HSS Drill Bits Set for Metal Aluminum Black Finished
 Recommended by CCCME
Recommended by CCCME
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HSS Drill Bits Set for Metal Aluminum Black Finished
Product Name: HSS TWIST DRILL BITS
Material : HSS 4241
Process : Roll forged / full ground
Shank Type: Straight
Surface Finish : Bright finish / Tin Coated / black finish
Standard : DIN 338
Diameter : 1-13 mm
Features:
① The large increment of drill body makes the product not easy to break.
② The hole with thick core is easier.
③ Quenching temperature within 5 degrees temperature control, more stable quality.









 
				               
			                 
	 
                             
                             
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