3M Abrasive Disc Pad Holder, 9.19MM

Use with 7 inch diameter hook and loop discs. Use on right angle grinders and sanders such as the 3M electric variable speed polisher 28391. Has 5/16 inch thick foam and T hooks. Pads are designed to work with 3M surface conditioning products for better result. Hook and loop attachment. 3/8 inch Center hole diameter. White color. Converted form: backup pads, discs. Density rating: medium. 7 inch Diameter. Equipment - machines, disc sanders, right angle grinders, rotary sanders. Form type: fabricated. Front color: black. Hook type: 7. Maximum RPM: 6000. 0.31 inch Thickness. Thread size: 5/8 inch-11. From the Manufacturer The 3M Disc Pad Holder 917 with 5/8-11 internal threads and 5/16 inch foam is compatible with 7 inch 3M Scotch-Brite surface conditioning discs for use on a right angle grinder or sander. A 5/16 inch layer of foam on the holder cushions the disc for professional results on flat or contoured sanding applications. T-shaped hooks securely hold a surface conditioning disc and provide disc attachment, removal, and re-attachment easy. The hook-and-loop feature enables the disc to be used and re-used for the extent of the abrasive life. Discs are sold separately. Max RPM is 6,000. Scotch-Brite surface conditioning discs and light grinding/blending products (sold separately) deburr, clean, blend, and finish a wide variety of materials. Using surface conditioning products with a 3M disc pad holder generates finishes suitable for paint.