| 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
(0.1mm Oversize) | 7mm | 63mm | 4.5mm | 3.4mm | 3.4mm |
Flute Type: Spiral Flute
Recommended for: Blind Holes, cutting 0.1mm oversize for plating allowance
Shank Standard: DIN 371
Type: High speed steel cobalt (HSSE) tap.
Coating: Steam Tempered VAP - The Steam Tempered is a Fe3O4-oxyd-coating which reduces the friction between tool and workpiece and prevents cold welding.
Tapping Materials
Excellent for tapping: Stainless Steels & Carbon Steels with low alloy content Rm<600N/mm2
Good for tapping: Heat resistant alloys & Titanium Alloys <270HB
