M35 High Speed Steel Twist Drill Bit, Gold Oxide 6mm Drill Dia. 300mm Length 6mm(ID)x8mm(OD)x500mm(L) 63 Inch(DxL)

63 Inch(DxL)

): 55mm x 55mm x 48mm / 2

24 x Lamp Pipe Insert Plug(Black

Drawing force(kg): 20

M35 High Speed Steel Twist Drill Bit, Gold Oxide 6mm Drill Dia. 300mm Length 6mm(ID)x8mm(OD)x500mm(L) 63 Inch(DxL)Description 1. Made of M35 HSS(High Speed Steel) cobalt steel. With high hardness and red hardness, wear resistant, and fast drilling performance. 2. The gold oxide surface treatment increases the hardness of the drill bit, provides longer drilling life and better drilling performance, and is more durable and corrosion resistant than uncoated drill bits. 3. Suitable for drilling hard materials and hard metals such as cast iron, hard plastics, but also