Hard Lock Nut

The Hard Lock Nut (OEM 2653 3610 69) is a premium aftermarket replacement engineered for rock drilling and drifter rigs operating in the most demanding mining and tunnelling environments. It fastens and clamps components together, holding structural integrity and correct preload under constant vibration and impact.

Made from high-tensile, corrosion-resistant steel to accurate thread tolerances, it provides dependable clamping force and resistance to loosening and fatigue. As a cost-effective alternative component, it matches the form, fit and function of the original while maintaining high reliability.

Backed by Delkom’s expertise in alternative rock drilling and drifter equipment, this part reflects the quality we export to over 100 countries. Reach out for availability, bulk pricing and technical support.