功能

• 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