Hexagon Head Bolt 15065218 ISO 898-1 Grade High-Strength Fastener for Hydraulic Drifters
- Part Number: 15065218
- Material: Quenched and tempered alloy steel (ISO 898-1, 10.9 class, tensile strength ≥1000 MPa)
- Thread Specification:
- Head Size: 36 mm (hexagon width across flats, ISO 4762 standard)
- Length:
- Surface Treatment: Zinc plating (8–12μm thickness, ISO 4042 compliant)
- Torque Rating:
- Compatibility: Direct fit for HL500, HL500s, HL510, and HL560 hydraulic drifter models
- Weight: kg
ISO 898-1 Grade Hexagon Head Bolt for Hydraulic Drifter SystemsEngineered to withstand high-torque and vibration in underground drilling environments, this hexagon head bolt ensures secure fastening in critical hydraulic components.
Technical Specifications & DesignConstructed from ISO 898-1 grade 10.9 class alloy steel, the bolt undergoes quenching and tempering to achieve a minimum tensile strength of 1000 MPa, resisting shear and fatigue in high-impact applications. The M24 x 3.0 coarse threads (ISO 965-1 compliant) reduce stress concentrations, while the 36mm hexagon head (ISO 4762 standard) allows for easy torque application with standard wrenches or impact tools.
Performance Advantages
- High-Strength Reliability: Meets ISO 898-1 mechanical property requirements, maintaining structural integrity under cyclic loads typical of drill feed systems (30–45 Hz vibration frequency).
- Corrosion Resistance: Zinc plating (ISO 4042) provides 500+ hours of salt spray resistance (ASTM B117), ideal for wet or sulfide-rich mining environments.
- Precision Fit: Machined to ISO 2768 fine tolerance (±0.1mm) for the shank and thread pitch, ensuring zero play when mating with OEM hydraulic manifold threads.
Applications
- Hydraulic System Assembly: Secures pump housings, valve blocks, and cylinder heads in HL500/510 drifters, maintaining pressure integrity in high-pressure circuits (200–250 bar).
- Vibration-Intensive Environments: Used in drill string stabilization components, resisting loosening during long-hole drilling (50+ meters depth) in hard-rock formations like granite or quartzite.
- Industrial Maintenance: A direct replacement for worn fasteners in legacy HL500s/560 models, adhering to factory torque specifications (450 N·m) for critical load-bearing joints.
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