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Grinding Wheels, Belts, & Discs
Here you will find our grinding wheels, sanding and polishing belts, sanding and polishing discs. We offer these both in popular diamond and economical silicon carbide.
Diamond Grinding Wheels
Diamond Grinds Clean And Fast.
The premium lapidary wheel for general use in grinding and sanding gemstones, rocks, ceramics or glass. The metal bonded diamond is plated on the peripheral surface of a precision turned, seamless, steel rim. Use only with a suitable coolant such as Dia-Cut. Arbor is 1" and comes with bushings to adapt to 1/2, 5/8 or 3/4 inch shaft. Both 6 inch and 8 inch wheels are 1 1/2 inches wide.
Some of our 6 inch wheels are on sale!
Diamond Wheel, 6 in x 80 mesh $227.00
Diamond Wheel, 6 inch 100 mesh $119.00
Diamond Wheel, 6 inch 180 mesh $166.00
Diamond Wheel, 6 inch 260 mesh $94.00
Diamond Wheel, 6 inch 360 mesh $87.00
Diamond Wheel, 6 inch 600 mesh $133.00
Diamond Wheel 8 inch 80 mesh $292.00
Diamond Wheel 8 inch 100 mesh $268.00
Diamond Wheel 8 inch 180 mesh $227.00
Diamond Wheel 8 inch 220 mesh $218.00
Diamond Wheel 8 inch 360 mesh $208.00
Diamond Wheel 8 inch 600 mesh $177.00
Graves 6 inch Flex-O-Wheel
NEW! Graves own version of the popular sponge backed wheel at a price you can't beat. Field tested and proven to be a true workhorse. Available in a variety of popular grits. 100% satisfaction guaranteed. Simply return it within 30 days for a full refund or replacement. Quantities are limited, no backorders.
Silicon Carbide Grinding Wheels
Our silicon carbide grinding wheels are made for the cutter who needs fast cutting. The softer bond in these wheels will not glaze even at higher speeds. 6 inch wheel is 1 inch wide while the 8 inch wheel is 1 1/2 inch wide.
Silicon Carbide Wheel, 6 in 100 mesh $32.95
Silicon Carbide Wheel, 6 in. 220 mesh $35.95
These drums are a must for sanding and polishing belts. Soft, pliable rubber expands during rotation to grip the sanding or polishing belt. Changes are made quickly and easily by sliding the belts from the drum. At slow speed the flexible surface wraps around the curved surfaces for increased contact with the work piece. When using at high speed, the drum acts like a hard rubber grinding wheel. Use with diamond or silicon carbide abrasive belts and any of our polishing belts. 1 inch arbor and is supplied with bushing to fit 3/4", 5/8", and 1/2" arbors.
Expanding Drum, 6 x 1 1/2 $61.00
Expanding Drum, 6 x 2 1/2 $72.00
Expanding Drum, 8 x 3 $79.00
Silicon Carbide Belts and Discs
The belts are used with our expanding drums. The Silicon Carbide is bonded to a tough waterproof backing and can be used for either wet or dry sanding. Smooth joints eliminate bumps. Our discs are made of the same heavy duty cloth backing with no center hole. Use a discs adhesive to bond to your backing plate. Weight 4 oz. each. Available in 100, 220, 400, and 600 grit.
Silicon Carbide Belt, 6 in. x 1 1/2 $2.25
Silicon Carbide Belts, 6 in. x 2 1/2 $2.55
Silicon Carbide Belts, 8 in. x 3 $3.55
Silicon Carbide Disc, 6 inch $1.07
Silicon Carbide Disc, 8 inch $1.68
Miracle Lap™ brand laps have been designed for the CrystalMaster™, CabMate™, and other machines requiring diamond polishing laps. These PSA backed multi-layer diamond laps replace sanding paper and provide exceptionally long life. Miracle Lap™ brand laps have no center hole which allows you to handle larger work pieces. Available in 220, 600, and 1200 mesh.
Miracle Lap, 6 inch $34.00
Miracle Lap, 8 inch $49.90
Make your own polishing belts using polishing powders or diamond compound. These belts are used with our expanding drums. Made with a resin treated fabric that can be charged with your favorite polish or any diamond compound. Designed to smooth and polish, not rough grinding. Sold 3 belts per package.
CrystalBelts, 6 in x 1 1/2 in. wide $28.10
CrystalBelts, 6 in. x 2 1/2 in. wide $23.80
CrystalBelts, 8 in. x 3 in. wide $33.50
Pre-Polish Crystalpad™ brand pads are used with diamond compound 1200 mesh or coarser. Final Polish Crystalpad™ brand pads are excellent for the final polish, using 3,000, 8,000, 14,000, and 50,000 mesh diamond compound. They have the necessary drag to flow finish a gemstone. Using these pads will prevent undercutting and product a showcase finish on almost all lapidary stones. Use our Graves Extender Fluid lubricant with the diamond compound. Do not use water.
Crystalpad, 4 in, Pre-Polish $10.60
Crystalpad, 6 in, Pre-Polish $11.45
Crystalpad, 4 in.Polish $10.60
Crystalpad, 6 in Polishing $11.45
Crystalpad, 8 in. Pre-Polish $12.00
Crystalpad, 8 in. Polishing $12.00
Polypad™ brand pads are leather-like urethane fiber pads used with conventional polishing powders (never with diamond compound), including linde "A" and tin and cerium oxide.
Poly Pad, 4 inch $13.00
Poly Pad, 6 inch $15.20
Poly Pad, 8 inch $21.70
These top grade cowhide leather discs are used for polishing with any of the oxide compounds
6 inch Leather Disc $6.50
8 inch Leather Disc $10.75
Great for polishing with oxide polishing agents.
These hard felt discs are just the thing when undercutting is not a problem. Especially recommended for glass, agate, and opal.
Felt Disc, 6 inch $11.60
Felt Disc, 8 inch $18.60
Used as a soft backing for other sanding and polishing pads.
Sponge Disc, 6 inch $3.75
Sponge Disc, 8 inch $11.50
The Quick Disc is the same as the composition disc except it comes with 1/4-20 right hand threaded screw attachment for easy mounting to threaded arbors such as the CabMate or a shaft adaptor listed below. Used as a backing disc for various polishing and sanding pads.
Economical Backing Disc
Used to hold diamond discs or any silicon carbide disc for cabbing. The soft sponge rubber, is cemented to a 1/4 inch thick hardboard backing. The sanding or polishing discs are attached to the rubber with disc adhesive. 6inch diameter with a 1/2 inch arbor hole.
These discs are made from a hard rubber to act as a backing disc for cabbing. Rigid yet will flex as you get to the outer edges. Supplied with 1/4-20 threads for use with the CabMate, Caberet, or other machines with a suitable threaded arbor. May also use a shaft adaptor listed below.
Flex-O-Disc, 4 inch $17.30
Flex-O-Disc, 6 inch $23.80
Flex-O-Disc, 8 inch $31.40
These adaptors will convert your grinder shaft to accept the popular "no-hole" discs with the 1/4-20 threaded stud. These would include the Quick Disc, Flex-O-Discs, and "no-hole" laps.
1/2" Straight shaft
1/2-20 right hand thread
5/8" straight shaft
5/8-18 right hand thread
3/4-16 right hand thread
3/4" straight shaft
1"-14 right hand thread
This is a ground phenolic lap with a concave dish profile used to polish cabochons. Charge with diamond compound. 6 inch diameter with a 1/2 inch center hole.
This lap has two semi-circular grooves to make it easy to sand and polish beads and star (high domed) type cabs. Charge with diamond compound. 6 inch diameter with 1/2 inch center hole.
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