Countersink with 3-flutes, 90° chamfering angle, maximum diameter 20.50mm with an overall length of 63mm and a head length of 13mm and 10mm straight shank, according to DIN 335 C standard to produce a conical seat for ISO Metric countersunk-head screws with a minium hole diameter of 3.50mm, HSS with standard bright finish for machining free machining, plain carbon and alloy steel, ferritic stainless steel, wrought and copper or copper alloys and polymers
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Primary use
M - Stainless steel(corrosion resistant steels with ? 11% chromium content) - Primary use
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Primary use
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