The Sparex S.51803 Imperial Bolt is a high-tensile fastener designed for strength, reliability, and precision in agricultural, mechanical, and engineering applications. Suitable for securing machinery parts and heavy-duty components, this bolt ensures a firm hold even under vibration and load stress.
This 5/16”x2-1/4” bolt is built to DIN 931 standards and features a UNC coarse-thread profile for secure fastening. Made from 8.8-grade high-tensile steel, it provides excellent resistance to torque, shear, and fatigue while maintaining dimensional accuracy for repeat installations.
Produced by Sparex, a trusted global manufacturer of agricultural replacement components, the S.51803 meets OEM specifications and provides reliable compatibility with Massey Ferguson machinery. Equivalent to OEM part numbers Massey Ferguson 354613X1 and 366779X1, it ensures dependable OEM-level performance and fitment.
Perfect for farmers, service technicians, and machinery engineers requiring a tough, OEM-grade fastener for equipment maintenance, repairs, and assembly across agricultural and industrial settings.
Key Features
?? 8.8-grade high-tensile steel ensures superior strength and durability
?? UNC coarse thread for strong, vibration-resistant fastening
?? Complies with DIN 931 engineering and performance standards
?? OEM-equivalent for Massey Ferguson 354613X1 and 366779X1
?? Corrosion-resistant surface for longer service life
?? Suitable for agricultural, mechanical, and heavy-duty use
?? Perfect for: Tractor repairs, machinery assembly, agricultural maintenance, and OEM-grade equipment servicing.
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