Best Trenion in 2026

CDB Technology - Cluster Diamond Brazing Technology, a new concept and invented technology of diamond segment production. The purpose of CDB product is to make high level grinding & coating removal, through molecular sintering method.

HIGH LEVEL GRINDING & COATING REMOVAL - Optimized design for high performance on grinding & coating removal. Works for concrete, asphalt, epoxy coating, tile glue, urethane and paint. Feel the finest surface grinding and removing.

FAST & LONG-LIFE - Longer working life with fast removing speed enables easy work and less working fatigue.

CDB Technology - Cluster Diamond Brazing Technology, a new concept and invented technology of diamond segment production. The purpose of CDB product is to make high level grinding & coating removal, through molecular sintering method.

HIGH LEVEL GRINDING & COATING REMOVAL - Optimized design for high performance on grinding & coating removal. Works for concrete, asphalt, epoxy coating, tile glue, urethane and paint. Feel the finest surface grinding and removing.

FAST & LONG-LIFE - Longer working life with fast removing speed enables easy work and less working fatigue.

CDB Technology - Cluster Diamond Brazing Technology, a new concept and invented technology of diamond segment production. The purpose of CDB product is to make high level grinding & coating removal, through molecular sintering method.

HIGH LEVEL GRINDING & COATING REMOVAL - Optimized design for high performance on grinding & coating removal. Works for concrete, asphalt, epoxy coating, tile glue, urethane and paint. Feel the finest surface grinding and removing.

FAST & LONG-LIFE - Longer working life with fast removing speed enables easy work and less working fatigue.

RCD Technology - Reinforced Compound Diamond Technology, a new concept and invented technology of diamond segment production. RCD segment shows excellent diamond keeping ability with high durability against impact and abrasion. Check product description for more information.

REMOVING - Ideal grinding cup for removing Urethane, Epoxy, Glue on concrete floor. DOUBLE diamond layer for effective removing work.

COMPETITIVE & ECONOMICAL - This is economical and price competitive than typical PCD grinding cups in the market.

<b>Excellent Anti-Slip Function</b> : Diamond, the hardest material has excellent wear resistance and anti-slip function. (Ave. 80bpn)

<b>Cost Saving (Semi-Permanent)</b> : Extreme Longevity and Durability. Savings in repair costs compare with existing non-slip products (maximum savings when including annual A/S and replacement/labor costs)

<b>Latest Technology</b> : Vacuum brazing technology, used in wafer grinding of semiconductor process, is used to combine diamond and SUS plate. Never peeled and worn out.

★FAST CUTTING: Heavy Duty Contractor PRO Grade 4 Inch Grinding Wheel provides for very fast cutting action on masonry, stone and concrete.

★DURABLE:Large grinding segments with heat-treated steel bodies of our concrete grinding wheel increases durability.

★AIR HOLE DESIGN: Designed to maintain a stable cutting pattern and reduce wear and tear.

Large grinding segments with heat treated cup design.

4 Inch grinding wheel 12 Segs heavy duty angle grinder wheels, made of high quality of diamond, use long life

Perfect for use on grinding on marble, tile, concrete and rock.

Double Row Segmented Diamond Cup Wheel are designed for grinding concrete and fieldstone, it's an ideal concrete grinding wheel 4 1/2 for angle grinder.

The double row diamond cup grinding wheel is suitable for grinding machines and angle grinders to remove thinset and excess materials on your surface quickly.

The double segment of this diamond grinder cup configuration allows faster material removal ideal for all types of stone like concrete, ceramic, tile, marble, granite, rock, cement, etc.

High Diamond concentration for long life and aggressive material removal

Large grinding segments with heat treated steel bodies

Arbor diameter 5/8 - 11"

#30/40 diamond grit for long-lasting grinding concrete and masonry

Diameter: 4.5 inches

Thread: 5/8"-11 threaded

✔【CARBIDE DIE GRINDER BITS】: These carbide rotary burr set, with 1/8'' shank is made from Tungsten Carbide. Total Length:45-50mm, Cutting Diameter 1/4'', Shank Length 35mm, Shank Diameter 1/8''.

✔【DOUBLE CUT DESIGN】: The groove lines of these carbide rotary burr's head are crossed, which makes it more suitable for materials with relatively low density, such as wooden, plastic and aluminum.

