Broca para madeira KWB 042908 8 mm x 235 mm, encabadouro hexagonal de 1/4 polegadas, aço carbono, ranhura helicoidal única, ponta de parafuso auto-roscante

With an 8 mm diameter, 235 mm total length, and a self-feeding screw tip, this KWB auger drill bit powers through wood, timber, and beams with minimal effort.

Overview

The KWB 042908 is a single auger drill bit designed for deep, clean holes in soft and hard wood. Its high carbon steel construction and single spiral flute ensure efficient chip removal, while the 1/4 inch (6.3 mm) hex shank provides secure grip in cordless drills, rotary drills, and impact drivers.

What stands out

• Self-feeding screw tip pulls the bit into the workpiece, reducing user effort.
• Single main cutting edge with spurs produces clean hole edges.
• Hex shank prevents slipping in the chuck during heavy drilling.
• High carbon steel offers durability for demanding applications.

Technical details

• Drill bit diameter: 8 mm
• Total length: 235 mm
• Shank type: Hex shank
• Shank size: 1/4 inch (6.3 mm)
• Material: High carbon steel
• Flute design: Single spiral flute
• Tip design: Self-feeding screw tip
• Cutting edges: Single main cutting edge with spurs
• Application material: Wood, timber, beams
• Tool compatibility: Cordless drills, rotary drills, impact drivers with 1/4" hex chuck

Our verdict

A reliable auger bit for carpenters and DIYers needing precise, deep holes in wood. The hex shank and self-feeding tip make it a practical choice for high-torque applications.