Four-Groove Four-Edge Woodworking Twist Drill Woodworkin

Material: high carbon steel drill bit, hardened and tempered, with longer service life. carbon steel structure than standard auger ensures safety.
[Caution] Please make sure that these auger bits work on wood, and firmly fix the electric drill when it starts to work, so as to avoid bit damage. Because these auger bits have long handles, you hardly need to press the electric drill to avoid shaking.
7 different sizes: 9/23Inch(10mm), 9/19Inch(12mm), 5/9Inch(14mm), 7/11Inch(16mm), 5/7Inch(18mm), 11/14Inch(20mm) and 25mm
Scope of application: woodworking drill, suitable for making clean holes in hardwood, cork and plastic. agon handle with groove can be used for manual drilling of electric drill.
Fast and efficient drilling of wood-based materials leads to faster chip removal. Thread center point and self-feeding cleaning inlet hole. Hardened carbon steel with long service life.

Type:auger bit
Colour:Black & Silver
Material:steel
Size: diameter:10mm 12mm 14mm 16mm 18mm 20mm 25mm

Package Contents:
8 * Auger
1 * Connecting rod/joint/expansion spring

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.