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5/8" High Diamond Stained Glass Lapidary Glass Grinder Head Bit Adapter
High Diamond Stained Glass Lapidary Glass Grinder Head Bit Adapter easy way to drill precision holes and create fine details without having to remove your ¾" or 1" grinding head!300 Series Adapter, Inland no. 40317 is required to use individual drilling drums Fits .312" (7.92 mm) arbor TIR <.0025" (.0635 mm).
Required for use with 1/8" (3 mm) , 1/4" (6mm), and 3/8" (10mm) drilling bits.
Standard 100 Grit for multi-task use.
Works right on top of larger diamond drums, no need to change or remove your ¾" or 1" drum before using.
The brass cores are manufactured on "Swiss precision" machinery for consistent and accurate tolerances.
Measured for true before the diamond is applied, so they spin properly on the motor shaft.
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