Schleifmittel

Ultra-thin

Keystone Industries Ultra-thin Abrasive Discs have the exceptional combination of thinness, strength and cutting qualities, which have made them an indispensable industry standard. These abrasives are used for fine cutting and finishing on porcelain interproximals and margins. The pure fine silicon carbide abrasive is a unique formulation that will not discolor porcelain. Best used between 10,000 and 12,000 RPM.

Features:
- Made of silicon carbide
- Available Color: Grey
- Available Size: 7/8" x .009" (22.2 x 0.22mm)
- Available in 25/box

Econo Cutters

These Econo Cutters are a great combination of economical and performance. The cutters can withstand speeds up to 24,000 RPM. The .035 thick cutters are thin but still strong enough to get the job done.

Features:
- .035 thick
- Available Size: 2 1/2", 1 1/2", 4”
- Sold Individually

Red Flash Disc

The Red Flash Disc is the most popular and finest disc available from Keystone Industries. The cut-off wheel quality is strong, fast and free cutting on all chrome, precious and semi-precious allows. Made of aluminum oxide, the disc can withstand up to 25,000 RPM.

Features:
- Made of aluminum oxide
- Available size: 15/16" x .025" (23.8 x 0.63mm)
- Available in 100/Box

Joe Dandy Type Discs

The Joe Dandy Type Discs are made of pure rubber-bonded silicon carbide abrasive in a special binder. They are used for fast, cool cutting and finishing on porcelain, acrylic, gold, alloys and other materials. These discs come in various sizes along with Flat Double Cutting, Flat Safe Sided, Cup Double Cutting, Cup Outside Cutting and Cup Inside Cutting.

Features:
- Made of rubber-bonded silicon carbide
- Available Styles: Flat Double Cutting, Flat Safe Sided, Cup Double Cutting, Cup Outside Cutting, Cup Inside Cutting
- Available Sizes: 1/2 (12.7 mm), 5/8 (15.9 mm), 3/4 (19 mm), 7/8 (22.2 mm), 1 (23.8 mm)
.023" (0.6 mm) thick
- Available in 100/Box

Dura-thin

These Dura-thin Discs are the ultimate, non-contaminating companion to the Ultra-thin Discs. Made of fine aluminum oxide abrasive is specially formulated for fine cutting and finishing of ceramic metals. Ideal speeds for the discs are between 10,000 and 12,000 RPM.

Features:
- Made of aluminum oxide
- Available Color: Brown
- Size: 7/8" x .010" (22.2 x 0.25mm)
- Available in 25/Box

Veri-thin

These Veri-thin Discs are much thinner than the regular Joe Dandy Discs, but still maintains the strength and fast, cool cutting qualities. These discs, made of silicon carbide, are especially suited for cutting and finishing porcelain and gold. Ideal speeds for the discs are between 10,000 and 12,000 RPM.

Features:
- Made of silicon carbide
- Available Color: Light grey
- Available Sizes: 3/4" x .015" (19 x 0.38 mm), 7/8" x .015" (22.2 x 0.38 mm)
- Available in 50/Box

Arbor Bands and Mandrels

These Arbor Band Mandrels contain silicon carbide abrasive bands designed for aggressive trimming and finishing of acrylics, silicone relines, and other materials. We offer the mandrel and high quality rubber head, which are sold separately. The quality arbor band mandrels for 1/4", 3/8", 1/2", and 3/4" arbor bands with a 3/32" shank. Available sizes are in 1/4", 3/8”, 1/2", and 3/4".

Features:
- Made of silicon carbide
- Available sizes: 1/4", 3/8”, 1/2", 3/4"
- Sold Individually

Mizzy Heatless Wheels

Heatless Original Wheels (grey) are made of a silicone carbide abrasive to make a unique, non-loading binder for rapid reduction through the final shaping of non-precious, semi-precious, precious alloys, porcelain, acrylic, denture teeth and natural dentition, without generating excessive heat. These wheels come in 15 difference sizes and in regular grit. They also withstand a maximum RPM of 20,000.

The White Heatless Wheels are non-contaminating, aluminum oxide wheels that can be used on either porcelain or precious and semi-precious metal. They cut fast, run true, wear evenly, and won't ever clog. They also come in 15 different sizes.

Features:
- Made of silicone carbide
- White Heatless Wheels made of aluminum oxide
- Available sizes: 15 different sizes
- Available in 50/Pk

Ultra-flex Disc

The Ultra-flex Disc is the thinnest disc available to the crown and bridge craftsman. This disc is two-thirds as thin as and more flexible than the Ultra-thin Disc, supplementing the Ultra-thin where maximum thinness is required. These are excellent for interproximals and margins. Made of silicon carbide, the grey color discs work best between 10,000 and 12,000 RPM.

Features:
- Made of silicon carbide
- Available color: Grey
- Available size; 7/8" x .006" (22.2 x 0.15mm)
- Available in 25/Box

Heavy Bonded Arbor Bands

These heavy Bonded Arbor Bands have a coarse grit that is labor saving and long lasting. These bands are available in 3/8" and 3/4" diameters only and come in boxes of 100 or 500.

