Chinese Factory DIN338 Best Step Drill Bit For Steel

Product name	HSS CO/M35 Step Dril	Cooling type	External cold
Material	HSSM35/M2/4241	Groove	Spiral groove/straight groove
MOQ	At least 10PCS	Brand	Xinfa
Workpiece	Steel plate Stainless steel sheet Aluminum plate Carbon steel	Total length (mm)	6-10

1.One drill for multiple uses, bench drills, hand drills, and rechargeable drills can be used 2.Sharp and wear-resistant 3.Smooth chip evacuation 4.Full grinding process 5.Precision drilling