Feature:
*Quick Change Hex Shank Countersink Drill Bit.
*Countersink Drill Bits Set Hole Quick Change Hex Shank.
*Carpentry Countersink Drill Bit Set Woodworking Tools.
*Adjustable Counter Sleeve Depth with Wrench.
*Drill and Countersink for Wood Screws without Changing Bits.
*Drill length can be adjusted for various length screws simply by loosening and tightening the Setscrew.
*Set Includes Bits for Drilling Pilot Holes for Screw Sizes #5, #6, #8, #10, #12.
*Try to keep the drill VERTICAL while drilling, not to bend the bit or the chamfer surface is uneven.
*Perfect for wood, fiberboard, particle board, plywood, plastic, PVC, rubber, etc.

Easy to Use:
1: Rotate the Hex Wrench to adjust the length you need.
2: Insert the countersink bit into the drill. Please make sure the drill bit is clamped.
3: Vertical drilling the drill bit during the operation. The depth only needs to allow the screw head to sink below the surface.

Specification:
Type: Countersink Drill Bit
Material: High Speed Steel

Package Included:
1 x 5# Countersink Drill Bit
1x 6# Countersink Drill Bit
1x 8# Countersink Drill Bit
1x 10# Countersink Drill Bit
1x 12# Countersink Drill Bit
1x Wrench

Note: Please allow 1-5mm error due to manual measurement, and slight color difference caused by light and screen.