Общий каталог Yamawa 2022 - 2023 - страница 398

④ Selection chart of taps Machining, in low-speed Tapping conditions Hand tapping/Machining, in low-speed tapping area tapping area Product symbol IHT HT LS-HT HT LH LS-HT LH MS+TR LS-HT V MC-HT FC-HT Spiral Fluted Taps (for blind hole) ① Tap material HSS OX HSS HSS HSS HSS HSS HSS Coating HSS HSS NI Surface treatment For general use Long, for general For general Long, for For miniature Long, With oil For cast Name I series use general use For left-hand use For left-hand threads coated hole iron threads threads Spiral Fluted Taps (for through hole) ② Spiral Pointed Taps (for through hole) ③ Hand Taps ④ Bored Hole Shape For Metric Threads ④-50 ④-5 ④-71 ④-64 ④-82 ④-84 ④-133 ④-92 Cemented Carbide Taps For Unified Threads ④-21 ④-79 ④-69 ⑤ For Whitworth Threads ④-25 ④-80 ④-70 For Screw Threads used on Sewing Machines ④-27 Pipe Threads American Pipe Threads Roll Taps For Miniature Threads ④-132 ⑥ For Trapezoidal Threads ～ S25C Low carbon steels ◆ ◎ ◆ ○ ◆ ○ ◆ ○ ◆ ○ ◆ ○ ◆ ○ ◆ S25C ～ S45C Medium carbon steels ◆ ○ ◆ ◎ ◆ ◎ ◆ ◎ ◆ ◎ ○ ◆ ◎ ◆ ◆ S45C ～ High carbon steels ◆ ○ ◆ ○ ◆ ○ ◆ ○ ◎ ◆ ○ Special Thread Taps Simple Inspection Tools ◆ ⑦ ◆ SCM Alloy steels ○ ◆ 25 ～ 35HRC Heat treated steel 35 ～ 45HRC Heat treated steel 45 ～ 55HRC Heat treated steel Pipe Taps 55 ～ 63HRC Heat treated steel ⑧ SUS Stainless steels（SUS） SKD Tool steels SC Cast steels FC Cast irons ◆ ◎ Thread Mills Premium Thread Mills ⑨ FCD Ductile cast irons ◆ ○ Cu Copper Bs Brass ◆ ◎ BsC Brass castings Dies PB Bronze ⑩ AL Wrought aluminum AC, ADC Wrought aluminum Mg Magnesium alloy die castings ZDC Zinc alloy die castings Center Drills Centering Tools Titanium alloys ⑪ Nickel base alloys Thermosetting plastic Thermoplastic resin ④-1