kwb puupora 4 mm, kokonaispituus 75 mm, keskikärki, 1 kpl 511904

For carpenters, joiners and furniture makers, this 4 mm wood twist drill bit with centering point delivers clean, precise holes in solid wood and wood-based panels. The brad point tip prevents wandering on the surface, while the spiral flute clears chips quickly, making it ideal for dowel holes, pilot holes for screws, and through-holes in softwood, hardwood, plywood and chipboard. Use it in a cordless drill, rotary drill or drill press for accurate, splinter-free results.

Key specifications

• Drill bit type: Wood twist drill bit with centering point (brad point)
• Diameter: 4 mm
• Total length: 75 mm
• Shank: Cylindrical, 4 mm diameter
• Material: High carbon steel
• Standard: DIN 748
• Cutting direction: Right-hand
• Flute design: Spiral
• Finish: Bright
• Packaging quantity: 1 piece

Why choose it

The precision-ground centering point positions the bit exactly on your mark, reducing the need for a center punch. The sharp cutting edges produce clean hole edges with minimal tear-out, even in veneered or laminated boards. High carbon steel offers a good balance of hardness and cost for woodworking tasks, and the bright finish resists corrosion during storage.

Ideal use cases

• Drilling dowel holes for furniture joinery
• Creating pilot holes for wood screws
• Boring through-holes in softwood, hardwood, plywood and chipboard
• Precision drilling in cabinets, shelves and wooden fixtures

Good to know

This bit is designed for wood and wood-based materials only. For best results, use a drill speed appropriate for the wood type and withdraw the bit periodically to clear chips. The cylindrical shank fits standard three-jaw chucks on cordless drills, rotary drills and drill presses.