KS Tools 516.2436 box end wrench

Ring end wrench STAHLWILLE 36 mm x 14x18 mm 516.2436 is a solidly manufactured double-ended ring spanner designed for secure torque transmission on hexagonal fasteners. The tool combines a 36 mm single ring on one end with a double ring head offering 14 mm and 18 mm sizes on the opposite end, providing immediate access to three common metric dimensions in a single hand tool. The construction and geometry are intended for workshop and professional maintenance tasks where precise fit and reliable durability are required.

Advantages

The STAHLWILLE ring end wrench features hardened and precisely machined ring profiles that ensure close contact with fasteners and reduce rounding. Its robust shaft and high-quality steel construction provide resistance to bending and wear during repeated torque applications. The compact double-ended arrangement offers space-saving convenience and quicker tool changes compared with separate individual wrenches. The overall design supports repeatable performance in automotive, industrial and mechanical environments.

Suitable for

• Automotive repair and maintenance work
• Industrial machinery assembly and servicing
• Mechanical and plant maintenance tasks
• Tightening and loosening hexagonal nuts and bolts in confined spaces

Key specifications

• Main ring size: 36 mm
• Double-ended ring sizes: 14 mm and 18 mm
• Double-ended and single-ring configuration for multiple sizes in one tool
• Material: high-strength alloy steel (hardened and tempered)
• Finish: corrosion-resistant surface treatment
• Intended use: manual torque application on hexagonal fasteners

How to use

Select the ring size matching the fastener and place the ring fully over the hexagonal head to ensure full contact between the ring profile and the fastener. Apply steady manual force to the wrench handle, keeping the shaft aligned with the fastener axis to minimize stress on corners and avoid rounding. For high torque requirements, use controlled leverage and consider using a torque-limiting device or calibrated torque wrench in conjunction with the ring spanner when precise torque values are required.

Usage recommendations

Inspect the wrench before use for signs of wear or damage; do not use a deformed or cracked tool. Use the correct ring size to prevent fastener rounding and follow manufacturer torque specifications for threaded connections. Store the wrench in a dry place and apply periodic corrosion protection to maintain the surface finish and extend service life.