Countersink with 3-flutes, 90° chamfering angle, maximum diameter 12.40mm with an overall length of 56mm and a head length of 8.5mm and 8mm 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 2.80mm, HSS with standard bright finish for machining free machining, plain carbon and alloy steel, copper or copper alloys More information:  | | Coating name (Grade): | Bright | Surface treatement: | Original surface | Basic standard group (BSG): | DIN 335 C | Body material code (BMC): | HSS | Brand Name: | Dormer | Connection diameter tolerance machine side (TCDCONMS): | h9 | Connection diameter - millimeter (DCON MS): | 8 mm | Hand (Cutting direction): | Right | Length chip flute - millimeter (LCF): | 8.5 mm | Flute count (NOF): | 3 | Overall length - millimeter (OAL): | 56 mm | Point Angle (SIG): | 90 ° | Ordering code ISO: | G13612.4 |
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