Description
The M20-2.5 Socket Head Cap Screw is a heavy-duty, high-strength metric fastener engineered for industrial applications demanding exceptional load-bearing capacity, precise assembly, and secure torque application. Featuring a cylindrical head with an internal hex drive, this fastener is ideal for large-scale mechanical structures where compact yet powerful fastening is required in confined or counterbored locations.
Specifications
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Thread Size: M20 × 2.5 (ISO Metric Coarse)
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Head Type: Cylindrical socket head with internal hex drive
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Drive Type: Hex socket (Allen)
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Length Range: Common lengths range from 40mm to 200mm in metric sizes
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Material Options: High-strength alloy steel, A2 or A4 stainless steel, and specialized corrosion-resistant materials
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Finish Options: Black oxide, plain, zinc-plated, hot-dip galvanized, or stainless steel
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Property Class: Typically Class 10.9 or 12.9 (for alloy steel) and A2-70 or A4-80 (for stainless steel)
Key Features
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Extreme Tensile Strength: Designed for large assemblies under intense mechanical loads, offering reliable performance in critical joints.
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Coarse Thread Pitch: The 2.5mm thread pitch ensures fast thread engagement, ideal for heavy industrial components exposed to vibration or thermal expansion.
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Precision Hex Drive: The internal hex socket allows for efficient torque application using Allen wrenches or hex drivers, reducing cam-out and installation errors.
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Industrial-Grade Finishes: Multiple finish options protect against corrosion and wear, making it suitable for both indoor and outdoor environments.
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Standardized Metric Fit: Fully compatible with ISO metric thread standards, ensuring interchangeability in international applications.
Typical Applications
The M20-2.5 Socket Head Cap Screw is commonly used in:
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Heavy Equipment Manufacturing (Excavators, Loaders, Cranes)
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Steel Fabrication and Structural Framing
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Large Gearboxes, Motors, and Mechanical Drive Systems
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Wind Turbines, Power Generation Units, and Energy Infrastructure
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Marine and Offshore Platforms
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Civil Engineering and Bridge Construction
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Military and Aerospace Hardware Requiring Oversized Fastening Solutions
