2.8/3/3.2/3.5/4mm Alloy Twist Cone Drill Bit, Wood Chamfering Tool Set with 5-Piece Hex Key

The package includes: The countersink drill bit set comprises 5 sizes, each size comes with a hex key.

Multiple sizes: 2.8 x 8 mm, 3 x 8 mm, 3.2 x 8 mm, 3.5 x 8 mm, 4 x 8 mm, suitable for drilling holes in wood of various sizes.

Alloy countersink bit: High precision, high hardness, fast cutting speed, providing good drilling performance.

L-shaped key: The hex key can be used to adjust the sub-sleeve depth and the drilling depth for screws of different lengths.

Applicable materials: Used for chamfering flexible materials such as wood boards, plywood, fiberboard, and particleboard.