... can come fully or partially threaded depending on the bolt type. Common bolt head types include: hex,Website:http://www.petrosteels.com, ... flange, button and flat heads. Various bolt drives include: socket, hex ... 1-1/2 - 8UNCStainless Steel A193 B8/A194 8 Hexagon Head Bolt with Nut, M16 X 60mm Length, M16, 60mmFull Thread Stud ...