12.5mm M35 High Speed Steel Titanium Hex Twist Drill Bit with 1/4" Shank True Red - Plunger Bar Dia: 6

- Plunger Bar Dia: 6

Ideal replacement for your broken one with this Knob

Total Thickness (T): 21

2 x Wool Felt Sponge Polishing Pad

Cable Length(Each)   25cm / 10-inch

12.5mm M35 High Speed Steel Titanium Hex Twist Drill Bit with 1/4" Shank True Red - Plunger Bar Dia: 61. The hex drill bit is made of M35 cobalt high speed steel with sharp edge. The surface is coated with titanium, which has higher hardness, better wear resistance and longer service life than ordinary drills. 2. 1 4 " hex shank, which can quickly replace the drill bit, eliminates the frustration of the handle rotation on the chuck, and makes it easier to quickly lock to the chuck. It is suitable for most electric hand drills and drilling machines. 3.