MAKITA Diamond Core Drill Bit 51mm M14 Dry Cutting

The MAKITA Diamond Core Drill Bit D-44557 is a professional-grade dry cutting core bit designed for precise drilling in masonry, brick, block, aerated concrete, limestone, sandstone, and light concrete. Featuring a 51mm diameter and M14 thread, this bit is ideal for electrical, plumbing, heating, and ventilation installations. Laser-welded diamond segments ensure durability and long life, while air cooling allows for efficient dry operation.

Advantages

Laser-welded diamond segments provide superior bonding and extended service life. Dry drilling capability eliminates the need for water supply, increasing convenience and portability. Compatible with angle grinders and core drills with M14 spindle, offering versatility across tools. High maximum RPM of 11000 enables fast cutting.

Suitable for

• Brick, block, masonry, aerated concrete, limestone, sandstone, light concrete
• Electrical installations, plumbing, heating, ventilation, general construction

Key specifications

• Drilling Diameter: 51 mm
• Thread Size: M14
• Working Length: 60 mm
• Total Length: 70 mm
• Segment Height: 7 mm
• Number of Segments: 4
• Maximum RPM: 11000
• Drilling Method: Dry
• Segment Type: Diamond

Recommendations

For best results, use with a variable speed angle grinder or core drill. Ensure the M14 spindle is compatible. Always wear appropriate safety gear including eye protection and dust mask.