5pcs Countersink Drill Bit Woodworking Screws Chamfering Wood Hole Drills

Features: Adjustable Counterbore: Adjustable length of the counterborn,with fixing screw,use the attached hex key remove the screw and adjust the length of the counterbore. Premium Quality: The drill bit made of tungsten steel alloy,more hardness,provide fast cutting and strong force. Efficient Work: Smooth counterbore drilled to save you time and labor. The surface of the workpiece will be perfectly embedded with screw cap. Compatible with: Applied with drilling rig,bench drill,hand drill and charging drill. Use Tip: Vertical to avoid the drill bit from bending or breaking.

Specifications: Material: Tungsten Steel Alloy? Size: 8*2.8, 8*3, 8*3.2, 8*3.5, 8*4mm Item Weight: 98g /??3.46oz Package Weight: 107g /?3.77oz Package Size: 100*50*50mm /?3.94*1.97*1.97in

Package List: 5 * Drill Bit 5 * Hex Key