Fastening type

  • 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.

  • Round Shank

    Round shank fastening type indicates a disc or wheel which comes from the manufacturer mounted on a round shank.

  • Threaded shankThreaded Shank fastening type is a disc with a male-threaded shank that twists to connect to a power tool.