Center Drill And Twist Drill Bits
1) Suitable for Mould steel ,Cats Iron,Titanium alloy Copper ,and A;uminum processing, Mainly for the processing of center location hole of the workpieces.
1) Suitable for Mould steel,Cast Iron, Titanium alloy,Copper,and Aluminum processing .Mainly for the processing of through hole ,threaded hole,and location hole of the workpieces.
2) No note for tolerence means the tolerence 0-0.01
3) Helix Angle 30° ,Drill point 118°
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