Value Collection 44691 Hex Lock Nut M8 X 1.25 Grade 8 Din 985

Product Description

The VALUE COLLECTION 44691 is a metric hex lock nut with a nylon insert, designed to resist loosening under vibration and dynamic loads. Built from Grade 8 steel with a zinc-plated finish for basic corrosion resistance, this nut meets DIN 985 standards. The M8 x 1.25 right-hand thread and nylon insert work together to grip the mating fastener without damaging the thread. At 8.00 mm tall with a 13.00 mm width across flats, it fits standard M8 fastener applications in mechanical assemblies, equipment fabrication, and structural hardware work.

This nut is suited for general industrial and mechanical applications where a reliable prevailing-torque locking fastener is required. The nylon insert lock nut is a common choice in equipment assembly, structural brackets, machine frames, and light to medium-duty fastening scenarios. It is appropriate for both shop and field installation by millwrights, maintenance mechanics, pipefitters, and general contractors working with metric fastener systems. The DIN 985 standard makes it a direct fit in metric-dimensioned assemblies common in European and metric-specification equipment.

Key Features

• Nylon insert locking style provides prevailing torque to resist loosening from vibration
• Grade 8 steel construction for high tensile strength in demanding applications
• Zinc-plated finish offers basic corrosion resistance for indoor and light-duty environments
• M8 x 1.25 right-hand thread conforms to DIN 985 standard
• 8.00 mm height and 13.00 mm width across flats for standard M8 tooling

Compatibility

Designed as a DIN 985-compliant replacement or component nut for metric M8 x 1.25 threaded fastener assemblies in industrial, mechanical, and structural applications.

Installation Notes

Installation is typically performed by maintenance mechanics or assemblers using a standard metric wrench or socket sized to the 13.00 mm across-flats dimension. De-energize or lock out any equipment before servicing fasteners on live machinery per applicable safety procedures. Nylon insert lock nuts are single-use by design — once the nylon insert has been fully engaged and removed, the locking torque may be reduced and replacement is recommended. Do not exceed the rated torque range for M8 Grade 8 fasteners as specified by your assembly documentation.