Best Coarse Grinding Discs in 2026

ASSORTMENT GRITS : 15pcs of each grit 320/400/600/800/1000/1500,5pcs of each grit 2000/3000/4000/5000/7000/10000 and 1 pack 5 inch 8 holes interface pads,can meet almost all of your general polishing requirements.

HIGH PERFORMANCE WET DRY ORBITAL SANDPAPER : 5 inch sanding discs are made with super coated silicon carbide abrasive on waterproof backing paper, for both wet and dry sanding.Providing maximum longevity and durability.

EXTRA INCLUDES 2 DUST-FREE BUFFING PAD : POLIWELL 5 inch interface pad (125mm) pre-punched with 8 holes for help clear dust from the work surface, 13mm Sponge for uneven surface polishing such as corner and edges. Protect against damage to backing pad. increasing sanding disc life.

✔ FIRST CHOICE - Premium Zirconia sandpaper with strong twist lock shank base, 3 kinds of common grits (36/60/80) to meet your various grinding requirements.

✔ TWO SHANKS - Quick change Roll Lock Disc Pad(TR/Type III) with 2 Pcs 1/4" shanks, Round/Hex shank can use with any air or electric drill, die grinder, and other rotary tools for the utmost sanding control.

✔ MORE APPLICATIONS - Its ideal for heavy grinding operations on hard materials (stainless steel).Perfect for home improvement whether it is for woodworking, carving, fabrication, construction or crafting; it even works on sanding any vehicle!

✔ FIRST CHOICE - Premium Zirconia sandpaper with strong twist lock shank base, 36 Grit roloc sanding disc provides durability and high performance for grinding on all metals.

✔ EASY TO USE - All it takes is one simple turn and the disc is securely locked onto the mandrel. Use with any air or electric drill, die grinder, and other rotary tools for the utmost sanding control.

✔ MORE APPLICATIONS - Its ideal for heavy grinding operations on hard materials (stainless steel).Perfect for home improvement whether it is for woodworking, carving, fabrication, construction or crafting; it even works on sanding any vehicle!

Outside diameter: 4" inch(100mm); Arbor hole: 5/8" (16mm); Thickness: 1.1mm; Grit: 320 Medium

Suitable to grinding gemstone, jewelry, carving knife, glass, rock, tile, etc

All diamond flat laps wheels have a 5/8" arbor hole, can be used in the angle grinder

Product Name: 6" flat lap disc, 6" diamond wheel, diamond lapping disc

Outside diameter: 6" inch (150mm); Arbor hole: 1/2" (12.7 mm); Thickness: 1.3mm; Grit: 60 (coarse)

Suitable to grinding gemstone, jewelry, glass, rock, carving knife, etc

Outside diameter: 4" inch(100mm); Arbor hole: 5/8" (16mm); Thickness: 1.1mm; Grit: 800 Fine

Suitable to grinding gemstone, jewelry, carving knife, glass, rock, tile, etc

All diamond flat laps wheels have a 5/8" arbor hole, can be used in the angle grinder

Outside diameter: 4" inch(100mm); Arbor hole: 5/8" (16mm); Thickness: 1.1mm; Grit: 3000 Fine

Suitable to grinding gemstone, jewelry, carving knife, glass, rock, tile, etc

All diamond flat laps wheels have a 5/8" arbor hole, can be used in the angle grinder

✔ FIRST CHOICE - Premium aluminum oxide sandpaper with strong roll lock shank base, 60 Grit die grinding sanding disc provides durability and high performance for grinding on all metals.

✔ EASY TO USE - All it takes is one simple turn and the disc is securely locked onto the mandrel. Use with any air or electric drill, die grinder, and other rotary tools for the utmost sanding control.

✔ FIVE APPLICATIONS - Perfect for home improvement whether it is for woodworking, carving, fabrication, construction or crafting; It even works on sanding any vehicle! It also works as a nice gift to your husband or uncle.

【SIZE】Shank Diameter x Head Diameter x Length : 3x10x55mm ; Grit:80#

【PREMIUM MATERIAL】 High quality aluminum oxide coated abrasive cloth provides a solid and durable grinding power combined with high efficiency and long life to give you that premium performance that you need and expect from your tools.

【METALWORKING APPLICATIONS】The mounted flap sanding wheels are commonly used in metalworking as a grinding or deburring wheel to clean up welds and cuts in iron, stainless steel and metal alloys. Also used for removing layers of rust and paint on flat metal surfaces.

【SANDING DISCS GRIT #800-#5000】QUANTITY - 40 PCS(8 kind of different discs grit each grit 5 PCS). GRIT - 800 1000 1200 1500 2000 2500 3000 5000 grit, each grit 5 PCS.

【SIZE】Diameter 5 inch(125mm), No hole, compatible for most 5 inch random orbital sanders and they are also suitable for manual sanding. 8 Kind of sanding grit could meet your different grinding and polishing needs.

