Sintered granite core drill with T segment

The drilling holes are neat, fast drilling, excellent performance The crown U-shape segment makes drills more aggressive Segment height 7-10mm, thi...

High quality diamond to sinter to ensure the quality and lifespan The crown U-shape segment makes drills more aggressive  The drilling holes are ne...

Aggressive T-segment rim design for speed and durability The side vacuum protection strips offer clean cut and body protection Segment height 7mm, ...

Widely used for granite, hard concrete, masonry, hard brick etc Large chip removal hole design, fast drilling and long lifespan Segment height 7mm,...

T-shape segment to avoid teeth coming-off Brazed side protection offers clean cut &   steel core Protection no overheating Segment height 7mm, ...