✔【ADAPTABILITY】: 1/8” shank fits dremel and most small rotary tools with three jaw chuck for accurate centering. An ideal choice for your DIY woodworking, carving, engraving, and polishing.

SPECIFICATIONS：4" x 7/8" x 4/5" x 5/8" (100mm x 22mm x 20mm x 16mm). Please double check the size info before purchase.

HOLE DESIGN: The angle grinder concrete grinding wheel features air holes designed to aid in maintaining and cooling the cutting pattern and reducing wear

FAST CUTTING AND DURABLE: Our diamond cup grinding wheel provides for very fast cutting action on masonry, stone, and concrete. High diamond concentration for long life and aggressive material removal. This diamond cup grinding wheel featured large grinding segments with heat-treated steel bodies increases durability and wheel life.

Take care of your grinding wheel with this Grinding Wheel Dressing Tool from Norton Abrasives, perfect for cleaning, opening and reshaping grinding wheels

Crafted with a sharp, durable, medium grit silicon carbide abrasive, this dressing tool will deliver efficient truing and dressing of a variety of materials, including masonry, stone, brass, titanium and stainless steels

This versatile dressing tool delivers excellent results when dressing conventional vitrified wheels and during rough finishing-stick work such as removing small burrs

Compatible with Dremel, Wen ect. Rotary Tools .Turn your rotary tool into high-speed cut-off saw & grinding machine.

The Cutting Wheels are sharp and strong, making them perfect for Cutting gemstones, glass, geramics, porcelain, tiles, carbide, rocks, aluminium and copper

All Discs have Breathing Holes which is designed for heat reduction and removal of debris while using.

The package includes: 2 pieces of diamond grinding wheels.Inner diameter : 22mm ( 0.86 Inch)/Diameter of Grinding Wheel: 100mm(4 inch)/Thickness of Grinding Wheel Disc Body: 29mm(1.14 inch)/Thickness of Gear: 7mm(0.28 inch)

4 Inch grinding wheel 12 Segs heavy duty angle grinder wheels, made of high quality of diamond, use long life

The 4” diamond grinding wheel features air holes designed to aid in maintaining and cooling the cutting pattern and reducing wear

RECOMMENDED USE For use on ferrous metals (iron steel welds etc ) for general purpose grinding

FEATURES Our most popular grinding wheel for general purpose grinding this in a long life wheel for fewer wheel changes Proudly Made in the USA

COMPATIBILITY Right-angle grinders 6600 max RPM

RECOMMENDED USE: For use on ferrous metals (iron, steel, welds, etc.) for general purpose grinding

FEATURES: Our most popular grinding wheel for general purpose grinding, this in a long life wheel for fewer wheel changes. Proudly Made in the USA

COMPATIBILITY: Right-angle grinders; 8500 max RPM

High-performance aluminum oxide grain offers long life and aggressive material removal, suitable for 1/4" mandrels and up to 13,300 RPM.

Low vibration design ensures operator convenience and longer usage, ideal for metal fabrication, auto shops, maintenance, and construction.

All-purpose grinding disc for edges and surfaces with excellent stock removal rate, ideal for cleaning, rust removal, deburring, and polishing.

Strong and sturdy: made of heat-treated steel body and high concentration of diamond, these diamond cup grinding wheels are rust and corrode resistant, not easy to deform, removing materials quickly

Fast sanding efficiency: at a height of 5 mm, the brazed double-row fan or brazed corrugated turbo row fan is designed for a fluent grinding experience, the diamond wheel with air holes design can help maintain and cool the cutting pattern to reduce wear, improving the work efficiency

Easy to operate: diamond grinding wheels are easy to operate and install, which are suitable for grinders and angle grinders; Please follow the using instruction of angle grinders and grinders during use to avoid accidents

INCLUDES: (1) Bench Grinder Grinding Wheel w/ vitrified bond

APPLICATIONS: Medium 80 Grit grinding wheel works exceptionally well on steel, and can be used for stock removal or as a drill bit sharpening tool or part of a lathe tool sharpening system

COMPATIBILITY: 8” bench grinder wheel is designed to fit and work with most pedestal and bench grinder machines

CDB Technology - Cluster Diamond Brazing Technology, a new concept and invented technology of diamond segment production. The purpose of CDB product is to make high level grinding & coating removal, through molecular sintering method.

