8mm Twist Drill w Titanium Coated High Speed Steel Bit HSS M35 CO

Description: How to Use Twist Drill Bits: Ensure the left and right cutting edges of the drill are symmetrical when drilling. Observe the uniformity of the spark while drilling adjust the pressure in time and pay attention to the cooling of the bit. note: Mini twist drill bit can NOT be used in the impact drill. Specification: Material : High Speed Steel M35(HSS-M35) with CO Surface Treatment : Titanium Coated Color:Champagne Type : N Type 135 dgree Shank / Cutting Edge Diameter : 8mm Cutting Edge Length : 75mm Total Length : 115mm Package Content: 1pcs x Twist Drill Bit