Thread Dia. D1 | Pitch | Thread Form | Thread Length L2 | Overall Length OAL | Shank Dia D2 | Square Sq | Tapping Drill Dia. |
M4 | 0.7mm | Metric Coarse | 13mm | 63mm | 4.5mm | 3.4mm | 3.7mm |
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%