
| Machining, i FC-PS | n low/middl CT-PS | e speed tapp FC-PF | ing area CT-PF | NPS | NPSF |
| HSS NI For par | HF allel pipe th | HSS NI reads; For ca | HF st iron | HSS For American parallel pipe threads; For general use | HSS For American Dryseal parallel pipe threads; For general use |
| ⑧-47 | ⑧-48 | ⑧-78 | ⑧-79 | ⑧-97 | ⑧-99 |
| ◆ ○ ◆ ◎ ◆ ○ | ◆ ○ ◆ ◎ ◆ ○ | ||||
| ◆ ◎ ◆ ○ | ◆ ◎ ◆ ○ ◆ ◎ | ◆ ◎ ◆ ○ | ◆ ◎ ◆ ○ ◆ ◎ |
AUSP Rp AUSP G Tap material
| Name | For parallel pipe threads; Long, for | For parallel pipe threads; For general use | For parallel pipe | For parallel pipe threads | ||
| general use | For left-hand threads | threads, coated | For stainless steel |
Bored Hole Shape For Metric Threads For Unified Threads For Whitworth Threads For Screw Threads used on Sewing Machines
For Miniature Threads For Trapezoidal Threads
| ~S25C | ◆ | ◆ | |
| S25C~S45C | ◆ | ◆ | |
| 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
Cu Copper Bs Brass
PB Bronze AL Wrought aluminum
| AC, ADC | Wrought aluminum | ◆ | ○ | ◆ | ○ | ||
| Mg | Magnesium alloy die castings | ||||||
| ZDC | Zinc alloy die castings | ◆ | ○ | ◆ | ○ |
Titanium alloys Nickel base alloys