Best Medium Flap Discs in 2026

Size:100mm x 16mm（4''x5/8''), For use on an Angle Grinder

Designed for grinding, blending, sanding and finishing on a wide range of material. Especially suitable for stainless steel also great for mild steel. Flap discs sanding wheel are used to grind rough workpiece surfaces, fast grinding, such as valve castings, angle irons, steel plates, welds, weld scars, rust removal, deburring, etc.

Premium high density calcined aluminum is characterized by hard-wearing,long life. The type 27 Abrasive grinding wheels are made with a fiberglass backing plate that effectively absorbs vibrations without smear during usage, bringing more stable and efficient grinding.

Size:100mm x 16mm（4''x5/8''), For use on an Angle Grinder.

Designed for grinding, blending, sanding and finishing on a wide range of material. Especially suitable for stainless steel also great for mild steel. Flap discs sanding wheel are used to grind rough workpiece surfaces, fast grinding, such as valve castings, angle irons, steel plates, welds, weld scars, rust removal, deburring, etc.

Premium high density calcined aluminum is characterized by hard-wearing,long life. The type 27 Abrasive grinding wheels are made with a fiberglass backing plate that effectively absorbs vibrations without smear during usage, bringing more stable and efficient grinding.

Size:100mm x 16mm（4''x5/8''), For use on an Angle Grinder.

Designed for grinding, blending, sanding and finishing on a wide range of material. Especially suitable for stainless steel also great for mild steel. Flap discs sanding wheel are used to grind rough workpiece surfaces, fast grinding, such as valve castings, angle irons, steel plates, welds, weld scars, rust removal, deburring, etc.

Premium high density calcined aluminum is characterized by hard-wearing,long life. The type 27 Abrasive grinding wheels are made with a fiberglass backing plate that effectively absorbs vibrations without smear during usage, bringing more stable and efficient grinding.

Premium high density calcined aluminum is characterized by hard-wearing,long service life. Resin fiber construction with fiberglass backing plate absorbs vibration without smear during use, bringing more stable & efficient grinding.

This angle grinder attachments grinding disc is designed to grind, blend, sand and finish on a wide range of material. Especially suitable for stainless steel also great for mild steel. 320 grit fine flap disc grinder disc is ideal for finishing work on surfaces like wood. NOTICE: Please Wear Protective Equipments Before Use!

Size:115mm x 22mm(4 1/2 x 7/8 inch) ,Type 29, For use on an Angle Grinder. Flat Type #29 flap sanding disc sanding grinding wheels, 13300RPM maximum speed. Easy to install and wide compatibility

▲ Package includes ：A total of 41pcs. 7 different grit with 7 various colour and every grit has 5 pieces for different needs. Green-80 grit, Blue-120 grit, Red-220 grit, Gray Blue-400 grit, Purple-600 grit, Light Green-1000 grit,Gray 2000 grit ，+ 3pcs 3 mm Mandrel+ 3pcs 2.35 mm Mandrel

▲ Feature ：Radial bristle disc is a new type of abrasive brush that is superior to sandpaper, wire brush, flap wheels, or other types of sanders, brushes, or abrasive wheels. Molded, abrasive-filled bristles wheel can deburr, blend, finish, polish, clean, and remove coatings more effectively with no harm on the surface.

▲Application ：The detail polishing discs mainly suit for deburring, cleaning, finishing, machining and polishing detailed parts, tiny areas and irregular places, like Fruit pit carving,woodcarving

【Unique Design】This SI FANG upgrade U-shaped flap disc is different from the traditional T27/T29 flap disc, the radial structure shape allows precise grinding of fillet welds and repair applications. The R angle of the 4-inch flap disc can not only be ground on flat and curved surfaces, but also in difficult-to-grind locations such as welds.

【Wide Range of Use】60 grit curve flap wheel flapper wheel are the best choice for power cutting and can be used for contour and edge work, and their angled flaps provide greater surface contact. Mold repair of iron and non-ferrous metals, stainless steel plates, angle steel, stone and plastics, as well as grinding of welding seams, weld marks, and burrs of stamping parts.

【High Cost Performance】Zirconia Abrasive Angle Grinder Sanding Disc allows a continuous supply of the sharpest cutting edges and provides the fastest cut as well as the best utilization of the entire grit for the longest life.