The Grade 5 Hex Bolt UNC Plain is a dependable hex bolt from Hobson — Australia's leading fastener specialist.Where this product is usedHobson hex bolts are a staple of heavy industry, used wherever a strong, reliable threaded connection is required. Structural steel fabrication and beam connections Plant and machinery assembly Civil and infrastructure projects Key specifications Thread Standard UNC Grade / Class Grade 5 Finish Plain Selecting the right optionChoose your Hobson hex bolt by thread standard (Metric, BSW, UNC, UNF), grade or class (4.6 for general structural, 8.8 for high-tensile, 10.9 and 12.9 for critical joints), and finish (zinc plated for general use, hot-dip galvanised for outdoor and wet environments). Match the diameter and length to your design load and joint thickness. Contact the AIMS team if you need help selecting to an AS/NZS standard or engineer specification.
