*Make drilling, countersinking and couterboring a step process.

*1/4" hex shank can be used with power drills and quick change chucks.

*The hexagonal shank makes the drilling work quick and easy, and it is not easy to fall off.

*The adjustable stop collar allows you to either set the screw head flush with the surface or drill.

*Countersinks will drill the pilot hole and countersink or counter-bore for screws in step. Countersink to drive the head of the screw flush with or slightly below the surface.

 

Specifications:

Product name: Countersink Drill Bit 

Material: Steel, Alloy Steel

Color: Sivler, Black (As shown)

Shank: 6.35mm(1/4" ) Hex

Size: 2×9mm, 2.5×9mm, 2.8×10mm, 3.25×10mm, 3.5×12.5mm

Suitable for: Woodworking drilling, counterbore.

Quantity: 5pcs/set

 

Package Included: 

5 × Drill Bits