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 | 13mm | 90mm | 8mm | 6.2mm | 6.8mm |
Flute Type: Spiral Flute
Recommended for: Blind Holes
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: Carbon steels with low alloy content Rm<600N/mm2
Good for tapping: Unalloyed Copper & Aluminium