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- Price :negotiated
Hex Bolt , Iran
- Price :To negotiate
- order by whatsapp
The hex head bolt DIN 931/933 is a standardized mechanical fastener used in metal structures, machinery, and industrial equipment. DIN 931 bolts have partial threads, while DIN 933 bolts are fully threaded. Diameter typically ranges from M6 to M36, with lengths from 20 to 200 mm. Made from carbon steel with heat treatment or stainless steel A2/A4, tensile strength ranges from 400–900 MPa. The hex head, with standard height, allows fast installation with manual or power wrenches.
Threads are manufactured according to DIN standards for precise, uniform connections with nuts. Galvanized, chrome, or epoxy coating enhances corrosion, moisture, and wear resistance. Hex bolts DIN 931/933 are suitable for bridges, foundations, metal structures, and industrial machinery. Mechanical design and protective coating extend service life, reduce maintenance, and ensure structural safety.You can order and buy Hex Bolt from Iran by contacting us through whatsaap and email.
WEBSITE: Hex Bolt Iran
Service Life and Maintenance of DIN 931/933 Hex Bolts in iran
The service life of DIN 931/933 hex bolts depends on material, mechanical strength class, and environmental conditions. Steel bolts with class 8.8 provide safe operation for 10–15 years in non-corrosive environments, while stainless steel 304 or 316 can last up to 20 years in humid and industrial settings. To extend durability, maintenance includes lubricating threads with anti-corrosion grease, periodically checking tightness and load, and avoiding overloading. Storing bolts in dry, ventilated conditions, preventing contact with corrosive chemicals, and inspecting galvanization coatings periodically increases service life.
