1:Name: Woodworking Drill Bits -High Performance  Brad point boring bits

2.Advantages for standard Brad-point drill:

(1).  Score-edge is designed as circular act, so it has better impact resistance, wearing resistance and improved third times comparing to common products' life span.

(2). Center location point participates in cutting makes better accurate positioning.

(3). Better for machine tools's high rotate speed and feeding.

3.Suggested Parameters :

Used for CNC and drill rig machining

Speed: 4500-8000 (r/min)

Feeding speed: 2-8 (m/min)

Maximum drilling depth: length 57, deep 20mm; length 70, deep 33mm.

woodworking drill bits