Key Steel 4 mm × 4 mm × 304 mm

Product Description

This 4 mm × 4 mm × 304 mm metric key steel is a precision-cut mild steel square bar designed for use in shaft and hub assemblies. Manufactured from high-strength key steel, it is ideal for mechanical power transmission applications where reliable torque transfer and durability are essential.

Dimensions & Specifications

• Cross-section: 4 mm × 4 mm
• Length: 304 mm (12 inches)
• Material: Mild steel

Features and Benefits

• High-strength mild steel for dependable torque transmission
• Precision-machined to tight tolerances for secure shaft-to-hub engagement
• 304 mm length provides flexibility for cutting multiple key sizes
• Bright finish ensures smooth fit and reduced preparation time
• Easily machinable with standard tools for custom modifications

Common Applications

• Couplings, gearboxes, pulleys, and rotating shafts
• Agricultural and industrial machinery
• General engineering, maintenance, and repair tasks
• Workshop stock for custom key fabrication