Features:
- Available Sizes: 3/8", 3/4"
- Coarse grit
- Available in 100/Box or 500/Box

Arbor Bands

Keystone Arbor Bands are designed for aggressive trimming and finishing of acrylics, silicone relines and other materials. Arbor band mandrels are made of high quality materials with adjustable diameter rubber heads, designed to firmly hold arbor bands in place.

Features:
- Diameter 3/32”
- Available in 1/4", 3/8", 1/2" and 3/4"
- Sold Individually

Black Utility Grinding Wheel

The Black Utility Grinding Wheel is excellent for trimming denture base plate materials, stone models and acrylics. The top-grade wheel delivers rapid cutting and will not clog at low speeds. The wheel has a 1/4” lead reinforced center hole. Comes in 46-60 grit.

Features:
- 46-60 grit
- Size: 3”x1/4”
- Sold Individually

Blue Mounted Points

Blue Mounted Points are used for finishing chrome alloys and non-precious metal. The points are made of aluminum oxide and hold their shape while remaining fast cutting and long lasting.

Features:
- Made of aluminum oxide
- Available sizes: Large Barrel, Small Barrel, Inverted Cone, Small Taper
- Available in 100/Box

Brown High Speed Disc

This Brown High Speed Disc is for those who favor the long-time standard for chrome and gold. Made of aluminum oxide, the disc are sold in 100 per box.

Features:
- Made of aluminum oxide
- 15/16" x .025" (23.8 x 0.63mm)
- Available in 100/Box

Bullet Shaped Clasp Polisher

This Bullet Shaped Clasp Polisher is used for polishing.

Features:
- Available Color: Dark Grey
- Coarse grit
- Available in 100/Box

Carbo Model Trimmer Wheel

Keystone Carborundum Model Trimmer Wheels are reversible and available in two sizes. These discs are compatible to Handler, Torit, Buffalo, Foster and ToothMaster units.

Features:
- Available in Coarse 1 hole and coarse wheel for Foster Unit – 2 hole
- Available sizes: 10" x 1/4" x 1" (coarse, 1 hole only), 12" x 1/4" x 1"
- Sold Individually

Cut-off Wheels

These strong Cut-off Wheels are long lasting and fast cutting. The wheels can be used on chrome cobalt and other non-precious metals.

Features:
- Available sizes: 35 x 0.7mm, 25 x 0.7mm
- Available in 100/Pk

Deluxe Silicone Points & Wheels

Our Deluxe Silicone Points and Wheels are specially formatted with the finest grade of silicone. These items provide excellent results and are long-lasting, making them a cost-effective choice. Available in Square Edge, Knife Edge and Pointed.

These points and wheels also come in various grits. Black is a medium grit for all metals, white is a coarse grit made for all metals, amalgam, porcelain and composites. Blue is a fine grit for final polish of porcelain or metals. Pink is an X-fine grit works well for porcelain.

Features:
- Square Edge - 7/8" x 1/8" (22.2 x 3.1mm)
- Knife Edge - 7/8" (22.2mm)
- Made of fine-grade silicone
- Available in 100/box

Diamond Discs

These flexible Diamond Discs are perfect for dental labs. All discs are mounted and measure 7/8" diameter.

Items available:
- Kool-Flex, used with ceramics and composites. (5-10,000 rpm) - Double Sided
- Multi-Flex, used with ceramics, composites and acrylics. (10-20,000 rpm)- Double Sided
- Ultra-Flex, used with ceramics. (10-20,000 rpm) - Double Sided
- Ultra Flex, used with ceramics and composites. (5-10,000 rpm) - Single Sided
- Mini-Flex, used with ceramics composites and acrylics. (5-10,000 rpm) - Double Sided
- Al-Flex Full Cover, used with ceramic, plaster and acrylic veneers. (10-20,000 rpm)

Econo Cutter Mandrel

These Econo Cutter Mandrels are special mandrels required for 2 1/2: diameter and 4” diameter econo cutters.

Field Abrasive Rolls

Field's "Strong Stitch" Abrasive Rolls is available in various coarses. The abrasive rolls are used for finishing and polishing.

Features:
- Grits between 60 and 120
- Available in 100/Box or 1,000/Box

Field Roll Mandrels

Field’s Roll Mandrel is long lasting and durable. These are available in 1/4” or 3/32 shank. Sizes range from No. 3 to No. 7.

Green Engine Wheels

These Green Engine Wheels are made of silicon carbide grit for gold and porcelain work. Available in Knife Edge and Square Edge.

Features:
- Square Edge Size: 7/8" x 1/8"
- Knife Edge Sizes: 7/8”, 5/8”
- Available in 12/Pk

Green Grinding Wheel

These Green Grinding Wheels are especially suited for grinding porcelain teeth. The long-lasting discs will not wear or chip porcelain. The wheels have 1/4” lead reinforced center hole and comes in 120 grit.

Features:
- Available in 120 grit
- 1/4" lead reinforced center hole
- Available Sizes: 2 1/2" X 1/4", 2-1/2" X 3/8", 3" x 1/4", 3" X 3/8"
- Sold individually

Green Mounted Stones

Made from finest quality silicon carbide grit these Green Mounted Stones are fast and cool cutting. The economical choice has excellent durability and 14 popular shapes. These Green Mounted Stones are guaranteed to meet your porcelain, composite, gold and silver finishing requirements.

Features:
- 3/32" Shank
- Fine Grit
- Available in 12/Pk or 100/Pk