Centre drill (combined drill and countersink) with 60° straight conical form, double ended and cylindrical body, size 4 with 1/8" drill diameter, a body diameter of 5/16" and an overall length of 2.1/8", according to Precision standard to produce form A centre holes, solid carbide and bright finish for machining free machining, plain carbon, alloy and tool steel, grey, malleable, ductile, austenitic or austempered ductile and compacted graphite cast-iron, wrought and cast aluminium, copper or copper alloys and polymers
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Primary use
K - Cast Iron(castings of iron and carbon alloys with > 2% carbon content) - Primary use
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Primary use
H - Hardened materials(any engineering metal with a hardness > 45HRC) - Possible use
For additional details please check the Manufacturer's site:
Prop65 Warning:
WARNING: Cancer - www.P65Warnings.ca.gov
