Technical data:
External ⌀:4.3 mm
Coating:TiAlN
Countersink tip angle:90 degrees
Tool material:HSS
Spacing of the countersink cutting edges:unequal spacing
Number of cutting edges Z:3
Standard:DIN 335 C
Shank:Plain shank with h9
Through-coolant:no
smallest countersink ⌀ for holes from:1.3 mm
Overall length L:40 mm
Shank ⌀ Ds:4 mm
for countersunk screws ISO 2009, 2010, 7046, 7047:M2
Feed f in steel < 500xa0N/mm2:0.08 mm rev. Shank tolerance:h9 Colour ring:green Type of product:Stepped drill and countersink Version: All countersinks have 3 cutting edges. Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C. Advantage: Very smooth cutting throughout the entire countersinking operation. Chatter-free running for perfect results and optimum tool service life. Application: High-precision countersinks for production of exactly round 90° countersunk surfaces.