Tappi Prodng conditions uct symbolMachini speed ta LKSLng, in low- pping area LKSL XLXSLMachining, in SU+SLmiddle spee SUXSLd tapping ar AU+SLea AUXSLMHSLMHSL
Ta Surfap material ce treatmentHSS OXHSS OXHSSHSS OXHSS OXHSS CoatingHSS CoatingHSS-Co CoatingHSS-Co Coating
NameLongneckFor genera usel For stainless steelcoatedcoatedFor middle hardness carbon steel For middle hardness carbon steel JIS
BoredHole Shape
For M ietric Threads i②-9②-10②-36②-16②-42②-12②-38②-4②-6
For Uinified Threads
For Whitworth Threads
For Screw Threadsused on Sewing Machines
Pipe Threads
American Pipe Threads
For Miniature Threads
For Trapezoidal Threads
~S25CLow carbon steels◆ ◎◆ ◎◆ ◎◆ ◎◆ ◆ ◎◆ ◆ ◎
S25C~S45CMedium carbon steels◆ ○◆ ○◆ ◎◆ ◎◆ ◎◆ ◆ ◎◆ ◆ ◎
S45C~High carbon steels◆ ○◆ ○◆ ○◆ ◆ ◎◆ ◆ ◎◆ ◆ ◎◆ ◆ ◎
SCMAlloy steels◆ ○◆ ○◆ ◆ ◎◆ ◆ ◎◆ ◆ ◎◆ ◆ ◎
25~35HRCHeat treated steel◆ ◆ ◎◆ ◆ ◎
35~45HRCHeat treated steel
45~55HRCHeat treated steel
55~63HRCHeat treated steel
SUSStainless steels(SUS)◆ ◎◆ ◎◆ ◆ ○◆ ◆ ○
SKDTool steels
SCCast steels
FCCast irons
FCDDuctile cast irons
CuCopper
Bs BsCBrass Brass castings
PBBronze
ALWrought aluminum
AC, ADCWrought aluminum◆ ○◆ ○
MgMagnesium alloy die castings
ZDCZinc alloy die castings◆ ○◆ ○
Titanium alloys
Nickel base alloys
Thermosetting plastic
Thermoplastic resin