Woodworking Counterbore Drill Bit &Drill Stopper Set Alloy Head Step Drill Wood Self-Tapping Screw Hole Drill Installation Tools

Features:

*Make drilling, countersinking and couterboring a step process.

*8mm Round shank can be used with power drills and quick change chucks.

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

*Countersinks will drill the for 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 for .

Specifications:

Product name: Countersink Drill Bit 

Material: Steel, Alloy Steel

Color: black, Orange(As shown)

Optional Size: 2.8×8, 3×8, 3.2×8, 3.5×8, 4x8

Shank: 8mm

Drill Stopper:29mm

Suitable for: Woodworking drilling, counterbore.

Package Included: 

1x Drill Stopper

or

1 × Drill Bit 

1 x Drill Stopper

Note:

1.Transition: 1cm=10mm=0.39inch.

2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

3. Please allow slight manual measurement deviation for the data.