1.100% Brand new
2.Center drill is made of high speed steel drill bit and quenching treatment shell designed.The drill sleeve can be fixed well to ensure the punching accuracy.
3.Automatic positioning center enhance accuracy and efficiency.
4.Centering drill, You just need take the screw apart and replace the drill with new one.
5.Suitable for most general purpose drills.
1.Prepare the center drill bit and hex wrench.
2.Rotating hex wrench.
3.Hold the top of the drill and gently rotate to unscrew the outer casing.
4.If you need to change the drill bit, just remove the broken drill bit and install the replacement drill bit.
size:Center Drill Bits 5/64inch,7/64inch,9/64inch ,11/64inch,13/64inch,5mm and 1/4inch
Material:High speed steel
colour:Black + silver
8 * Center Drill Bits
1 * Hex Key
8 * Replacement Drill Bits
1 * Center Punch
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.