Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, size BS4 with 1/8" drill diameter, a body diameter of 5/16" and an overall length of 2.1/4", according to BS 328 standard to produce form A centre holes, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, size BS4 with 1/8" drill diameter, a body diameter of 5/16" and an overall length of 2.1/4", according to BS 328 standard to produce form A centre holes, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
Features & Benefits:
• 120° pilot and 60° Cone - recommended for creating centre holes in shafts to enable secure holding;
• Bright finish - prevents work piece material from sticking to the cutting edge;
• Double ended - two drilling ends provides increased productivity and economy;
• Premium HSS material - can be used for drilling many materials including steel, aluminium, stainless steel;
• Versatile product - can be used in both CNC and conventional machines
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Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, size BS4 with 1/8" drill diameter, a body diameter of 5/16" and an overall length of 2.1/4", according to BS 328 standard to produce form A centre holes, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron