7Pcs 300mm Extra Long Wood Brad Point Drill Bit Set for Wood Precision Drilling in PVC Pouch

Diameter: 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm

Working length: 150mm

Overall Length: 300mm

Double Flutes   (Twin Land Flutes, Fast Spiral Flutes are available)

1.Carbon Steel Material for fast cutting against tough wood material. High hardness, offers superior cutting power and durable.4mm and 5mm drills can make from High-speed steel offering a combination of hardness and toughness for wear durability.

2.Brad point tip provides accurate positioning for starting the hole;

3.Spur cutting edges reduce splintering and ensure a smooth, clean hole;

4.Suitable for bench drill, hand drill, and a conventional electric drill. Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber, etc. 

5.Extra long Shank lengthen the reach of the drill bit and can be used when a hole needs to be drilled on an angle instead of straight into the wood;

6.Extra Long Drills are designed for drilling extra deep holes in a variety of normal steels, cast iron, ferrous and non-ferrous metals, and alloys.

7.They are often used in access hard-to-reach spots and drill deep holes. Parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow.