
Stainless Steel Carbon Steel Hex Head Bolts with Flat Spring Washers Assembly. Three-Piece Assembly Combines a hex head bolt, flat washer and spring washer into one convenient assembly. Pre-Assembled Design Components stay together during handling and installation, improving assembly efficiency. Hex Head Design Compatible with standard wrenches and sockets for easy tightening. Flat Washer Helps distribute the clamping load and protect the mating surface. Spring Washer Provides additional resistance against loosening under suitable fastening conditions. Multiple Material Options Available in stainless steel and carbon steel to meet different application requirements. Precision Threads Accurate thread dimensions ensure reliable fastening and smooth installation. Wide Applications Suitable for machinery, automotive, construction, equipment and industrial assembly.