31.00mm HSS Tri-Flat Shank 90deg Countersink (G106) OAL 71mm

Product code: DOC1063100

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£166.86 inc VAT

£139.05 ex VAT

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Countersink with 3-flutes, 90deg chamfering angle, maximum diameter 31.00mm with an overall length of 71mm and a head length of 18.5mm and 12mm tri-flat shank, according to DIN 335 C standard to produce a conical seat for ISO Metric countersunk-head screws with a minimum hole diameter of 4.20mm, HSS with standard bright finish for machining free machining, plain carbon and alloy steel, grey cast-iron, copper or copper alloys

• 90 degrees Angle - designed to chamfer holes to accommodate standard fasteners with 90 degree heads
• Premium HSS material - can be used for chamfering holes in many materials including steel, aluminium, stainless steel
• Tri-flat plain shank - three ground flats provides improved holding when used in 3-jaw chucks
• Bright finish - prevents work piece material from sticking to the cutting edge
• Versatile product - can be used in both machine and hand held applications
• Dimensions:- LCF=18.5 OAL=71 DCON MS=12 DC_1=4.2 DC_2=31