Общий каталог Yamawa 2022 - 2023 - страница 728

⑧ Selection chart of taps Tapping conditions Product symbol Rc PT PT-X S-PT SP-PT SP-S-PT SP-PT-X LS-PT LS-S-PT Spiral Fluted Taps (for blind hole) ① Tap material HSS HSS HSS HSS HSS HSS HSS HSS HSS Surface treatment For taper pipe threads; Name For taper pipe threads; For general use Long, for general use Spiral Fluted Taps (for through hole) ② Spiral Pointed Taps (for through hole) ③ Hand Taps ④ Bored Hole Shape For Metric Threads Cemented Carbide Taps For Unified Threads ⑤ For Whitworth Threads For Screw Threads used on Sewing Machines Pipe Threads ⑧-13 ⑧-14 ⑧-16 ⑧-17 ⑧-21 ⑧-22 ⑧-23 ⑧-19 ⑧-20 American Pipe Threads Roll Taps For Miniature Threads 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 ⑧-1