Общий каталог Yamawa 2022 - 2023 - страница 827

Pipe Tap Series Overall length L Thread length ℓ Shank dia. Ds Size of square K Length of square ℓk ⑧ ANSI ANSI NPSF Spiral Fluted Taps (for blind hole) ① Hand Taps for American Dryseal Parallel Pipe Threads Spiral Fluted Taps (for through hole) ② Specification ■The NPSF is a hand tap for the American dry seal parallel pipe threads and is used for screw tapping of products whose main purpose is the Spiral Pointed Taps (for through hole) Oxide ③ tightness of threaded parts in connection with Recommended Tapping Speed depending on Materials pipe parts etc. Low carbon steels Medium carbon steels High carbon steels 低炭素鋼 中炭素鋼 高炭素鋼 5 10 〜 5 10〜 5 10 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ TYPE：１ TYPE：２ Cemented Carbide Taps ⑤ Segment：1G Roll Taps No. of ⑥ Size Class Code Chamfer L ℓ Ds K ℓk TYPE (inch) (inch) (inch) (inch) (inch) flutes For Dryseal American Pipe Threads 1/8-27 NPSF ANSI G Y83326 4P 2.125 0.75 0.437 0.328 0.375 4 1 1/8-27 NPSF ANSI G Y83326BR 4P 2.125 0.75 0.437 0.328 0.375 4 1 Special Thread Taps Simple Inspection Tools 1/8-27 NPSF ANSI G Y83327 4P 2.125 0.75 0.312 0.234 0.375 4 2 ⑦ 1/8-27 NPSF ANSI G Y83327BR 4P 2.125 0.75 0.312 0.234 0.375 4 2 1/4-18 NPSF ANSI G Y83328 4P 2.437 1.062 0.562 0.421 0.437 4 1 1/4-18 NPSF ANSI G Y83328BR 4P 2.437 1.062 0.562 0.421 0.437 4 1 3/8-18 NPSF ANSI G Y83329 4P 2.562 1.062 0.7 0.531 0.5 4 1 Pipe Taps ⑧ 1/2-14 NPSF ANSI G Y83330 4P 3.125 1.375 0.687 0.515 0.625 4 2 1/2-14 NPSF ANSI G Y83330BR 4P 3.125 1.375 0.687 0.515 0.625 4 2 3/4-14 NPSF ANSI G Y83331 4P 3.25 1.375 0.906 0.679 0.687 5 2 3/4-14 NPSF ANSI G Y83331BR 4P 3.25 1.375 0.906 0.679 0.687 5 2 Thread Mills Premium Thread Mills 1 -11 1/2 NPSF ANSI G Y83332 4P 3.75 1.75 1.125 0.843 0.812 5 2 ⑨ 1 -11 1/2 NPSF ANSI G Y83332BR 4P 3.75 1.75 1.125 0.843 0.812 5 2 Dies ⑩ Center Drills Centering Tools ⑪ ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ※ BR at the end of a product code indicates untreated products. ⑧-100