Overview
This Grade 8.8 carbon steel hex bolt is engineered for high-strength structural connections in commercial construction, heavy machinery assembly, and industrial fabrication. Its square head design provides superior wrenching capability in tight or recessed spaces where a standard hexagonal head may not fit. The partial thread configuration ensures maximum thread engagement in tapped holes while leaving a smooth shank section to bear shear loads, making it an ideal choice for pivot points and structural joints.
Key Features
Manufactured from medium carbon steel for a tensile strength of 116,000 PSI Black oxide finish provides a durable, corrosion-resistant surface Square head measures 1.38 inches for secure tool engagement Partial thread design optimizes clamping force and shear resistance Fully meets ISO 898-1 and DIN 933 specifications for Grade 8.8 performance
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8.8
Material
Carbon Steel Thread Size: M24 (0.94 inch nominal diameter) Finish: Black Oxide Length: 4.72 inches Thread Type: Partial Head Dimensions: 1.38 inches by 1.38 inches Tensile Strength: 116,000 PSI minimum Proof Load: 85,000 PSI Yield Strength: 92,800 PSI minimum
Applications
Structural steel framing and bracing Heavy-duty machinery and equipment assembly Industrial conveyor system fabrication Bridge and infrastructure components Pump, valve, and pipeline flange connections This bolt is packaged in quantities of 12 for convenient project supply and inventory management.
