OSG
Spiral Tap Series, General Purpose EX-SFT
Screw Types | Screw size (Nominal) | Pitch (P), Number of Threading(mm) | Chamfer threads (Lcf) | Tool Material Type | work material | Tap Type | Hole type | Coating Y/N |
---|---|---|---|---|---|---|---|---|
Unified | 7/8UN | 9 ~ 14 | 2.5P | Vanadium High-Speed Steel | Medium carbon steel (carbon content 0.25 to 0.45%)[○] / Alloy Steel (SCM)[○] / Ductile Cast Iron (FCD)[○] / Copper (Cu)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○] / Thermoplastic plastic (vinyl chloride, nylon, etc.)[○] | Spiral Tap | For blind hole | N/A |
OSG
Spiral Tap Series, for Stainless EX-SUS-SFT
Screw Types | Screw size (Nominal) | Pitch (P), Number of Threading(mm) | Chamfer threads (Lcf) | Tool Material Type | work material | Tap Type | Hole type | Coating Y/N |
---|---|---|---|---|---|---|---|---|
Unified | 7/8UN | 9 ~ 14 | 2.5P | Vanadium High-Speed Steel | Stainless Steel (JIS-SUS)[◎] / Copper (Cu)[◎] / Thermoplastic plastic (vinyl chloride, nylon, etc.)[◎] | Spiral Tap | For blind hole | N/A |