Общий каталог Yamawa 2022 - 2023

Tapping conditions Product symbol	Machining, in low- speed tapping area LS-N-CT	Machinin N-CT FC	g, in low/middl N-CT LA	e speed ta N-CT-SP	pping area N-CT-PO	EH-CT	UH-CT	ACHSP	MC-AD-CT
Tap material Surface treatment	HF	HF	HF	HF	HF	HF Coating	HF Coating	HF Coating	HF Coating
Name	Long, for cast iron	For cast iron	For light alloys	For gen car	eral use, bide	For high- hardness steel	For ultra high- hardness steel	For tapping aluminum cast holes	With oil hole
Bored Hole Shape
For Metric Threads i	⑤-18	⑤-10	⑤-3	⑤-20	⑤-21	⑤-24	⑤-28	⑤-40	⑤-42
For Unified Threads		⑤-13
For Whitworth Threads
For Screw Threads used on Sewing Machines
Pipe Threads
American Pipe Threads
For Miniature Threads
For Trapezoidal Threads
～S25C Low carbon steels
S25C～S45C Medium carbon steels
S45C～ High carbon steels
SCM Alloy steels
25～35HRC Heat treated steel
35～45HRC Heat treated steel
45～55HRC Heat treated steel						◆ ◆ ◎
55～63HRC Heat treated steel							◆ ◆ ◎
SUS Stainless steels（SUS）
SKD Tool steels
SC Cast steels
FC Cast irons	◆ ◎	◆ ◎
FCD Ductile cast irons	◆ ○	◆ ○
Cu Copper
Bs Brass					◆ ◎
BsC Brass castings	◆ ◎	◆ ◎			◆ ◎
PB Bronze					◆ ◎
AL Wrought aluminum				◆ ◎	◆ ◎				◆ ◎
AC, ADC Wrought aluminum			◆ ◎	◆ ◎	◆ ◎			◆ ◎	◆ ◎
Mg Magnesium alloy die castings					◆ ◎
ZDC Zinc alloy die castings			◆ ◎	◆ ◎	◆ ◎				◆ ◎
Titanium alloys
Nickel base alloys
Thermosetting plastic
Thermoplastic resin

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