he spiral groove with a central bit will quickly remove debris from the hole, which will prevent the build-up of rock chip traps and improve drilling efficiency.
2. [Rational Structure] The hole drill is structurally sound and the chamfer is made of steel for aesthetic durability and superior quality and detail.
3. [Alloy Steel] The hole drill is made of alloy steel for good chip removal, bending resistance, wear resistance and durability.
4. [Adjustable Limit] Our countersink bit has an adjustable limit that will not punch through the plate and is easy to use.
5. [Wide Application] Countersink bits for countersinking and opening holes for screws in wood, plastic, soft metal, fibreboard, aluminium alloy, etc.
Spec:
Item Type: Adjustable Depth Countersunk Bit
Material: Alloy steel
Colour: Silver
Specification: Approx. 3.5 x 8mm / 0.14 x 0.31in
Use: For countersinking and opening holes in wood, plastic, soft metal, fibreboard, aluminium alloy screws, etc.
Package List:
1 x Adjustable Depth Countersunk Bit
1 x Wrench
1 x Hex Wrench
1 x Set Screw
1 x Storage Box