5/16-18 x 3 1/2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc KPUBZ This 1/4-20 x 1 Hex

This 1/4-20 x 1 Hex Cap Screw Grade 5 Zinc is a high-quality fastener designed for a variety of applications

The washer has head markings that indicate its size and grade

while the full thread design provides maximum holding power

it features a hex head for easy driving and a fully threaded body for maximum holding power

ensuring long-lasting durability and performance

5/16-18 x 3 1/2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc KPUBZ This 1/4-20 x 1 HexThis 5 16 18 x 3 1 2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc is a versatile and durable fastener designed for a wide range of applications. It features a serrated hex flange head that provides a secure grip and prevents loosening, while the full thread allows for maximum holding power. The case hardened zinc plating provides excellent corrosion resistance, making it suitable for both indoor and outdoor use. The screw is ideal for