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Countersink Drill Bits


  • Perfect for woodworking countersink drill.
  • 8mm shank fits for most drills.
  • 2.8 x 8mm, 3 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4 x 8mm 5 kinds size included.

Capability & Durability:

Made of classic carbon steel material, high hardness, offer superior cutting power and durability. Widely used suitable for DIY, home and general building or engineering using, etc.

Different Sizes:

Countersink drill bit set is included 5 kinds of sizes: 2.8 x 8mm, 3 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4 x 8mm very suitable for using to multi size wood hole drilling. One tool for multi uses, improve your working efficiency.

Removable and Adjustable:

This countersink drill set contains 5pcs hex key wrench, use the hex key to adjust counter sleeve depth and drilling depth for screws of various lengths. Complete specifications can satisfy all your demand.

Suitable for Woodworking:

Compatible with drilling machines with chuck, for drilling in wood or wood flooring. It is recommended to use the center punch to position before drilling, keep the drill bit Vertical to prevent the drill from bending or breaking. Each drill bit comes with a plastic box with a marked size to facilitate your identification and storage.


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