Auniwaig 1.8mm HSS Twist Drill Bit, Straight Shank Jobber Drill Bits Set, Small Twist Drill High Speed Steel Bit, for Steel, Aluminum Alloy 10pcs

Auniwaig Straight Twist Drill Bit 1.8mm Technical Parameters Bit Diameter:1.8mm/0.07" Color:Silvery Material:HSS-4241 Hardness:62-63 Finish:Polished,Heat Treatment Product Feature *Excellent for drilling on both flat and curved surfaces such as stainless steel and cast Iron. *Split Point tip starts on contact to keep the bit from walking for fast accurate holes. *For drilling holes in the aluminum,iron material and electrical drilling machine. *Adjust the relative position of the bit before grinding,do not ignore the bevel angle in order to flatten the edge,or ignore the flattening edge in order to flatten the axis.Also,the tail of the bit should not be higher than the horizontal center line of the grinding wheel. Package Content 10 x Straight Twist Drill Bits