【WET AND DRY SANDING】Made of high quality industrial grade waterproof silicon carbide and electro coated, they can suitable for both wet and dry using. And special anti-clog stearate coating designed to maximize resistance, prevent clogging and pilling.

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

【Multi-quantity Package】400 grit hook and loop gold sanding disc comes in 200 pieces per box, which is more suitable for customers who need large quantities on a daily basis, and it is more affordable than the smaller quantities in multi-packs.

【Premium Materials】This round orbital sanding pads are made from high quality fused aluminum oxide grain, it increases durability and sharpness, provides more efficient and long-lasting sanding. (Please be NOTED that: this product is NOT Recommended for wet sanding.)

【Craftsmanship】The developed binder improves the wear-resistance and softness for sanding discs, makes the sandpaper not easy breakable and more durable than other ordinary sandpaper in the market.

Large Quantity: the product has a total of 150 pieces of 2 inch 60 grit roll lock sanding discs set, which are very sufficient for daily use and replacement needs, you can also share with those in need

Quality Material: the quality mini aluminum oxide disc, shrill grinding, good polishing effect, giving you a better effect experience; Since quality material, die grinder sanding disc has excellent abrasion resistance and hardness; Powerful cutting function, can withstand high intensity cutting work; These 2 inch sanding discs are made with quality aluminium oxide abrasive grains, featuring active grinding aid prevents loading and reduces heat build up

Wide Range of Applications: round sanding discs are good choice for grinding or polishing metal as well as grinding wood, suitable for auto parts, construction machinery, home improvement walls, other metals and non metals, wood, rust burr, paint and so on

[High Quality]: This diamond polishing disc is made of premium metal with one side diamond coated, almost 95%. Features high hardness, wear resistance, and excellent impact resistance, well electroplating diamond particles provides long service life

[6 Different Diamond Polishing Disc]: There are six different diamond flat lap, they respectively are #80 #400 #600 #800 #1500 #3000. If you make coarse grinding use 80, 400 grit; if you make medium grinding use 600, 800 grit; if you make Fine grinding use 1500 grit; if you make polish grinding use 3000 grit

[Wide Range of Applications]: This diamond grinding disc is designed for cutting or sanding stones and glass. Especially great for jewellery lapidary making, such as: polishing crystal, agate, jewel and jade, etc.

What You'll Receive: the package contains 250 pieces of air grinder sanding discs, coming in 5 models, 50 pieces for each type, sufficient quantities and multiple models to meet your various grinding needs

5 Kinds of Grit: the drill sander attachments are available in 36 grits, 60 grits, 80 grits, 120 grits, and 240 grits, with different surface finish, the larger the particle size, the smoother the grinding; Each disc measures about 2 inches in diameter

Easy to Use: the surface conditioning tool features a thoughtful safety torque screw, which can be easily and quickly assembled and tightened with the grinding wheel holder; The knob installation design is convenient to replace the grinding head after consumption

【FUNCTION】 CBN grinding wheel is used for sharpening high-speed steel woodworking tools.

【APPLICATION】 This grinding wheel is suitable for most bench grinders. Idea for objects sharpening and contour grinding.

【PREMIUM MATERIAL】 Our diamond grinding wheels are coated with high density diamond. The high-quality diamond and durable steel base provide a long service life. No worry about deformed.

Product Name:Lapping Grinding disc Wheel Disk, No Hole Discs 120 Grit Coarse.

Outside diameter:12" inch (300mm), Grit:120 Coarse, Thickness:1.3mm

Arbor hole : No Center Hole , and completed filled with diamond including center position.

HIGH PERFORMANCE: Our 7" x 7/8" resin fiber aluminum oxide disc features a grit size of 60 which is coarse, great for tough jobs, and blending and welding metals. Built to handle the most strenuous metalworking applications, the fast cutting grain easily handles high-grade materials, such as lacquer & wood.

VERSATILE ABRASIVE MATERIAL: These fibre discs are made with a universally applicable aluminium oxide abrasive with a semi-robust cotton backing, which makes it ideal for levelling welds in chemical or food tanks. Because these discs adapt well to the workpiece, it also enables optimal results at low to medium contact pressures.

ATTENTION TO DETAIL: This product is coated onto a durable tear-resistant vulcanized fiber backing and adhered with a specifically engineered resin system and coated for hand-held application. The VSM Aluminum Oxide resin fiber discs give fast metal removal which helps reduce operator fatigue and increase operator productivity.

HIGH PERFORMANCE: Our 4 1/2" x 7/8" resin fiber ceramic disc features a grit size of 60 which is coarse, great for tough jobs, and blending and welding metals. Built to handle the most strenuous metalworking applications, the fast cutting grain easily handles high-grade materials, such as stainless steels, carbon steels, and wood.

SELF SHARPENING EFFECT: Our Ceramic abrasive's self sharpening effect results in an extremely high stock removal rate thanks to constant recreation of sharp grain points - for processing stainless steels, superalloys, and other high-density metals or for removing weld seams.

