
Fasteners 1" Plain / Polished ISO4017 ASTM A320 Grade B8 B8m Stainless Steel Hex Bolts Heavy Hex Bolts with Nuts and Washers. 20+ Years Expertise: Over two decades of experience producing and exporting high-quality fasteners globally. Wide Customization: Custom lengths from 5mm to 12 meters, various threads, and finishes like PTFE. OEM/ODM Support: Acceptable OEM services with customization from samples, designs, or full customization. Fast Delivery: In-stock items ship in 3-7 days; custom orders take 14-30 days. One-Stop Procurement: End-to-end logistics including sea, air, land, and DDP door-to-door delivery. Extensive Material Range: Carbon steel, stainless steel, alloy steel, and special materials for extreme conditions. Global Service: Serving over 1,000 customers from 200+ countries with professional after-sales support.