HIGH LEVEL GRINDING & COATING REMOVAL - Optimized design for high performance on grinding & coating removal. Works for concrete, asphalt, epoxy coating, tile glue, urethane and paint. Feel the finest surface grinding and removing.

FAST & LONG-LIFE - Longer working life with fast removing speed enables easy work and less working fatigue.

CDB Technology - Cluster Diamond Brazing Technology, a new concept and invented technology of diamond segment production. The purpose of CDB product is to make high level grinding & coating removal, through molecular sintering method.

HIGH LEVEL GRINDING & COATING REMOVAL - Optimized design for high performance on grinding & coating removal. Works for concrete, asphalt, epoxy coating, tile glue, urethane and paint. Feel the finest surface grinding and removing.

FAST & LONG-LIFE - Longer working life with fast removing speed enables easy work and less working fatigue.

Designed for Dremel Wen ect. Rotary Tools .Turn your Dremel or other rotary tool into high-speed cut-off saw & grinding machine

Steel wheels have 200-grit industrial diamond permanently brazed to surface

Hardest cutting/abrasive material available for use with glass, tile, stone - even hardened steel

CDB Technology - Cluster Diamond Brazing Technology, a new concept and invented technology of diamond segment production. The purpose of CDB product is to make high level grinding & coating removal, through molecular sintering method.

HIGH LEVEL GRINDING & COATING REMOVAL - Optimized design for high performance on grinding & coating removal. Works for concrete, asphalt, epoxy coating, tile glue, urethane and paint. Feel the finest surface grinding and removing.

FAST & LONG-LIFE - Longer working life with fast removing speed enables easy work and less working fatigue.

ULTRA-FINE QUALITY, UNBEATABLE PRICE - With 6 HSS Circular Saw Blades,10 Diamond Cutting Discs,10 Double Mesh Cut-off Wheels,36 Resin Cutting Discs,20 Polished Discs,5 Mandrels and even 1 soft cleaning cloth,this rotary cutting wheels set covers all the bases with quality products at a price any operator can afford. Ideal for cutting, grooving trimming wood,plastic,ceramics,metal and DIY production.

EFFICIENT AND SMOOTH CUT - These rotary cutting wheels are made of high quality steels,diamond particles,fiberglass reinforced for strength and durability. The cut off saw blades are high speed steel and there are 6 kinds of outer diameters 22/25/32/35/44/50mm;With low heat generation and thin cutting line,the double mesh cutting wheels are applicable to electric drills,hanging grinders,electric grinders,etc. The diamond cutter wheels are suitable for cutting gem,jade and glass.

HIGH COMPATIBILITY - These cutting wheels are suitable for Dremel rotary tools as good as original. We use original rotary tools to test this accessory kit. And the mandrels fit for most power die grinders or rotary tools & air tools.The whole cutter wheels set is suitable for cutting wood,plastic,gemstone,glass,ceramic,stone,aluminum and copper. The mini rotary tool is suitable for DIY projects and the home hobbyist.

Designed for Dremel, Wen ect. Rotary Tools .Turn your Dremel or other rotary tool into high-speed cut-off saw & grinding machine.

The Cutting Wheels are sharp and strong, making them perfect for Cutting gemstones, glass, geramics, porcelain, tiles, carbide, rocks, aluminium and copper

Suitable for most rotary and air tools, including Dremel.

12 strips per pack

one sided

convienent package

AGGRESSIVE GRINDING - high peformance grinding wheels designed for fast stock removal on concrete, curb gutters, expansion joints, high spots, epoxy, paint, mastics or coating removal

HIGH QUALITY DIAMONDS - contains higher grade and higher concentration of diamond grit than standard grinding wheels

GRIT SIZE/SEGMENTS - #30/40 grit with arrow segments

Lasts a minimum of 2,000% (20X) longer and outperforms traditional grinding wheels in all ways

Core bonding technology; maintains diameter, lasts longer and cuts faster with low odor and debris

Accesses hard-to-reach areas

100% brand new and high quality

Diamond coating surface: almost 95%, only one side is diamond coated

Polishing Rounds Mainly used for polishing Crystal, Agate, Jewel and Jade, and suitable to grind and polish jewelry, glass, rock, etc