KWB Hammer Drill Bit HB 44 C4 10 x 110 mm SDS-plus 260510

For professional contractors and serious DIYers drilling into reinforced concrete, the KWB HB 44 C4 hammer drill bit delivers fast, precise holes with its 4-cutter carbide head. The SDS-plus shank fits standard rotary hammers, and the optimized U-flute clears dust quickly for efficient drilling in concrete, masonry, natural stone, and brick.

Key specifications

• Drill bit type: Hammer drill bit
• Shank type: SDS-plus
• Diameter: 10 mm
• Total length: 110 mm
• Working length: 50 mm
• Cutter design: 4-cutter (Quadro-X / Cross-Head)
• Tip material: Tungsten carbide (TC)
• Body material: High-grade steel
• Flute design: Optimized U-flute for fast dust removal
• Application: Concrete, reinforced concrete, masonry, natural stone, brick
• Compatibility: Rotary hammer drills with SDS-plus chuck
• Drilling method: Rotary hammer drilling
• Certification: PGM-tested
• Packaging: Single piece, SB-packed (self-service blister)
• Colour: Silver/grey with polished tip
• Series/Type: HB 44 C4

Why choose it

The 4-cutter carbide head provides high wear resistance and a long lifespan, while the centering tip ensures accurate hole starting. The U-flute design rapidly removes debris, reducing heat and improving drilling speed.

Ideal use cases

• Drilling anchor holes in concrete and reinforced concrete
• Creating openings for conduits and pipes in masonry
• Installing fixtures in natural stone or brick

Good to know

This bit is PGM-tested for quality and comes in a self-service blister pack. Use with a rotary hammer drill with SDS-plus chuck for best results.