Carbon Steel DIN931/DIN933 Grade 12.9 Hex Bolts & Nuts – Premium Fasteners for Heavy-Duty Applications
High-tensile Grade 12.9 carbon steel ensures exceptional strength and durability, ideal for extreme mechanical stress. Precision-machined hexagonal head (DIN931) and threaded shank (DIN933) guarantee secure, vibration-resistant fastening. Customizable sizes and threading for automotive, machinery, and industrial equipment. Corrosion-resistant finish extends lifespan in harsh environments. Bulk pricing available – wholesale quantities for manufacturers and global distributors. Trusted OEM-quality fasteners at unbeatable value. *Compatible with standard DIN nuts (sold separately).*