MAKITA B-57663 SDS-MAX Concrete Core Cutter Drill Bit 55 x 990 mm

MAKITA B-57663 SDS-MAX Concrete Core Cutter Drill Bit for Masonry Size 55 x 990 mm
Features MAKITA B-57663 is a drill bit used with Rotary Hammers, which operate with simultaneous hammering and rotation. This drill bit features an SDS-MAX shank system, Makita's largest and most durable shank for transmitting maximum impact energy and torque when drilling into hard materials.The 55 mm diameter provides a very large drilling size, while the 990 mm total length makes this bit ideal for drilling large openings for pipe routing or installing large structures through multi-layer thick walls or thick concrete floors. The bit features tungsten carbide cutting tips for high strength and flutes designed for fast, efficient removal of dust and debris.                                                                           
Key Features
- Large and extra-long size: 55 mm diameter and 990 mm length for the largest and deepest drilling applications
- SDS-MAX system: shank designed for heavy-duty work, withstanding high impact energy and torque
- Carbide tip (TCT): tungsten carbide cutting edge, impact-resistant and excellent for drilling reinforced concrete
- Fast debris removal: flutes designed for maximum chip evacuation efficiency
- High durability: Suitable for professional tradespeople in large structural construction work
Applications
- Structural construction work: Drilling large holes to install ventilation pipes, plumbing pipes, or openings for large utility systems through thick concrete walls
- Structural installation work: Drilling deep holes for inserting large anchor bolts
- Target materials: concrete, reinforced concrete, stone, brick, and masonry