
These industrial grade 3M Microfinishing diamond abrasives are perfect for hard materials such as semi & precious stones, carbides, cobalt, tungsten, chilled iron, etc. Use wet or dry.
Use for:
Lapidary & Watch Crystal: Ideal for cutting & shaping stones as well as smoothing out chips. Also removes deep to fine scratches on watch crystals.
For a higher polish on your stones or glass, use the 3M PREMIUM Polishing Diamond Kit after these Microfinishing Diamond abrasives.

Carbide Tools: Sharpen carbide edges by removing chips & nicks. Achieves a sharper-than-factory finish on cutting edges which reduces heat build-up during tool operation.
More Applications:
Automotive: Get crisp edges on valve seats and stems, hone small parts of almost any shape. Perfect for sharpening any high-speed steel machining/cutting tools.
Woodworking: Perfect for high-speed steels, it allows sharpening of a wide array of woodcarving & turning tools and knives. Fine hone and maintain the tips & edges of flat chisels, drill bits, counter sinks, fluted end mills, etc.
Available in the following grades: 74, 45, 30, 20 micron
Kit Includes: