1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake M5 Its 3/4-10 thread size and

Its 3/4-10 thread size and 2 1/2-inch length make it ideal for a wide range of projects

meaning they do not have a coating or finish

6mm thread pitch

this carriage bolt is suitable for use in construction

5/16-18 x 2 Hex Tap Bolt Grade 8 Fully Threaded Plain is a high-strength fastener designed for demanding applications

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake M5 Its 3/4-10 thread size andThese 1 4 20 Serrated Flange Hex Lock Nuts are made of case hardened HR15N steel and feature a black zinc and bake finish. They have a serrated flange that helps to prevent loosening and a hex head for easy installation. These lock nuts are ideal for use in a variety of applications, including automotive, construction, and manufacturing. They meet the specifications of ASTM A563 Grade C and are RoHS compliant.