Общий каталог Yamawa 2022 - 2023 - страница 730

⑧ Selection chart of taps Tapping conditions LS-INT-S- Product symbol LS-INT-PT FC-PT FC-S-PT CT-PT CT-S-PT NPT S-NPT SP-NPT Spiral Fluted Taps (for blind hole) PT ① Tap material HSS OX HSS OX HSS NI HSS NI HF HF HSS HSS HSS Surface treatment For taper pipe threads, long For American taper pipe threads; Name For stainless steel, For taper pipe threads; For cast iron For general use interrupted 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 ⑧-28 ⑧-29 ⑧-36 ⑧-37 ⑧-38 ⑧-39 American Pipe Threads ⑧-80 ⑧-84 ⑧-86 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 ⑧-3