
Grade 8.8 High Tensile Hex Head Bolts with Black Oxidation. High Tensile Strength: Available in Grade 8.8, 9.8, 10.9, and 12.9 for superior durability. Black Oxide Finish: Provides excellent corrosion resistance with a professional black appearance. Versatile Standards: Complies with DIN, ANSI, GB, JIS, and BSW international standards. OEM/ODM Support: Accepts OEM and ODM orders for large quantities at no extra charge. Free Samples: Free product samples available; customer covers shipping costs. Fast Delivery: Quick shipping available for regular products due to large inventory. Customization Options: Offers full, minor, and flexible customization from designs. Competitive Pricing: Direct factory pricing with volume discounts for bulk orders.