Description

Built for continuous heavy-duty service, the Lock Nut (OEM 550 254 25) is a premium aftermarket component for rock drilling and drifter rigs operating in extreme conditions. 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. Supplied as an alternative spare part, it provides direct functional interchangeability and dependable performance at a competitive price.

Delkom manufactures and exports premium alternative rock drilling, drifter equipment and spare parts to more than 100 countries. Contact us for current availability, bulk pricing and technical support.