Screw C0140003321 is an ultra-high-strength fastening component for Hydraulic Rock Drills. It is engineered for extreme heavy-duty mining tasks. For instance, it secures parts in deep underground high-pressure drill systems. Additionally, it performs in high-vibration open-pit hard rock mining sites.
Mining environments pose extreme challenges for drill screws. First, ultra-high torque during installation risks thread stripping. Second, 42G continuous vibration loosens fasteners during rock-breaking. Third, mining slurry and salt-laden air cause severe corrosion. Fourth, extreme temperature swings weaken material integrity. Fifth, dust buildup clogs threads and hinders maintenance.
These issues often lead to catastrophic screw failure. For example, loosened screws cause cylinder head leaks or motor misalignment. As a result, costly downtime and equipment damage occur. Yet, Screw C0140003321 solves these pain points with robust design.
First, its 40CrNiMoA alloy steel body delivers exceptional tensile strength. Moreover, the precision-rolled thread (±0.007mm) resists 1500N·m torque. This prevents stripping during high-torque installation. Consequently, service life extends by 220% vs. standard alloy screws.
Second, the ceramic anti-corrosion coating + pre-applied threadlocker offers 800-hour salt spray resistance. This outperforms black oxide screws by 60%. Furthermore, it repels mining slurry and rust formation. This avoids thread seizing and simplifies disassembly.
Third, the integrated vibration-locking thread design enhances anti-loosening performance. Notably, it works with pre-applied threadlocker for permanent fastening. This prevents loosening even under 42G continuous vibration. As a result, operational safety improves significantly.
Fourth, the 40CrNiMoA alloy steel tolerates extreme temperatures (-55°C~135°C). Importantly, it maintains strength in freezing or high-heat environments. This eliminates brittleness or deformation risks in harsh mining conditions.
Fifth, the chamfered thread tip ensures smooth installation every time. It aligns with mating components without cross-threading. On top of that, the hex socket head fits standard tools. This reduces maintenance time and labor costs.
Unlike generic industrial screws, this model is purpose-built for drills. Specifically, the ultra-high-torque thread design targets stripping risks. Additionally, the ceramic coating addresses severe mining corrosion. These features align with real mining demands. As a result, it outperforms standard screws by 200% in service life. This cuts replacement costs and unplanned downtime.
Our manufacturing process uses CNC precision threading and quenching heat treatment. Furthermore, it involves torque testing and salt spray corrosion trials. Each unit undergoes 1500N·m torque tests and 800-hour salt spray trials. Notably, no performance degradation is allowed before shipment.
The screw operates reliably in all extreme mining conditions. Moreover, the 40CrNiMoA steel body endures 12,000-cycle vibration tests. No thread loosening occurs during this period. Additionally, the ceramic coating remains intact for 24+ months.
The drop-in installation design integrates seamlessly with drill systems. It requires only a hex socket wrench for fitting. Consequently, maintenance teams complete replacement in 4 minutes. This minimizes operational downtime.
Our quality team conducts strict ISO 9001 verification for every unit. For example, tests include torque checks, corrosion resistance trials and thread precision tests. Importantly, it complies with global mining safety standards and ISO 898-1 fastener specifications.
It is a direct OEM replacement for top Hydraulic Rock Drill brands. Furthermore, its reliability reduces screw-related failure rates by 98%. Backed by a 12-month warranty, it lowers annual maintenance costs by 65%.
It ensures secure fastening of critical high-load drill components. Additionally, it extends the service life of drill assemblies by 90%. Overall, it delivers cost-effective, industrial-grade reliability. It minimizes downtime from screw failure. As a result, this maximizes operational efficiency and project profitability.
