10-Pack SAE D Woodruff Keys - 5/16" X 1 1/4" Half Moon Steel Keys For Machinery & Equipment

Need a solid, reliable woodruff key for your machinery project? This 10-pack has got you covered. These are SAE D size half-moon keys, made from tough C-1035 steel with a tensile strength of 72,000 PSI. The dimensions are spot on: 5/16 inch wide by 1 1/4 inches long, with a height of 0.5310 inches. They've got a plain finish and a Rockwell hardness of B90, so they're built to handle the pressure without shearing. Perfect for all sorts of applications where you need a key to secure a gear or pulley on a shaft – think lawn mower engines, industrial equipment, automotive repairs, you name it. Having a 10-pack means you've got spares for future jobs or in case one gets damaged. They're made in the USA, so you know the quality is consistent. A must-have for any mechanic's or machinist's toolbox.