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Hex Headed BoltOur Hex Headed Bolt is a critical fastening component designed for the demanding requirements of semi-trailer chassis, suspension systems, and structural assemblies. Manufactured from high-grade...read more
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Fifth Wheel Shim PlateEngineered for precision fifth wheel alignment, our Shim Plate System eliminates uneven wear and improves tractor-trailer coupling performance. CNC-machined from high-grade alloy steel, these...read more
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Axle Shock AbsorberEngineered for superior vibration control, our Axle Shock Absorber delivers unmatched damping performance in heavy-haul applications. Utilizing nitrogen-charged twin-tube technology, this premium...read more
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Leaf Spring Guide PlateThe Leaf Spring Guide Plate is a critical suspension component designed to maintain precise alignment and stability of leaf springs in heavy-duty semi-trailers. Manufactured from high-grade steel...read more
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Air Chamber Base Plate BoltEngineered for critical brake system security, our Air Chamber Base Plate Bolt provides fail-fast fastening for commercial trailer brake chambers. Manufactured from heat-treated alloy steel, this...read more
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Leaf Spring Guide AssemblyThe Leaf Spring Guide Assembly is a critical component designed to stabilize and align leaf springs in heavy-duty trucks, trailers, and semi-trailers. It ensures smooth suspension movement,...read more
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Air Chamber Fixed BoltThe Air Chamber Fixed Bolt is a heavy-duty fastener designed to securely mount air brake chambers to heavy trucks, trailers, and commercial vehicles. Engineered for maximum strength and vibration...read more
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Spring Seat Lower PlateThe Spring Seat Lower Plate is a critical load-bearing component in semi-trailer suspension systems, designed to provide a stable mounting platform for leaf springs. Manufactured from...read more
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Spring WasherOur heavy-duty spring washers are precision-engineered vibration-resistant components designed specifically for semi-trailer suspension and chassis applications. These conical spring washers...read more
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Lifting Air BagThe revolutionary lifting air bag system redefines load management for modern semi-trailers. Utilizing advanced elastomer compounds reinforced with aramid fibers, our air bags provide exceptional...read more
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Lift Axle AssemblyOur Lift Axle Assembly represents the pinnacle of weight distribution technology for modern semi-trailers. This fully integrated system combines robust mechanical engineering with advanced...read more
WebBig Bolt stocks a full inventory of hex head machine bolts. They’re threaded, heat-treated, and ready for immediate shipment. We also have blanks ready to be customized to your specifications. And...
WebAll stock F1554 headed anchor bolts have a 4″ or 6” thread length. Hex & Heavy Hex Blank Stock. Portland Bolt stocks both F1554 Grade 36 and F1554 Grade 55 hex and heavy hex head blanks (round bar...
WebHex bolts. A bolt with a six sided head. A corrosion resistant steel alloy. The most common stainless steel for general hardware use. A highly corrosion resistant grade of stainless...
WebHex Head Bolts. 18,842 products. Hex head bolts (or engineers bolts) have hexagonal heads for firm wrench tightening. These bolts securely fasten infrastructure that requires...
WebKH-EZ C SS316 Screw anchor. ultimate. Ultimate-performance screw anchor for quicker corrosion-resistant fastenings in concrete and grout-filled CMU (stainless steel 316, countersunk head) From...
WebHigh-Strength Grade 8 SteelSerrated-Flange Hex Head Screws. About 20% stronger than medium-strength steel screws, these Grade 8 steel screws can be used in high-stress...
