9.5mm Titanium Coated M42 High Speed Steel 8% Cobalt (HSS) Twist Drill Bit 28mm X 26mm X 300mm allows access for swinging doors

allows access for swinging doors in both directions

8-4mm thick panel

easy to install

3-inch x 1-inch(L*W*H)

Fit Wire Diameter: 1

9.5mm Titanium Coated M42 High Speed Steel 8% Cobalt (HSS) Twist Drill Bit 28mm X 26mm X 300mm allows access for swinging doorsM42 steel is a super hard cobalt high speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness (Retains hardness even at high temperatures of the cutting edge.). Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Can greatly improves hardness, wear resistance, and reduces the coefficient of friction. Sharp