Our brazed diamond cone hole saw is a multi-functional stone processing tool manufactured in our integrated metal material factory. Combined high manganese steel substrate and uniform 46# diamond grit via vacuum brazing technology, this cone drill integrates hole drilling, hole enlarging, edge chamfering and surface grinding into one tool. Available in 38mm and 50mm diameters, it matches angle grinders directly and works with electric drills via an adapter, widely used in tile installation and stone fabrication.

Specifications:
Diameter: 38mm, 50mm
Material: High manganese steel + Emery / Diamond abrasive
Grit: 46#

Compatible Machines: Angle grinder, hand drill (adapter required)

Application Scenarios:
Suitable for drilling, reaming, chamfering, and grinding on materials such as marble, quartz stone, and tiles. Features sharp grinding, environmentally friendly, and durable.

Core Advantages
High manganese steel base + 46# diamond grit, high hardness and wear resistance
Fast cutting for drilling, reaming, chamfering and grinding
Fit angle grinders and electric drills (with adapter)
Perfect for marble, quartz stone, ceramic tile and artificial stone
Low dust cutting, sturdy structure, long service life, less tool replacement

Why Choose Our product
Factory direct supply with strict brazing process, diamond grit firmly bonded, no sand shedding
Standard 46# diamond balance sharpness & durability, greatly boost working efficiency
Two mainstream sizes: 38mm and 50mm, meet most home decoration & stone processing needs
Thickened high manganese steel body, anti-deformation, stable for long heavy-duty work
Universal shank design, compatible with most hand power tools with simple adapter