Socket Shoulder Screw Set Compatible Table Hole Size 5/8 in Compatible With Buildpro Welding Table Features 1/4 in Hex Wrench Can Hold and Position BuildPro Accessories and Other Components Flush Mount Includes Nut Washer Outside Diameter 1 in Overall Depth 0.9 in Overall Height 2.2 in Overall Width 0.9 in Product Type Connecting Bolt Thread Size 1/2 In.-13 Work Surface Pattern 5/8 in Hole