Stud 3201195141 | High-Tensile for Hydraulic Rock Drills
Epirco 3201195141 Stud for Hydraulic Rock Drills – 10.9 High-Tensile Steel, 1200MPa Strength
Epirco 3201195141 – IT7 tolerance (ISO 4759-1) | 6g thread fit | ±0.1mm length accuracy
Epirco 3201195141 – 10.9 high-tensile steel | M12x50mm thread (ISO 4014) | 8μm zinc plating

Stud 3201195141 | High-Tensile for Hydraulic Rock Drills

Part Number: 3201195141
  • Technical Specifications:
    • Material: 10.9 grade high-tensile steel (ISO 898-1)
    • Tensile Strength: 1200MPa
    • Thread Size: M12x50mm (ISO 4014)
    • Tolerance: IT7 (ISO 4759-1; h6 shank, 6g thread)
  • Design Features:
    • Surface Treatment: 8μm zinc plating (ASTM B633)
    • Drive Type: Hexagonal head (19mm wrench size)
    • Locking Mechanism: Pre-applied thread locker (equivalent to LOCTITE 243)
  • Performance Metrics:
    • Clamping Load: 30kN
    • Operating Temperature: -40°C to +120°C
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High-Tensile Stud for Hydraulic Rock Drills
This stud is engineered to secure critical components in hydraulic rock drills, withstanding extreme vibration, axial loads, and abrasive mining debris. Constructed from 10.9 grade high-tensile steel (ISO 898-1), it delivers reliable clamping force in high-stress applications such as fastening drill housings, valve bodies, and hydraulic manifolds.

 

Key Performance Attributes

 

  • Material & Durability:
    • 10.9 grade steel provides 1200MPa tensile strength, enabling a 30kN clamping load—50% higher than standard 8.8 grade studs. This ensures secure component retention even under repetitive impact forces from drilling operations .
    • 8μm zinc plating (ASTM B633) offers 72-hour salt spray resistance (ASTM B117), protecting against corrosion in damp underground mines and reducing maintenance needs .
  • Precision & Compatibility:
    • M12x50mm threads (ISO 4014) with 6g thread fit ensure seamless mating with standard nuts and tapped holes. IT7 tolerance (ISO 4759-1) guarantees consistent alignment with drill components, minimizing vibration-induced loosening .
    • The hexagonal head (19mm wrench size) facilitates easy torque application, while pre-applied thread locker maintains clamping force in high-vibration environments—eliminating the need for secondary locking devices.
  • Operational Reliability:
    • Rated for 10⁶ fatigue cycles under full load (per ISO 12044), it handles the repetitive stress of hydraulic rock drill operation. The -40°C to +120°C operating range ensures performance stability in both cold underground tunnels and high-friction mechanical systems .

 

Applications
  • Hydraulic Rock Drills: Secures housings, cylinder mounts, and flange connections in standard drill models.
  • Mining Equipment: Compatible with tunneling machines, quarry drills, and mineral exploration rigs requiring high-strength fasteners.

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