
Carbon Steel Bolts, ASTM F1852 A325 Torsional Shear Control Bolts, Tc Bolts, Tension Control Bolts M3-M110. Wide Material Range: Available in Carbon Steel, SS201, SS304, SS316, and various grades up to 12.9. Custom Manufacturing: Supports customization from samples, designs, and full bespoke specifications. Multiple Finishes: Options include Zinc, HDG, Black Oxide, Geomet, Dacroment, and Nickel plating. Free Samples: Free samples provided for standard fasteners under 1kg weight. Flexible Delivery: Stock items ship in 2-5 days; bulk orders take 10-30 days depending on season. Strict Quality Control: Stringent durability testing and adherence to DIN, ASTM, ANSI, and ISO standards. Professional Support: 10+ years experience with dedicated design team and factory visit opportunities. Secure Payment: Accepts T/T, L/C, D/P, PayPal, and Western Union for flexible transactions.