Key features

• •【12 Sizes Woodruff Key Assortment Set】 The Woodruff Key Repair Kits have 205pcs 12 sizes woodruff keys. All of the items are packed in a plastic box with a clear label for portable and convenient to store. Enough to satisfy your different requirements in mechanical industry.
• •【Common Sizes and Large Quantity】Contains many common sizes: 3x10x3.7mm/25pcs, 3x13x5mm/25pcs, 3x16x6.5mm/25pcs, 3x19x7.5mm/20pcs, 4x13x5mm/20pcs, 4x16x6.5mm/20pcs, 4x19x7.5mm/15pcs, 5x16x6.5mm/15pcs, 5x19x7.5mm/10pcs, 5x22x9mm/10pcs, 6x22x9mm/10pcs, 6x28x11mm/10pcs.
• •【Semi-circular Structure】These semi-circular keys are installed in the circular grooves on the shaft, mainly to fix the wheel or pulley to the main shaft on the hub. The semi-circular structure design can automatically adapt to the slope requirements, and moves with the hub along the key way on the shaft during operation, reducing the burden on the hub and improving the reliability of the key.
• •【Huge Function】 Semi-circle keys are usually used for shaft key sets of various equipment such as machine tools, pulleys, axles, replacement parts for landscape, garden equipment and lawn mowers, etc. They are often used in factories, workshop machines, etc, and are ideal for machine tool fastening pieces.