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ensuring long-lasting durability and performance
The washer has head markings that indicate its size and grade
It has a serrated flange that bites into the surface of the material it is being used with
They have a hex head for easy driving and are designed for use in a variety of applications
The coarse thread provides strong holding power in drywall and other soft materials
5/16-18 x 3 1/2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc KPUBZ ensuring long-lasting durability and performanceThis 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
