3/8-16 x 1 1/2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc MPTBZ These 1/2-13 x 4 Heavy

These 1/2-13 x 4 Heavy Hex Structural Bolts are made of high-strength steel and are designed for use in heavy-duty structural applications

Made from hardened steel with a zinc-plated finish

The six-lobe (Torx) drive provides a secure grip for driving

* Black oxide coating for corrosion resistance

These 1/2-13 x 1 1/4 Heavy Hex Structural Bolts are designed for heavy-duty applications and meet the ASTM A325 specification

3/8-16 x 1 1/2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc MPTBZ These 1/2-13 x 4 HeavyThe 3 8 16 x 1 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 3 8 inch diameter and a 16 threads per inch pitch, providing a secure hold in various materials. The serrated hex flanged washer head prevents the screw from loosening due to vibration or movement, while the full thread design allows for maximum engagement with the mating material.