The 80420 Socket Hex Bit is built for heavy‑duty fastening tasks that require strength, precision, and reliable torque transfer. Featuring a 5/16‑inch hex bit integrated into a durable 3/8‑inch drive socket body, this tool provides superior engagement with fasteners, significantly reducing the risk of cam‑out or rounding during high‑torque applications.

Designed for professional use in automotive, machinery, industrial repair, and equipment servicing, this bit‑socket offers long‑lasting durability and dependable performance under repeated stress. Its compact profile allows easy access to recessed or tight‑area hex fasteners where traditional hex keys cannot reach.

Key Features

• 5/16 hex bit integrated into a rugged 3/8‑inch drive socket
• Provides strong torque transfer and reduces fastener rounding
• Precision‑machined for secure fastener engagement
• Compatible with all standard 3/8‑inch drive ratchets and power tools
• Ideal for demanding professional applications
• Compact design enhances access in confined spaces

Applications

• Automotive assembly and repair
• Mechanical and industrial maintenance
• Equipment servicing and machinery installation
• High‑torque fastening tasks
• Accessing recessed or hard‑to‑reach hex fasteners