1/2-13 x 3/4 Serrated Hex Flanged Washer Full Thread Grade 5 w/Head Markings Zinc 7-16 They have a 6-lobe drive

They have a 6-lobe drive and a pan head

These 10-12 x 3 Indented Hex Head Unslotted Self Tapping Screws Type A Fully Threaded Zinc are designed for use in a variety of applications

Its 10-32 thread size and 7/16-inch length provide a secure hold in various materials

These screws are fully threaded for maximum holding power and come in a variety of lengths to suit your specific needs

This 10-24 x 3 1/2 Phillips Round Machine Screw is fully threaded and made of zinc

1/2-13 x 3/4 Serrated Hex Flanged Washer Full Thread Grade 5 w/Head Markings Zinc 7-16 They have a 6-lobe driveThe 1 2 13 x 3 4 Serrated Hex Flanged Washer Full Thread Grade 5 w Head Markings Zinc is a high strength fastener designed for use in a variety of applications. It features a 1 2 13 thread size, a 3 4 inch flange diameter, and a serrated surface for added grip. The washer provides a large bearing surface to distribute the load and prevent damage to the mating surface. The full thread design allows for maximum thread engagement and strength. The Grade