
DIN 960/961 Hastelloy Fasteners C276 Inconel Monel DIN 933 DIN934 304 316 A2 Hexagon Stainless Steel Hex Bolts and Nuts. 30 Years Manufacturer Experience: Professional manufacturer with 30 years of industry experience and competitive pricing. OEM/ODM Customization: Accepts OEM and ODM orders with customized lead times of 30-60 days. Strict Quality Control: Professional QC team inspects every item from production to packaging to ensure quality. Wide Material & Grade Range: Offers various steel grades including DIN Gr.4.6-12.9 and SAE Gr.2, 5, 8. Multiple Surface Treatments: Available finishes include Zinc plating, Black oxide, HDG, Geomet, and Dacroment. Fast Delivery Service: Normal delivery takes 30-35 days after deposit; off-season lead time within 15 workdays. Free Sample Available: Provides free samples for standard fasteners to test and check quality before ordering. ISO Certified Factory: Certified with ISO45001:2018 and ISO14001, with 18 production lines and 5 QA inspectors.