R71316.8
Step drill with 90° included step angle, DIN 6535HA parallel shank and a drilling-pilot diameter of 6.80mm with a length of 21.00mm, a countersink diameter of maximum 10.00mm and an overall length of 89mm, according to DORMER standard to produce a thread tapping drill hole with chamfer for M8 thread, solid carbide and bright finish for machining free machining, plain carbon, alloy and tool steel, ferritic, martensitic, austenitic and super-austenitic, Duplex or precipitation hardening stainless steel, grey, malleable, ductile, austenitic or austempered ductile and compacted graphite cast-iron, wrought and cast aluminium and copper or copper alloys
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Material: HM
Cutting Diameter - in (DC): 0.2677
Cutting Diameter - mm (DC): 6.8
Drill Point Angle - deg: 140
Flute Length: 1.3386
Through Coolant: 1
Lenxth x Diameter Ratio: 3
Overall Length (OAL): 3.5039
Connetion Diameter: 0.3937
Tool Direction: Right
Diameter Size: M8
Shank: Cylindrical shank DIN 6535 HA
Grade: TiAlN
EDP: 7341682
EAN: 7320760746134
MFG Part Number: 7341682