Общий каталог Yamawa 2022 - 2023 - страница 164

① Spiral Fluted Tap Series for blind hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk JIS HC+SP Spiral Fluted Taps (for blind hole) ① JIS HC- SP Spiral Fluted Taps for High Carbon Steels Spiral Fluted Taps (for through hole) ② Specification ・Product Name and Size. HC＋SP 〜 M6 HC−SP M8 〜 , all W Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Medium carbon steels High carbon steels 中炭素鋼 高炭素鋼 5 10〜 5 10 〜 Hand Taps ( m / min ) ( m / min ) ④ Product Features ●The HC+SP/HC-SP is a spiral flute tap for high carbon steel such as S55C and is suitable for tapping of medium and high hardness materials up to 30 HRC. Cemented Carbide Taps ⑤ Tapping conditions The HC+SP/HC-SP is best suited for tapping of high carbon steel, alloy tool steel and refined steel. Workpiece Material Cutting Speed（m/min） S45C 〜 10 〜 20 High Carbon Steel Roll Taps ⑥ SKC、SKD 5 〜 10 Alloy Tool Steel Thermal Refining Steel 5 〜 10 25 〜 35HRC Special Thread Taps Simple Inspection Tools ⑦ Product chart (tensile strength) HC + SP / HC - SP application range (tensile strength) Pipe Taps ⑧ Reference EH-HT EH-PO E-SP Thread Mills Premium Thread Mills ⑨ HC+SP/HC-SP SP Dies ⑩ Unit：MPa ＊ 500 600 700 800 900 1000 ＊1MPa=1N/mm ≒1Kgf/mm ÷9.8 2 2 Center Drills Centering Tools ⑪ JIS ①-129