VEVOR Flap Discs 40 Grit, 4-1/2″ x 7/8″ Flap Discs for Angle Grinder, Type 29 Zirconia Flap Sanding Disc, Bevel Type Abrasive Grinding Wheels for Deburring, Rust Removal, Sanding, Finishing (10 Pack)

Industrial-Grade Zirconia with 72-Flap Construction for Maximum Durability

Its high hardness and wear resistance make industrial-grade zirconia ideal for long grinding processes that maintain high cutting efficiency. The 72-piece flap arrangement creates overlapping abrasive layers that remove material consistently throughout the disc’s lifetime. The fiberglass backing plate and resin-fiber bonding provide a strong structure that prevents the flaps from separating under heavy use.

With this 40 grit flap disc’s tightly bonded design, the flaps remain in place even at high speeds or under heavy loads. Zirconia abrasive doesn’t dull and stays sharper longer than aluminum oxide. This means that it lasts longer and needs fewer disc changes.

Coarse 40 Grit Flap Disc Rating with Evenly Distributed Abrasive for Efficient Stock Removal

For heavy-duty grinding, deburring, rust removal, and initial surface preparation, the 40 grit standard is perfect because it removes material quickly and aggressively. Compared with discs with uneven coatings, evenly distributed abrasive particles produce a consistent cutting action, resulting in smoother finishes. The structure of the coarse grit keeps the cutting efficiency while preventing loading during heavy grinding.

These flap discs are 40-grit, which means they can remove substantial material from ferrous metals, alloy steels, composites, and hardwoods. The even distribution of abrasives ensures consistent wear patterns, extending the disc’s service life and maintaining stable grinding performance throughout its useful life.

Professional Type 29 Bevel Design Optimized for 5–15° Working Angle.

The 5–15° beveled angle of the Type 29 configuration enables greater surface contact during grinding. This beveling method works well on flat and curved surfaces, welded seams, and complex-shaped workpieces. The angled face provides the best grinding shape for finishing edges, cutting corners, and creating radii.

The 5° to 15° working angle allows you to work on flat, curved, angled, and concave-convex surfaces without moving the disc or changing its position. This 40-grit flap disc’s bevel shape ensures smooth cuts along edges and corners, which regular flat discs can’t achieve.

High-Speed 13,300 RPM Maximum Rating with 4.5-Inch Universal Diameter

At its fastest rated speed of 13,300 RPM, the disc can quickly remove material while operating safely and in compliance with manufacturer standards. For detailed work, the 4.5-inch (115mm) diameter is the best compromise between disc size and agility. The 7/8-inch (22mm) arbor size ensures compatibility with standard angle grinders.

The 13,300 RPM speed allows for efficient grinding in production settings where speed affects output. Angle grinders from major brands such as DEWALT, Milwaukee, Makita, BOSCH, Metabo, Ryobi, Black & Decker, Kobalt, Craftsman, Skil, Porter Cable, and Ridgid commonly use 4.5-inch or 5-inch discs.

Durable fiberglass backing plate reinforced with a resin fiber bonding system

The fiberglass backing plate design protects against impact and maintains the disc’s shape, even under aggressive grinding. The resin fiber gluing provides a strong bond between the 72 abrasive flaps and the backing plate, preventing premature separation. While the load is applied, the backing keeps the surface flat by absorbing operational vibration.

The 0.15-pound (0.07 kg) weight per disc provides the cutter with solid construction without adding enough weight to throw off balance or tire the user.

Value-Focused 10-Pack 40 Grit Flap Disc Configuration for Extended Project Coverage

The 10-disc set offers complete coverage for long-term projects at a reasonable price. The multi-pack format helps prevent stockouts during a job and lowers the per-unit cost compared to buying a single disc. Standardized packaging keeps discs in good condition during storage and shipping.

For project-based work and production settings that require frequent disc changes, the 10-pack is the right size. This 40 grit flap disc set comes in a bulk package that saves you money and ensures you have enough discs to finish large grinding jobs.

Multi-Material Versatility Across Metal, Wood, Stone, and Composite Applications

Metal polishing, rust removal, weld seam preparation, concrete finishing, deburring, wood grinding, stone processing, vessel upkeep, composite handling, and pipeline finishing are just some of the grinding jobs that these discs can do. The zirconia abrasive can cut through many materials without requiring a disc change, and the Type 29 form can accommodate a variety of workpiece shapes.

The 40 grit flap disc works well for tasks that require removing a lot of material and leaving a fairly smooth surface. The coarse grit removes the first layer of stock and leaves surfaces that can be finished later or used directly when a rough surface is okay.

Universal Angle Grinder Compatibility with Major Brand Names

With a 4.5-inch width and a 7/8-inch arbor, this attachment works with angle grinders from major brands. The standard sizes are compatible with both 4.5-inch and 5-inch grinders, without requiring adapters or other modifications. The universal fit eliminates compatibility issues across brands and equipment types.

The standard arbor size fits directly onto grinder spindles without requiring any special tools, and the disc diameter is large enough for most grinding jobs. These discs are compatible with DEWALT, Milwaukee, Makita, BOSCH, Metabo, Ryobi, Black & Decker, Kobalt, Craftsman, Skil, Porter Cable, and RIDGID angle grinders, making them suitable for most workshop tools.