40mm Flat Wheel Sintered Diamond Bur, 5pcs – 46 Grit 6mm Shank for Stone, Concrete & Granite

Heavy-duty 40mm Flat Wheel Sintered Diamond Burs (6mm Shank, 5-Piece Set) engineered for high-performance surface grinding, edge grooving, contouring, and rapid stock removal on hard materials. Formulated with a durable sintered metal matrix where diamond particles are distributed throughout the head, delivering consistent cutting performance and extended tool life under demanding workloads.

Key Specifications

• Head Diameter: 40 mm
• Shank Diameter: 6 mm
• Shape: Flat Wheel / Wheel Shape
• Grit: 46# Coarse
• Bond Type: Sintered Metal Matrix
• Quantity: 5 pieces

Recommended Applications

• Granite, marble, engineered quartz, and hard stone carving and edge profiling
• Concrete, masonry, and refractory material surfacing
• Industrial ceramics, tungsten carbide pre-forms, and composite shaping

Usage Tips

• Always use continuous water coolant or wet feed during operation to preserve diamond matrix life and prevent thermal stress.
• Operate at recommended speeds between 10,000 and 25,000 RPM depending on material hardness.