Общий каталог Yamawa 2022 - 2023 - страница 590

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+RZ Spiral Fluted Taps (for blind hole) ① JIS N- RZ Roll Taps for Steels Spiral Fluted Taps (for through hole) ② Specification 〜 ■N +RZ/N-RZ are the forming taps suitable for ferrous materials such as carbon steels, alloy steels, and normal steels. Spiral Pointed Taps (for through hole) Oxide ③ Recommended Tapping Speeds depending on Materials ・Product symbol is distinguished depend on the size. Low carbon steels Medium carbon steels N＋RZ ～ M6 (coarse thread) 低炭素鋼 中炭素鋼 ～ M6 (fine threads), N−RZ 5 15〜 5 15〜 M7 ～ , all U, all STI Hand Taps ( m / min ) ( m / min ) ④ TYPE：1 Cemented Carbide Taps ⑤ Roll Taps TYPE：2 TYPE：3 ⑥ 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 ⑥-13