Groove glass grinder bit

Groove glass grinder bit


Hi-Tech Diamond groove glass grinder bit is used for shaping and grinding the edges of glass pieces and creating grooves in stained glass for wire wrapping. If you’re a glass artist, these grinder bits are essential. We have a large variety of different grits available in sizes that fit 3/8″ arbors and 5/16″ arbors.

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Product description

Hi-Tech Diamond groove glass grinder bit is essential for shaping and grinding the edges of glass pieces or creating grooves in stained glass for wire wrapping. All grinder bits are 1.4mm in thickness and come with a set-screw Allen wrench and square-shaped sponge to keep your glass piece cool while you work.

We have a variety of different grits available, ranging from 60 to 600, in sizes that fit 3/8″ arbors and 5/16″ arbors.

Don’t see the grit you want in the size you need? We have an adapter for that! Our glass grinder bit adapter is designed to convert glass grinder bits with 3/8″ arbor holes into glass grinder bits with 5/16″ arbor holes. This adapter makes it possible for all glass grinder bits to fit onto all lap machines.

IMPORTANT PURCHASING NOTE: The 3/8″ arbor size grinder bits are specially designed to fit onto both All-U-Need rock/mineral and All-U-Need glass/crystal lap machines ONLY. The 5/16″ arbor size grinder bits are designed to fit onto other glass grinder machines that accept a 5/16″ arbor.

WARNING: Proposition 65 warning for California residents

Additional information

Weight N/A
Dimensions in

3/8", 5/16"


60#, 80#, 100#, 220#, 360#, 600#