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High strength bolt type fastener. Eliminates problems associated with loose nuts, lock nuts, bolt, and solid rivets. Vibration & is tamper-resistant. Consistent pre-tension values. High-speed installation, low noise level. High tensile, grade 8.8 variety of head forms and lengths. Large Diameter hydraloc is a heavy duty, two-piece fastener designed to provide vibration free high strength joints. Easy and simple to place and yet long lasting. It is an ideal solution where welding is not possible or solid riveting or threaded fastener provides strength of over 300 KN
Avlock India's Hydraloc carbon steel lockbolts are purpose-engineered for high-load structural applications where conventional bolts, lock nuts, and solid rivets fall short. A permanent lockbolt with pin and collar system that delivers consistent pre-tension, outstanding vibration resistance, and tamper-proof joints every single time.
Specifications:
Sizes: 1/2" to 1" (Large Diameter range)
Material: Carbon Steel
Head Forms: Dome, Countersunk (CSK)
Tensile Strength: Grade 8.8 equivalent
Clamp Load: Up to 300 kN (Large Diameter)
Installation: Specialised hydraulic / pneumatic swaging tool
Type: Two-piece lockbolt - pin and collar system
Hydraloc carbon steel lockbolts create permanent, tamper-proof joints with exceptional strength, making them ideal for safety-critical applications in rail, mining, and infrastructure.
Purpose-built installation tools ensure fast, error-free installation with consistent clamp load every time, requiring only a simple visual inspection after placement.
Hydraloc lockbolts maintain secure, high-clamp-load joints under extreme vibration and shock, preventing loosening in demanding industrial and structural environments.
Hydraloc carbon steel lockbolts are the go-to structural fastener across a wide range of heavy engineering sectors:
HE Leaflet Avlock India