Our 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 pads that best suits your specific grinding and finishing application. Standard Abrasives™ quick-change disc pads come with one of three quick-change attachment styles. Attachment styles include TS, TR and TP. TS 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 hub. Each of the attachment styles allows easy swap out of discs with a speedy quarter turn. Our Standard Abrasives™ quick-change disc pads are available with or without mandrels. Some TS and TR holder pads come with an attached 1/4 in Dia TA4 mandrel. Others come with an attached 6 mm diameter TA6 mandrel. TP disc holders come with the TA4 mandrel attachment only. Disc pads are also available without mandrels, so users can select a mandrel of their choice for their application. Holders without an attached mandrel feature a 1/4-20 female thread interface for mandrel attachment. Once the mandrel is attached, users typically fasten the disc pad/mandrel assembly to a rotary tool or die grinder. The Standard Abrasives™ brand has supplied quality abrasives to the metalworking industry for over 50 years. Customers rely on our broad offering of high performance products including coated, bonded and non-woven abrasive lines.