If you need longer drill bits for DIY, home and general construction/projects, 5pcs 230mm/9.1" Extra Long Drill Bit Set is highly recommended.
Specification:
Material: high speed steel
Length: 230mm/9.1inch
Quantity: 6 pieces
Cutting diameter: 6/8/10/12/14/16MM
Shank size description:
Diameter 6mm, shank hexagon diagonal Diameter 6mm
Diameter 8mm, shank hexagon diagonal Diameter 8mm
Diameter 10mm, shank hexagon diagonal Diameter 10mm
Diameter ≥ 12mm, shank hexagon diagonal Diameter 12mm
The package includes:
6 × drill bits
feature:
● High carbon steel long drill bit, heat treated and durable.
● Polished cutting edge to reduce friction.
● Ideal for DIY, home and general construction/engineering use.
● High hardness and sharpness, ideal for drilling holes in different materials such as extra thick wood, plastic, PVC, etc.
Note: In order to avoid damage to the drill bit, it is necessary to add water or coolant to cool down during use!