KWB 050640 punta elicoidale per calcestruzzo con placchetta in metallo duro 4,0 mm x 100 mm gambo cilindrico

This carbide-tipped concrete spiral drill bit delivers reliable drilling in concrete, masonry, brick, and natural stone. The 4.0 mm diameter and 100 mm total length with cylindrical shank suit both rotary and hammer drills.

Advantages

High wear resistance from the tungsten carbide cutting edge and double flute design for efficient debris removal.

Suitable for

• Concrete
• Masonry
• Brick
• Natural stone

Key specifications

• Drill bit type: Spiral drill bit
• Diameter: 4.0 mm
• Total length: 100 mm
• Shank type: Cylindrical shank
• Material: Carbide-tipped
• Cutting edge material: Tungsten carbide
• Body material: High-grade steel
• Number of cutting edges: 2
• Flute design: Double flute
• Standard: DIN 8039
• Packaging quantity: 1 piece
• Colour: Metallic grey

Recommendations

For best results, use with a hammer drill in rotary hammer mode when drilling into hard concrete. Apply moderate pressure and withdraw periodically to clear dust.