3M™ Diamond Discs, 3M™ Microfinishing Film, Silicon ...
3M™ Diamond Metal Bond, Metal Plate Platform Abrasives. Precisely graded diamond particles electroplated on a 1/16' (1.58mm) thick metal plate (brass) with an 8' (203mm) diameter. These discs can be used on lapping machines with rigid, flat support plates and with a lubricant to prolong disc life.
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