Fastening type

  • Adhesive Backed

    Adhesive-backed, pressure-sensitive adhesive, or PSA fastenings have a pre-applied, press-on adhesive

  • Glue On

    Glue-on refers to discs with no other fastening type, where the end user applies their own adhesive

  • Hook and Loop

    Hook and loop fastenings use a press-on mechanical fastener to adhere the disc to its back up pad.

  • Mandrel Mounted

    Mandrel-mounted fastening type indicates a disc or wheel which comes from the manufacturer mounted on a mandrel

  • Metal Hub Quick Change (Asymmetrical)

    Metal hub quick-change (asymmetrical) discs have central hubs that require a quarter of a turn to lock, and mount to Norton TS, 3M Roloc TS and TSM, or Standard Abrasives SocAtt back-up pads. These types of hubs are typically used on cloth-backed sanding discs. Symmetrical metal hub quick-change fastenings are not compatible with asymmetrical holders and vice-versa

  • Metal Hub Quick Change (Symmetrical)

    Metal hub quick change (symmetrical) fastening type discs have central hubs that require a quarter of a turn to lock, and mount to Norton rubber back-up pads. These types of quick-change fasteners are typically used on fiber discs. Symmetrical metal hub quick-change fastenings are not compatible with asymmetrical holders and vice-versa

  • Metal Three Finger Quick Change

    Metal three-finger quick-change hubs refer to a hub with metal tabs around the central hole that twist on to lock.  These hubs are commonly used on Norton AVOS (Allows View of Surface) fiber discs

  • Plastic Snap On Quick Change

    Plastic snap-on quick-change discs have a snap-on central hub that press in to lock, and mount to Norton TP or 3M Roloc TP back up pads

  • Plastic Thread Quick Change

    Plastic thread quick-change fastening type discs have threaded central hubs that require two-and-a-half turns, and mount to 3M Roloc TR or Norton TR back up pads

  • Round Hole

    Round hole fastening type describes the central hole in a sanding disc, cutoff wheel, or similar, where the tool's arbor goes through the hole in the disc or wheel and is held on by a pair of washers and a nut. Depending on the item held onto the tool by a round hole, there may be a backing pad that also has a central round hole

  • Threaded Hole

    Threaded hole fastening type indicates a disc with a female-threaded central hole that twists on to connect