Rock Tumblers & Grit

Our premium rock tumblers unlock the secret to professional-grade polishing and work hardening. We offer a range of drum sizes from Lortone Tumblers and Covington Engineering, each with sufficient torque for both professional and hobby use. The grits are designed to transform rough, unfinished surfaces into smooth, mirror-like finishes. Whether you're polishing jewelry, metal parts, casings, gemstones, or rocks, our carefully formulated compounds deliver consistent, stunning results every time.

Our collection includes: Rock Tumblers: Ideal for smoothing and polishing rocks with various grits and water

  • Coarse Grits: Ideal for heavy material removal, shaping, and initial smoothing of rocks and metals.

  • Medium Grits: Perfect for refining surfaces and preparing them for final polishing.

  • Fine Grits: Achieve a brilliant, high-shine finish with our ultra-fine polishing compounds.

  • Specialty Blends: Including Stainless Steel Polishing Shot, can tackle unique materials and finishes with our specialized grit formulations for metals, gemstones, and more.

Best Selling Tumbers, Grit, Accessories

Covington - Rolling Tumbler
Lortone - 3A Rock Tumbling Kit
Covington - Stainless Steel Polishing Shot
Covington - Tumbler V Belts
Lortone - 33B Rotary Tumbler
Loose Grit Grinding and Polishing Kit - kilnfrog.com
Loose Grit Grinding and Polishing Kit

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