
Reliable Heavy Hex Bolts for Steel Framework Connections. Wide Material Selection: Available in Stainless Steel, Carbon Steel, Alloy Steel, and other special alloys. Multiple Surface Treatments: Options include Zinc Plated, Black Oxide, Nickel, Chrome, and Hot Dip Galvanizing. Custom Manufacturing: Supports production based on customer drawings, samples, or technical requirements. Strict Quality Control: 100% QC test with dimensional and mechanical property verification for stability. Certified Quality: ISO9001, CE, SGS, and BV certifications ensure compliance for infrastructure projects. Flexible Packaging: Customizable packaging with cartons, pallets, or wooden cases to suit logistics needs. Fast Sample Service: Free samples available for standard items; customized samples upon drawing confirmation. Versatile Applications: Ideal for steel structures, machinery, oil & gas, wind energy, and automotive industries.