
| Tappi Prod | ng conditions uct symbol | ISP | SP | LS-SP | LS-SP-K | SP LH | Machining, LS-SP LH | in low-spee LO-SP | d tapping ar LS-LO-SP | ea SP 1.5P |
| Ta Surfa | p material ce treatment | HSS OX | HSS | HSS | HSS | HSS | HSS | HSS | HSS | HSS |
| Name | I series | For general use | Long, for general use | Long neck | For general use For left-hand threads | Long, for general use For left-hand threads | Low helix for general use | Long, low helix for general use | Short chamfer for general use | |
| Bored | Hole Shape | |||||||||
| For M | etric Threads | ①-60 | ①-37 | ①-87 | ①-95 | ①-77 | ①-93 | ①-142 | ①-149 | ①-56 |
| For Uni | ified Threads | ①-41 | ①-90 | ①-78 | ||||||
| For Whi | tworth Threads | ①-43 | ①-90 | ①-78 | ||||||
| For Screw Threads | used on Sewing Machines | ①-43 | ||||||||
| Pip | e Threads | |||||||||
| America | n Pipe Threads | |||||||||
| For Min For Trap | iature Threads ezoidal 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 |
AL - SP 1.5P HVSP HC - SP HC - SP OX SU - SP SP