Description
The M8-1.25 Button Head Cap Screw is a mid-to-large diameter precision fastener engineered for applications requiring a clean, low-profile finish without compromising on strength. Its rounded button-style head with internal hex drive allows for secure torque application while minimizing snag hazards and offering an aesthetically smooth surface—ideal for structural, mechanical, and exposed-component assemblies.
Specifications
-
Thread Size: M8 × 1.25 (ISO Metric Coarse)
-
Head Type: Rounded button head with internal hex socket
-
Drive Type: Hex socket (Allen)
-
Length: Commonly available in standard metric lengths from 10mm to 100mm
-
Material: High-strength alloy steel; also available in stainless steel, zinc-plated, or black oxide finishes
-
Finish Options: Black oxide, plain, zinc-plated, or full stainless steel
-
Property Class: Typically Class 8.8 or 10.9 (alloy steel); A2-70 or A4-80 (stainless steel)
Key Features
-
Low-Profile Head Design: Rounded button head provides a smooth, attractive finish while reducing the risk of snags or obstructions in exposed assemblies.
-
Standard Coarse Thread: The 1.25mm pitch ensures strong thread engagement and improved resistance to loosening under vibration.
-
Precision Drive Application: Internal hex socket drive offers accurate torque control and streamlined installation in space-restricted areas.
-
Corrosion-Resistant Options: Stainless steel and protective coatings extend durability in outdoor, industrial, or moisture-prone environments.
-
Strength & Style: Balances structural integrity with visual appeal—ideal for assemblies where both performance and appearance matter.
Typical Applications
The M8-1.25 Button Head Cap Screw is widely used in:
-
Machinery Covers, Panels, and Enclosures
-
Automotive and Motorsport Body Components
-
Architectural Fixtures and Mounting Hardware
-
Robotics, Automation, and Framing Systems
-
Motorcycle, Bicycle, and Powersports Hardware
-
Custom Fabrication, DIY Projects, and Exposed Fastener Installations
