Learn how to choose the right hex bolt for your application. This video explains key bolt specifications, including bolt size, diameter, length, thread type, material, strength grade, fastener standards and surface finish. Learn how to select carbon steel bolts, alloy steel bolts and stainless steel bolts in common grades such as 4.8, 8.8, 10.9, 12.9, A2-70 and A4-80, with DIN, ISO and ASTM standards and finishes such as zinc plated, hot dip galvanized and black oxide.

MALAXY is a professional bolt and fastener manufacturer with its own factory in China, supplying high-quality hex bolts and industrial fasteners to wholesalers, distributors, contractors, builders and industrial buyers worldwide. With ISO 9001:2015, CE, REACH and RoHS certifications, MALAXY provides reliable quality, customized specifications and professional fastener solutions for global customers.