Features:
Straight round shank is the most common style on modern drill bits, universal for bench drills.
90 degree countersink bits with double edges. Accurately drill a smooth hole and fast discharge chips.
The hex wrench can adjust counter sleeve depth, drill any holes you want. Very accurate centering for sharp and precise countersinking, non-slip.
Perfect for wood, fiberboard, particleboard, plywood, tile, PVC, rubber, granite, quartz, vitrified brick etc. Suitable for bench drill, hand drill and conventional electric drill.
Specifications:
Product Name: Countersink Drill Bit
Weight: 56g
Material: High Speed Steel
Center Drill Diameter: 4.2mm / 0.2 inch
Center Drill Length(Adjustable): 23mm / 0.9 inch
Countersink Degree: 90 Degree
Countersink Diameter: 10mm / 0.4 inch
Shank Diameter: 8mm / 0.3 inch
Total Length: 76mm / 3 inches
Package Contents:
2 x Countersink Drill Bits
2 x Hex Wrench
How to Use:
Step 1: Rotate the Hex Key to adjust the length you need.
Step 2: Insert the countersink bit into your drill/driver. Make sure the drill bit is clamped.
Step 3: Vertically drilling to the required depth. The depth only needs to allow the screw head to sink below the surface.
Warning Tips:
Keep the drill Vertical while drilling.
This countersink drill bit Do Not fit steel plate, iron plate or other hard materials.
When a drill bit is damaged, just replace the counterbore device that can continue to use.
Bench drill is suggested to use, the effect will be better than a hand electric drill that is not fixed in the operation process, the drill bit is prone to bend and break!
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