Description
The M24-3.0 Button Head Cap Screw is a high-capacity, precision-machined fastener designed for the most demanding structural and mechanical applications. With its large, rounded button-style head and internal hex drive, it delivers a streamlined, low-profile finish while maintaining exceptional strength and torque handling. Ideal for use in infrastructure, industrial fabrication, and equipment where both performance and exposed appearance matter, this fastener offers robust clamping force, vibration resistance, and corrosion protection in a single, reliable design.
Specifications
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Thread Size: M24 × 3.0 (ISO Metric Coarse)
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Head Type: Rounded button head with internal hex socket
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Drive Type: Hex socket (Allen)
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Length: Commonly available in standard metric sizes from 30mm to 180mm
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Material: High-strength alloy steel; also available in A2/A4 stainless steel, zinc-plated, black oxide, or hot-dip galvanized variants
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Finish Options: Black oxide, plain, zinc-plated, hot-dip galvanized, or stainless
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Property Class: Typically Class 8.8 or 10.9 (for alloy steel), A2-70 or A4-80 (for stainless steel)
Key Features
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Oversized Button Head: Delivers a wide clamping footprint with a sleek, snag-free finish—ideal for large, exposed, or clearance-sensitive assemblies.
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Coarse 3.0mm Thread Pitch: Ensures rapid thread engagement, deep bite, and excellent performance under extreme vibration or dynamic load.
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High-Torque Internal Hex Drive: Supports controlled installation and secure fastening with minimal risk of tool slippage or head stripping.
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Resilient Finishes and Materials: Designed for long-term durability in high-corrosion environments such as marine, construction, or outdoor systems.
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Architectural-Grade Strength + Visual Appeal: Combines structural-grade capability with a clean, professional aesthetic for visible or accessible joints.
Typical Applications
The M24-3.0 Button Head Cap Screw is ideal for:
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Structural Steel Assembly and Heavy Industrial Fabrication
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Bridgework, Cranes, Gantry Systems, and Load-Bearing Joints
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Machinery Anchoring, Base Mounts, and Equipment Plates
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Exposed Fastener Systems in Architectural and Civil Projects
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Marine and Offshore Hardware Installations
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High-Strength Visible Connections in Infrastructure and Transportation Equipment
