IN
High-tensile fasteners ensure mechanical joint integrity under severe vibration, thermal expansion, and cyclic stress. Cold-forged and hot-headed construction optimizes internal grain flow, preventing head separation and thread stripping under maximum torque. Rolled threads deliver higher fatigue resistance and smoother engagement compared to cut threads. Protective zinc plating, hot-dip galvanizing, or fluoropolymer coatings shield the fasteners against atmospheric corrosion and galling during installation. Every fastener batch undergoes stringent proof load and hardness testing to verify compliance with international load-bearing standards.
| Key Attributes | |
|---|---|
| Product Categories | Hex Bolts, Studs, Socket Head Cap Screws, Nuts, Washers, Threaded Rods |
| Thread Types | Metric Coarse/Fine, UNC, UNF, BSW, Acme Precision Threads |
| Property Classes (Steel) | Grade 4.8, 8.8, 10.9, 12.9 (Metric) / Grade 2, 5, 8 (Imperial) |
| Stainless Steel Grades | A2-70 (304), A4-80 (316), B8/B8M Class 1 & Class 2 |
| Size Range | M3 to M100 Diameter | Lengths up to 1000 mm |
| Surface Coatings | Zinc Plated, Hot-Dip Galvanized, Cadmium, Fluoropolymer/PTFE |
| Washer Types | Flat Plain Washers, Spring Lock Washers, Wedge-Lock Anti-Vibration Washers |
| Additional Information | |
|---|---|
| Country of Origin | India |
Securing structural steel connections, bridges, building frames, and crane gantry girders.
Assembling heavy industrial machinery, automotive engines, gearboxes, and pumps.
Joining high-pressure pipe flanges, valves, and pressure vessels in processing plants.
Mounting wind turbine tower segments, solar panel arrays, and electrical substations.
Installing railway tracks, locomotive bogies, and commercial transport chassis.
Tamil Nadu, IndiaClass 8.8 bolts offer a minimum tensile strength of 800 MPa, whereas Class 10.9 high-tensile bolts deliver 1000 MPa tensile strength for heavy-duty structural applications.
Rolled threads are burnished cold, creating continuous grain flow lines and work-hardened root flanks that resist fatigue cracking under cyclic load conditions.
A spring washer provides continuous spring tension against the fastener head, maintaining friction grip and resisting minor counter-rotation caused by mechanical vibration.
ASTM A193 Grade B7 covers chromium-molybdenum alloy steel stud bolts designed for elevated temperature and high-pressure valve and flange service.
PTFE coatings provide outstanding chemical corrosion resistance, low frictional torque during tightening, and prevent thread galling on stainless steel fasteners.
Shipping fee and delivery date to be negotiated. Contact supplier now for more details.
Tamil Nadu, India
