| Thread
Dia.
D1 | Pitch | Thread Form | Thread
Length
L2 | Overall
Length
OAL | Shank
Dia
D2 | Square
Sq | Tapping
Drill
Dia. |
| M8 | 1.25mm | Metric Coarse | 20mm | 90mm | 8mm | 6.2mm | 7.4mm |
Flute Type: Thread Forming/Fluteless
Recommended for: Forming Threads in materials with at least 10% elongation
Shank Standard: DIN 371
Type: High speed steel Cobalt (HSSE)
Coating: TiN Coated (Titanium Nitride) - TiN coating has a hardness of approx. 2,300 HV and is temperature-resistant up to approx. 600°C.
This is an excellent all-round coating for normal applications.
Coating Colour: Golden Coefficient of friction against steel: 04
Tapping Materials
Excellent for tapping: All General Steels; Free Machining & Austenitic Stainlesses; Unalloyed Titanium; Unalloyed Nickel; Unalloyed Copper; and Unalloyed Aluminium
Good for tapping: Long Chipping Copper Alloys; and Aluminium with Silicone content 0.5-10%
