Tappi Pro Ta Surfang conditions duct symbol p material ce treatmentRc HSSPT HSSPT-X HSSS-PT HSSSP-PT HSSSP-S-PT HSSSP-PT-X HSSLS-PT HSSLS-S-PT HSS
NameFor taper pipe threads; For general useFor taper p Long, foripe threads; general use
Bored For M For UiHole Shape etric Threads nified Threads
For Whitworth Threads
For Screw Threads Pipused on Sewing Machines e Threads⑧-13⑧-14⑧-16⑧-17⑧-21⑧-22⑧-23⑧-19⑧-20
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
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

PT AUSP Rc PT

For taper pipe threadsFor taperFor taper pipe threads
left-hand threadscoatedinterrupted