1/4-20 x 2 1/4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc SNPP188 The 7/16-14 x 4 Hex

The 7/16-14 x 4 Hex Cap Screw Grade 5 Zinc is a high-quality fastener designed for use in a variety of applications

these washers are mechanically zinc-plated for superior corrosion resistance

and is Type A

Made from high-quality steel and coated with a protective zinc yellow finish

The undercut design helps to prevent the screw from loosening

1/4-20 x 2 1/4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc SNPP188 The 7/16-14 x 4 HexThe 1 4 20 x 2 1 4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc is a versatile fastener designed for secure and durable connections. Its 1 4 20 thread size ensures compatibility with standard 1 4 inch bolts, while the 2 1 4 inch length provides ample grip for various applications. The serrated hex flange washer head features sharp teeth that bite into the mating surface, preventing the screw from loosening due to vibration or movement.