Introduction
During drilling before using good rigidity pilot drill to drill a depth of 1 to 2 times the diameter of the initial hole drilling drill bit to ensure normal accuracy
And set aside for the tapping chamfered to facilitate tapping.
SpottingDrill Uses
The main purpose of industrial drilling, widely used in processing, machinery, shipbuilding and other industries.
Drill standard types
European production of taps, dies, plug and ring gauges, including metric thread, American thread, inch thread, pipe thread, Rd, PG, G, R, Rp thread, etc.
Specification
Name: Hss drill bits
Size:d=5mm
Brand:Koves
Producer:Dongguan Guangdong
Tool material:HSS Co
Details
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