Alpen 0018900400100 Profi Concrete Twist Drill Bit 4mm x 100mm Hex Shank

The Alpen concrete twist drill bit, model 0018900400100, features a 4 mm diameter with a total length of 100 mm and a hex shank. This drill bit is designed for masonry, stone, and brickwork applications. It is ideal for use in concrete work, offering durability and precision in drilling tasks.

Type	Concrete twist drill bit
Diameter	6.35mm
Length	39mm
Tool Holder	Hex shank