
Feature: 1.
[high efficiency] the 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.
[wide application] countersink bits for countersinking and opening holes for screws in wood, plastic, soft metal, fibreboard, aluminium alloy, etc.
Specification: item type: adjustable depth countersunk bit material: alloy steel colour: silver specification: approx.
3.
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.