Общий каталог Yamawa 2022 - 2023 - страница 602

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 JIS N+RS Spiral Fluted Taps (for blind hole) ① JIS N- RS Roll Taps for Non-Ferrous Materials Spiral Fluted Taps (for through hole) ② Specification 〜 ■N+RS/N-RS are the forming taps suitable for non-ferrous materials such as aluminum castings, aluminum diecasting and brass. Spiral Pointed Taps (for through hole) Nitride ③ Recommended Tapping Speeds depending on Materials ・Product symbol is distinguished depend on the size. Wrought aluminum Aluminum alloy castings Zinc alloy castings N＋RS ～ M6 (coarse thread) アルミ圧延材 アルミ合金鋳物 亜鉛合金鋳物 ～ M6 (fine threads), N−RS 5 15〜 5 15 〜 5 15 〜 M7 ～ , all U, all STI Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ TYPE：1 Cemented Carbide Taps ⑤ Roll Taps ⑥ TYPE：2 TYPE：3 Special Thread Taps Simple Inspection Tools ⑦ TYPE：４ TYPE：5 Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ TYPE：6 TYPE：7 Dies ⑩ Center Drills Centering Tools ⑪ JIS ⑥-25