
| Tappi Prod | ng conditions uct symbol | MC-HLC | Helical ta MC-CSLC | pping area PRML | PRML TI |
| Ta Surfa | p material ce treatment | HSS-Co Coating | HF Coating | HF Coating | HF Coating |
| Name | For general use | For general | use, carbide | For heat- resistant alloys, carbide | |
| Bored | Hole Shape | ||||
| For M | etric Threads | ⑨-11 | ⑨-8 | ⑨-4 | ⑨-6 |
| For Uni | ified Threads | ⑨-4 | ⑨-6 | ||
| For Whit | worth Threads | ||||
| For Screw Threads Pip | used on Sewing Machines e Threads | ⑨-12 | ⑨-9 | ||
| America | n Pipe Threads | ||||
| For Min | iature Threads | ||||
| For Trap | 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 |