Two grab screws and installation instructions are included.
The keyway is a British metric BS4235: Pt 1: 1972 and complies with ISO recommendations. Where the keys are used, they must be side-mounted in parallel and must have clearance at the top. The keyway depth is measured in the center.
Taper Bush
Easy and quick fixing to the drive shaft with taper bushingCompatible with taper bush pulleys and sprockets Use unique 4-hole design to ensure accurate fit