Broca de coroa diamantada Makita 40mm rosca M14 para perfuração a seco

The Makita Diamond Core Bit (D-44535) is a high-performance dry drilling tool designed for precision cutting in hard and brittle materials. Featuring a 40mm diameter and M14 thread, this core bit is ideal for use with angle grinders to create clean, accurate holes in porcelain, ceramic, marble, granite, natural stone, tiles, slate, terracotta, glass, and fibreglass. Its brazed diamond segments and robust metal body ensure exceptional wear resistance and durability, making it suitable for both professional and DIY applications.

Advantages

This diamond core bit offers several key benefits: dry drilling capability eliminates the need for water cooling, reducing mess and preparation time. The open design allows for easy core removal, enhancing efficiency on the job. High wear resistance ensures a long service life, while the precision cutting edge delivers clean, accurate holes every time.

Suitable for

• Porcelain and ceramic tiles
• Marble, granite, and natural stone
• Slate and terracotta
• Glass and fibreglass
• Angle grinder use

Key specifications

• Drilling Diameter: 40 mm
• Thread / Fitting: M14
• Working Length: 60 mm
• Total Length: 70 mm
• Drilling Application: Dry Drilling
• Segment Type: Brazed Diamond Segments
• Shank Type: M14 Thread
• Cutting Edge Material: Industrial Diamonds
• Construction: Robust Metal Body

Recommendations

For best results, use with a variable speed angle grinder and apply steady, moderate pressure. Always wear appropriate safety gear, including eye protection and dust mask. This core bit is not recommended for reinforced concrete or metal.