Grinding / drilling bit adapter

The easy way to drill precision holes and create fine details without having to remove your ¾” or 1? grinding head! Works with our 1/8? (3 mm), 1/4? (6 mm) 3/8?(10 mm) diamond drill bits.

Key features
Standard 100# grit for multi-task use
Drill small holes quickly and easily
Use to grind and shape tight inside curves and fine detail in glass, stone, tile, marble, and similar materials
The brass cores are manufactured on "Swiss precision" screw machines for consistent and accurate tolerances
Measured for true before the diamond is applied, so they spin properly on the motor shaft

Specifications
Fits .312" (7.92 mm) arbor
TIR <.0025" (.0635 mm)