G570 - 12.4mm Dormer HSS-E Straight Shank 3 Flute 90° Countersink - AlTiCN Coated

G57012.4

Dormer Pramet

  • £19.80


G570

Countersink with 3-flutes, 90° chamfering angle, maximum diameter 12.40mm with an overall length of 56mm and a head length of 10.6mm and 8mm straight shank, according to DIN 335 C standard to produce a conical seat for ISO Metric countersunk-head screws with a minimum hole diameter of 2.80mm, cobalt based HSS-E with standard AlTiCN coating for machining alloy and tool steel, ferritic, martensitic and austenitic stainless steel and grey, malleable, ductile and compacted graphite cast-iron.

Cutting Diameter Second Step (DC 2) 12.40mm
Cutting Diameter Step (DC 1) 2.80mm
Length Chip Flute (LCF) 10.6mm
Overall Length (OAL) 56.0mm
Shank Diameter (DCON MS) 8.00mm
Shank Tolerance h9
Number of Flutes 3

G57012.4 G570 - 12.4MM DORMER HSS-E STRAIGHT SHANK 3 FLUTE 90° COUNTERSINK - ALTICN COATED