... drill,Spotting drill,Twist drills,Step drill,Core drill bit,Straight flute drill,Spade drill bits,Long length drill,deep-hole drilling,special drill bits are providedMaterial: All our drill ... arrange from 0.5-22mm,Specifications custom-made for you,whatever style tool you need,you can count ... on ZLY to deliverMachining: For metal working(such as Aluminum,copper,steel,stainless steel ...