Specifications

drill bit set:
1.export in big quantity
2.OEM & ODM is accepted

drill bit set

 

cnc drill rig machining drill bit set

 

1:Name:  wood drill bits   Brad point boring bits

 

2.Advantages for 4 Flutes Brad-point drill:

(1). Angle design determined by lab-testing, smartly drill in and out under relevant drilling parameters

(2). Drilltip score-edge designed with negative relief angle for strength and better impact

resistance.without ausplatzung or burned while has fine hole.

(3).Two vice-spiral groove added for better chip removal and make products difficult to be burned.

(4).Excircle of steel body's working portion increases made better overall strength.

 

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.

 

 

10mm×20mm Shank
Tool No. Right Hand	Tool No. Left Hand	D	B	S	L
GHW040100200700RF	GHW040100200700LF	4MM	43MM	10 20MM	70MM
GHW050100200700RF	GHW050100200700LF	5MM	43MM	10 20MM	70MM
GHW060100200700RF	GHW060100200700LF	6MM	43MM	10 20MM	70MM
GHW070100200700RF	GHW070100200700LF	7MM	43MM	10 20MM	70MM
GHW080100200700RF	GHW080100200700LF	8MM	43MM	10 20MM	70MM
GHW090100200700RF	GHW090100200700LF	9MM	43MM	10 20MM	70MM
GHW100100200700RF	GHW100100200700LF	10MM	43MM	10 20MM	70MM
GHW110100200700RF	GHW110100200700LF	11MM	43MM	10 20MM	70MM
GHW120100200700RF	GHW120100200700LF	12MM	43MM	10 20MM	70MM
GHW130100200700RF	GHW130100200700LF	13MM	43MM	10 20MM	70MM
GHW140100200700RF	GHW140100200700LF	14MM	43MM	10 20MM	70MM
GHW150100200700RF	GHW150100200700LF	15MM	43MM	10 20MM	70MM
GHW160100200700RF	GHW160100200700LF	16MM	43MM	10 20MM	70MM