Standard Abrasives Quick Change Disc Pad Standard Abrasives Quick Change Disc Pads, also called Holder Pads, allow you to rapidly change Standard Abrasives quick change discs (sold separately) during multi-step projects A wide range of sizes and densities are available, ensuring that you can find the pad(s) that best suits your specific grinding and finishing application. Product Information Brand 3M Part # 7010369338 Line Standard Abrasives Origin Country USA Extra Product InformationThree Attachment Types: TS, TR, TP: Standard Abrasives Quick Change Disc Pads come with one of three quick change attachment stylesAttachment styles include TS, TR and TPTS is a standard metal-to-metal attachment style, TR is a 3M Roloc style nylon threaded male hub, and TP is a snap-on/snap-off nylon fastening hubEach of the attachment styles allows easy swap out of discs with a speedy quarter turn Choosing a Mandrel: Our Standard Abrasives Quick Change Disc Pads are available with or without mandrelsSome TS and TR holder pads come with an attached 1/4-inch diameter TA4 mandrelOthers come with an attached 6 mm diameter TA6 mandrelTP disc holders come with the TA4 mandrel attachment onlyDisc pads are also available without mandrels, so users can select a mandrel of their choice for their applicationHolders without an attached mandrel feature a 1/4-20 female thread interface for mandrel attachmentOnce the mandrel is attached, users typically fasten the disc pad/mandrel assembly to a rotary tool or die grinder Which Density is Best?: Different densities signal varying levels of flexibility of the disc padSoft density disc pads are most flexible, and are typically reserved for fine grade abrasive products used in finishing and contouring applicationsMedium density disc pads are typically used for general purpose type workHard density disc pads are the most rigid, and are typically reserved for coarse grade abrasive products used in weld grinding and stock removal applications Altogether, Standard Abrasives Disc Pads allow for quick and easy disc attachment and removal, enhancing productivity and adding efficiency to your industrial applications Quality Standard Abrasives Solutions for Industrial Applications: The Standard Abrasives brand has supplied quality abrasives to the metalworking industry for over 50 yearsCustomers rely on our broad offering of high performance products including coated, bonded, and non-woven abrasive lines.Product InformationAccommodates each of the three Standard Abrasives attachment systems: TS, TR, TPAvailable in a range of densities, pads can be tailored to meet unique project needsDisc pads can attach to mandrels of varying lengths to enable access to different areas of the workpieceEasy-on / easy-off quick change attachment systems help enhance productivitySmooth face provides snag-free grinding and finishing of the workpiece