4mm Metric L-Type Hex Keys - J.H. Williams

The J.H. Williams JHWHK-4MM 4 mm Metric L-Type Hex Key is an indispensable tool for professional automotive and industrial technicians requiring precise fastener engagement. Engineered for robust daily use, this hex key ensures a consistent 4 mm fit for metric fasteners, mitigating cam-out and preventing fastener damage during critical service and assembly operations. Its professional-grade construction delivers the accuracy, durability, and control necessary for demanding tasks.

Key Features

• Precision 4 mm Metric Fit: Manufactured to exacting tolerances, this hex key delivers positive engagement with 4 mm metric hex fasteners, minimizing rounding and reducing the need for rework.
• Versatile L-Type Design: Features a long arm for extended reach and increased leverage on stubborn fasteners, while the short arm provides enhanced control and access in confined work areas.
• High-Grade Alloy Steel Construction: Built from robust alloy steel, ensuring exceptional strength and resistance to twisting or bending under continuous professional use and heavy loads.
• Corrosion-Resistant Finish: A protective surface treatment guards against rust and common shop contaminants, contributing to a longer service life and consistent performance in harsh environments.

Applications

This 4 mm metric L-type hex key is well-suited for a variety of automotive applications, including brake component adjustments, interior and dash panel removal, small engine cover installation, and underhood bracket work on many European and Asian vehicles that utilize 4 mm hex fasteners. In industrial environments, it is valuable for adjusting machinery guards and panels, equipment setups, fixture adjustments, and general maintenance tasks where a dependable 4 mm metric hex driver is essential.

Specifications

• Manufacturer: J.H. Williams
• Model: JHWHK-4MM
• Size: 4 mm metric
• Type: L-type hex key
• Material: High-grade alloy steel
• Weight: Approximately 0.02 lb (9 g)