1 1/2 Unc Unf HDG Black Oxide Phosphate Class8.8 B7 B7m L7 L7m Stud Bolt

1 1/2 Unc Unf HDG Black Oxide Phosphate Class8.8 B7 B7m L7 L7m Stud Bolt. Wide Material Range: Supports Carbon Steel, Stainless Steel, Alloy Steel, and special materials for extreme environments. Extensive Size Coverage: Sizes range from M3 to M150, with lengths from 5mm to 12 meters to meet diverse needs. Professional OEM/ODM: Offers full customization services including design, samples, and non-standard fastener production. Strict Quality Control: Full-process inspection with third-party reports (SGS) and advanced testing equipment available. Global Certification: Products certified with ISO 9001, CE, RoHS, and SGS to meet international export standards. Fast Response Time: Business representatives reply within one hour and provide quotations within 24 hours. Flexible Payment Terms: Accepts T/T, L/C, PayPal, and Alipay International escrow for convenient transactions. Large Production Capacity: 15 production lines with an annual capacity of 35,000 tons to support large-scale orders.