Specification:

Diameter: 4”/100mm 

Inner hole: 20mm

Grit: 30#, 50#, 100#

Use Type: dry or wet use

Weight: 50g per piece

Package: 1 Piece

Features:

New design, 6mm thick rubber buffer layer, slow down the impact and vibration during the grinding process

Vacuum brazing technology, the diamond particles are firmly welded to the base body, diamond never fall off, so it is very sharp 

The grinding effect is more even and has higher grinding efficiency.

Long service life, the life is 2 times more than the Electroplated type, suitable for the superhard materials, glass, ceramics, stone, diamonds, etc.