ANSI G Y89641 3P 2.125 0.75 0.312 0.437 0.328 0.375 4 1 1/4-18 NPT ANSI G Y89643 3P 2.437 1.062 0.459 0.562 0.421 0.437 4 1 Special Thread Taps Simple Inspection Tools 3/8-18 NPT ANSI G Y89644 3P 2.562 1.062 0.454 0.7 0.531 0.5 4 1 ⑦ 1/2-14 NPT ANSI G Y89645 3P 3.125 1.375 0.579 0.687 0.515 0.625 4 2 3/4-14 NPT ANSI G Y89646 3P 3.25 1.375 0.565 0.906 0.679 0.687 5 2 Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ⑧-82