FASTENER KIT
ROYSONS is a leading manufacturer and supplier of high-strength Fastener Kits (Bolts, Nuts, and Washers), headquartered at its registered office in Kolkata, West Bengal, India. Engineered specifically for secure cable tray assembly and accessory integration, our fastener kits ensure structural rigidity, vibration resistance, and long-term joint integrity. Manufactured to stringent quality specifications, ROYSONS Fastener Kits facilitate rapid field installation while maintaining continuous electrical grounding and exceptional corrosion protection across demanding industrial environments.
High Tensile & Torque Strength
Precision-threaded bolts and nuts designed to deliver high clamping force, preventing joint loosening under thermal expansion and industrial equipment vibration.
Superior Anti-Corrosion Coating
Available in Hot-Dip Galvanized, Stainless Steel (SS 304/316), and Zinc Plated finishes to prevent rusting and galvanic corrosion in harsh environments.
Complete Assembly Compatibility
Supplied as coordinated sets featuring smooth-neck carriage bolts, flange nuts, and lock washers for seamless splice plate and accessory installation.
ADVANCED PRODUCT CAPABILITIES
High Tensile & Vibration Resistance
Engineered to maintain maximum clamping force and structural joint integrity under severe thermal expansion, structural shifts, and dynamic equipment vibration.
Corrosion-Resistant Protective Coatings
Available in Hot-Dip Galvanized Iron, SS 304 / SS 316, and High-Grade Electro-Zinc Plating to prevent rusting and galvanic degradation in harsh industrial environments.
Continuous Electrical Ground Bonding
Precision-machined thread engagement ensures tight metal-to-metal contact, preserving continuous low-resistance electrical grounding across connected splice plates.
Universal Component Kit Set
Supplied in pre-matched sets containing smooth smooth-neck carriage bolts, serrated flange nuts, and lock washers for rapid, standardized field assembly.
DIN & ISO Industrial Compliance
Manufactured in full accordance with international DIN/ISO mechanical fastener standards and NEMA VE 1 specifications for heavy-duty tray routing.
TECHNICAL SPECIFICATIONS
| Specification Parameter | Technical Details & Standard Values |
|---|---|
| Product Category | Cable Tray Accessories & Hardware Kits |
| Product Name | Fastener Kit (Bolts, Nuts, and Washers) |
| Manufacturer & Supplier | ROYSONS (Reg. Office: Kolkata, West Bengal, India) |
| Kit Components Included | Carriage Bolts / Hex Bolts, Serrated Flange Nuts / Standard Hex Nuts, Flat Washers & Lock Washers |
| Standard Thread Sizes / Diameters | M6, M8, M10, M12 (Custom imperial & metric sizing available upon request) |
| Material Options | Hot-Dip Galvanized Iron (HDGI), Mild Steel (MS), Stainless Steel (SS 304 / SS 316), Electro-Zinc Plated Steel |
| Compatible Systems | Perforated Cable Trays, Ladder Cable Trays, Wire Mesh Trays, Strut Channels & Heavy-Duty Support Systems |
| Mechanical Property Class / Grade | Grade 4.8 / 8.8 (Carbon Steel), A2-70 / A4-70 (Stainless Steel) |
| Surface Protection / Finishes | Hot-Dip Galvanized (IS 2629 / ASTM A153), Electro-Zinc Plated (IS 1573), Passivated Stainless Steel Finish |
| Fastening Method & Head Style | Smooth-neck square shoulder carriage bolts to prevent rotation during single-tool tightening |
| Electrical Bonding Continuity | Ensures high-clamping metal-to-metal surface contact for uninterrupted equipment grounding compliance |
| Corrosion & Environmental Resistance | High resistance against chemical exposure, salt spray, moisture, thermal cycles, and outdoor weathering |
| Manufacturing Standards Compliance | DIN 603 / DIN 933 (Bolts), DIN 6923 / DIN 934 (Nuts), DIN 125 / DIN 127 (Washers), NEMA VE 1 / ISO 9001:2015 |
| Industrial Applications | Industrial Electrical Assemblies, Power Transmission, Oil & Gas Refineries, Substation & Switchyard Cable Routing, Commercial Infrastructure |