Product Introduction

Our Vacuum Brazing Diamond Drill Bit adopt high-temperature vacuum brazing craft with high-hardness industrial diamond grit, covering complete sizes from 6mm to 100mm. Compatible with electric hand drills and bench drills, ideal for precise hole drilling on fragile hard stone materials including sintered stone slabs, ceramic tiles, marble, granite, quartz countertops. It delivers smooth round holes with minimal edge chipping for renovation workers and stone fabricators.
Specifications:

• Diameter:  6mm, 8mm 10mm,12mm,14mm,16mm,18mm,20mm,25mm,30mm,32mm,35mm,45mm,50mm,60mm,70mm,80mm,90mm,100mm,120mm
• Diamond Height: 10mm,15mm
• Thread: M10, M14, 5/8“-11, 1/2 thread
• Material: Selected emery / Selected silicon carbide abrasive
• Compatible Machines: Hand drills, drill presses
• Applicable Materials: Sintered stone, tiles, marble, granite, quartz stone, etc.

Core Features
Complete size range: 6mm to 100mm to meet all hole-drilling demands
Strong vacuum brazed diamond grit, hard to fall off during high-speed drilling
Balanced drill body design reduces vibration for stable, straight holes
Works for both dry and wet drilling operations
Wide compatibility: fits standard hand drills and bench drilling machines

Why Choose our Vacuum Brazing Diamond Drill Bit?

Strong vacuum brazing for longer lifespan
Cheap low-temp brazed drill bits lose diamond grains quickly after short use. We use high-temperature vacuum brazing to tightly bond diamond grit on the bit body, 40% longer service life and fewer replacements to cut your tool cost.

Full complete size lineup from 6mm to 100mm
Most suppliers only stock partial small sizes, forcing buyers to source multiple vendors for different hole diameters. Our full-size range covers tiny faucet holes to large sink cutouts for one-stop bulk purchasing.

Less chipping on fragile stone & tile
Uniformly distributed premium diamond abrasive delivers balanced cutting pressure. Generic bits cause cracks and broken edges on thin tiles or soft marble, while our drill makes neat round holes and reduces material scrap loss.

Universal compatibility for hand & bench drills
Many core bits only support single drill types. Our standardized shank fits all mainstream hand drills and bench drills, suitable for DIY home renovators and commercial stone workshop mass production.

Stable balanced drill body
Thickened precision steel body lowers vibration during drilling, avoiding slanted holes. Flimsy thin cheap bits wobble easily, leading to irregular holes and safety risks during long-hour work.