Tappi Prodng conditions uct symbolISPSPLS-SPLS-SP-KSP LHMachining, LS-SP LHin low-spee LO-SPd tapping ar LS-LO-SPea SP 1.5P
Ta Surfap material ce treatmentHSS OXHSSHSSHSSHSSHSSHSSHSSHSS
NameI seriesFor general useLong, for general useLong neckFor general use For left-hand threadsLong, for general use For left-hand threadsLow helix for general useLong, low helix for general useShort chamfer for general use
BoredHole Shape
For Metric Threads①-60①-37①-87①-95①-77①-93①-142①-149①-56
For Uniified Threads①-41①-90①-78
For Whitworth Threads①-43①-90①-78
For Screw Threadsused on Sewing Machines①-43
Pipe Threads
American Pipe Threads
For Min For Trapiature Threads ezoidal 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
BsBrass
BsCBrass castings
PBBronze
ALWrought aluminum
AC, ADCWrought aluminum
MgMagnesium alloy die castings
ZDCZinc alloy die castings
Titanium alloys
Nickel base alloys
Thermosetting plastic Thermoplastic resin

AL - SP 1.5P HVSP HC - SP HC - SP OX SU - SP SP