Stainless Steel Half Round Head Hexagon Screws in A2-70 Grade for Wear Resistance Applications

These metric thread stainless steel screws provide a reliable fastening solution for assemblies that require both mechanical strength and corrosion resistance. Manufactured to A2-70 specifications, they offer consistent performance in various environments while their whitewashed surface treatment ensures a clean, finished appearance. Available in multiple thread sizes within the M2.5 and M2 series, these screws feature a semicircular head design with hexagon drive compatibility for secure installation using standard tools. With dimensions of 16mm length and 5.7mm diameter, they are suitable for applications where wear resistance is a key consideration.

Features and Construction

The screws are designed with practical fastening requirements in mind, combining material properties with functional design elements.

Material and Build

Constructed from Stainless Steel A2-70, these screws benefit from the material's corrosion-resistant properties while maintaining the mechanical strength required for reliable fastening. The A2-70 designation indicates they meet specific strength grade standards for austenitic stainless steels. The whitewashed surface treatment applied to the screws provides additional protection and creates a uniform, clean appearance that is suitable for both functional and aesthetic applications.

Size and Practical Fit

With a consistent 16mm length and 5.7mm diameter, these screws offer standardised dimensions that facilitate straightforward specification for various assembly projects. The available thread size options, including multiple M2.5 series variations (M2.510, M2.512, M2.514, M2.516, M2.518, M2.520, M2.54, M2.55, M2.56, M2.58) and M2 series options (M210, M212, M216, M218, M220, M225, M23, M24, M25, M26, M28), allow for precise matching to specific thread requirements in different applications.

Uses and Placement

The combination of material properties, design features, and available sizes makes these screws suitable for various installation scenarios.

Event or Professional Use

In professional settings, these stainless steel screws are appropriate for assemblies where wear resistance is necessary, such as in moving parts or frequently adjusted components. Their A2-70 grade provides reliable performance in environments where exposure to moisture or corrosive elements might be a concern. The hexagon drive design ensures compatibility with standard workshop tools, facilitating efficient installation and maintenance procedures in industrial or trade applications.

Everyday Home Use

For domestic applications, these screws can be used in assemblies where their corrosion-resistant properties and clean whitewashed finish are advantageous. Their availability in multiple thread sizes makes them suitable for various household projects requiring metric fasteners. The semicircular head design provides a finished appearance when installed, while the hexagon drive allows for secure fastening using common household tools.

Benefits and Buying Value

The practical advantages of these screws stem from their material specifications, design features, and application suitability.

Reuse and Low Maintenance

The stainless steel construction offers good resistance to corrosion, which can contribute to the screws' longevity in appropriate applications. Their design allows for removal and reuse when necessary, provided they are not damaged during installation or removal. The whitewashed surface treatment helps maintain appearance over time, reducing the need for additional finishing in visible applications.

Why Choose This Product

These screws provide a specific combination of A2-70 stainless steel material, wear-resistant application suitability, hexagon drive compatibility, and whitewashed finish. Their availability in multiple metric thread sizes within the M2.5 and M2 series offers flexibility for various projects. The 16mm length with 5.7mm diameter provides standardised dimensions that work with corresponding components and materials.