ATTENTION TO DETAIL: This product is coated onto a durable tear-resistant vulcanized fiber backing and adhered with a specifically engineered full resin bond system and coated for hand-held application. The VSM Ceramic resin fiber discs give fast metal removal which helps reduce operator fatigue and increase operator productivity.

RIGID DIAMOND MATERIAL: This diamond cutting piece not only has high hardness and excellent impact resistance, but also has excellent wear resistance and long service life.

APPLICABLE MATERIAL: This emery bowl is used to cut hard and brittle materials such as glass, ceramics, etc.

GOOD GRINDING EFFECT: Using this bowl-type grinding chip to cut hard and brittle materials such as glass, ceramics, marble, and metal circuit boards, you can provide clean edges and surfaces.

HIGH PERFORMANCE: Our 7" x 7/8" resin fiber ceramic disc features a grit size of 50 which is coarse, great for tough jobs, and blending and welding metals. Built to handle the most strenuous metalworking applications, the fast cutting grain easily handles high-grade materials, such as stainless steels, carbon steels, and wood.

SELF SHARPENING EFFECT: Our Ceramic abrasive's self sharpening effect results in an extremely high stock removal rate thanks to constant recreation of sharp grain points - for processing stainless steels, superalloys, and other high-density metals or for removing weld seams.

ATTENTION TO DETAIL: This product is coated onto a durable tear-resistant vulcanized fiber backing and adhered with a specifically engineered full resin bond system and coated for hand-held application. The VSM Ceramic resin fiber discs give fast metal removal which helps reduce operator fatigue and increase operator productivity.

HIGH PERFORMANCE: Our 4 1/2" x 7/8" resin fiber aluminum oxide disc features a grit size of 36 which is coarse, great for tough jobs, and blending and welding metals. Built to handle the most strenuous metalworking applications, the fast cutting grain easily handles high-grade materials, such as lacquer & wood.

VERSATILE ABRASIVE MATERIAL: These fibre discs are made with a universally applicable aluminium oxide abrasive with a semi-robust cotton backing, which makes it ideal for levelling welds in chemical or food tanks. Because these discs adapt well to the workpiece, it also enables optimal results at low to medium contact pressures.

ATTENTION TO DETAIL: This product is coated onto a durable tear-resistant vulcanized fiber backing and adhered with a specifically engineered resin system and coated for hand-held application. The VSM Aluminum Oxide resin fiber discs give fast metal removal which helps reduce operator fatigue and increase operator productivity.

HIGH PERFORMANCE: Our 5" x 7/8" resin fiber aluminum oxide disc features a grit size of 36 which is coarse, great for tough jobs, and blending and welding metals. Built to handle the most strenuous metalworking applications, the fast cutting grain easily handles high-grade materials, such as lacquer & wood.

VERSATILE ABRASIVE MATERIAL: These fibre discs are made with a universally applicable aluminium oxide abrasive with a semi-robust cotton backing, which makes it ideal for levelling welds in chemical or food tanks. Because these discs adapt well to the workpiece, it also enables optimal results at low to medium contact pressures.

ATTENTION TO DETAIL: This product is coated onto a durable tear-resistant vulcanized fiber backing and adhered with a specifically engineered resin system and coated for hand-held application. The VSM Aluminum Oxide resin fiber discs give fast metal removal which helps reduce operator fatigue and increase operator productivity.

HIGH PERFORMANCE: Our 5" x 7/8" resin fiber ceramic disc features a grit size of 36 which is coarse, great for tough jobs, and blending and welding metals. Built to handle the most strenuous metalworking applications, the fast cutting grain easily handles high-grade materials, such as stainless steels, carbon steels, and wood.

SELF SHARPENING EFFECT: Our Ceramic abrasive's self sharpening effect results in an extremely high stock removal rate thanks to constant recreation of sharp grain points - for processing stainless steels, superalloys, and other high-density metals or for removing weld seams.

ATTENTION TO DETAIL: This product is coated onto a durable tear-resistant vulcanized fiber backing and adhered with a specifically engineered full resin bond system and coated for hand-held application. The VSM Ceramic resin fiber discs give fast metal removal which helps reduce operator fatigue and increase operator productivity.

What You'll Get: : 100 pcs 320 grit 6-inch PSA sanding disc.Perfect discs for sanding orbital sanders、DA Sander.

Used on Wood, Metal, or Plastic: Tough fracture-resistant adhesive backed sandpaper sheets are designed for grinding, shaping, deburring, blending, and finishing wood, rubber, plastic, stone, or metal surfaces.

Strong Adhesion: Self Stick Sandpapers has good adhesion. Easy on. No Slip. It also for dry and has long lasting time. Strong pressure-sensitive adhesive allows sand paper discs to attach easily to your Random Orbital Sanders or DA sanders.