7 Pcs Woodworking Countersink Drills Chamfer High-Speed Steel Bits with Hex Wrench for Wood,Default NO

Features:

1.Single Flute edge chamfer 90 Degree.

2.Heat treated & tempered high-carbon steel with Titanium Nitrate coating for superior cutting power.

3.Use on steel, aluminum & other metals, plastic or wood.

4.Enlarge or countersink holes, deburr edges; 15-degree chamfer.

Specification:

Handle features: Round Handle

Size:

3mm(Dia) x 60mm(L)

4mm (Dia)x 75mm(L)

5mm(Dia) x 85mm(L)

6mm (Dia)x 93mm(L)

7mm(Dia) x 10mm(L)

8mm (Dia)x 11mm(L)

10mm(Dia) x 12mm(L)

How to Use

1.Attach to any Power Bench or Hand drill driver.

2.When Woodworking or Building Molding, enlarge and bevel the rim of a drilled hole so that a screw, nail, or bolts can be inserted flush with the surface you are working on.

3.Example: Hinges, bits also wipe away any burr left from any application, thereby improving the finish and removing hazardous edges.

Note:

1.The best use of this product is to use a bench drill, because the hand electric drill is not fixed in the operation process, the drill bit (especially the 3mm and 4mm) is prone to bend and break.

2.Try to keep the drill vertical while drilling, so as not to be uneven.

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