STAHLWILLE 447A series Series Square Spline Drive Adaptor, 50.8 mm, 19 x 9.2 / 19 x 11mm Insert, Gunmetal Finish

This spanner insert is designed as a specialised spline drive adaptor, facilitating efficient use with external spline-drive screws. Constructed with a square head for versatility, it provides a secure fit for various attachments. sized at 50.8mm overall, this tool is ideal for those in the automation, electronics, electrical, and mechanical industries, offering high performance and longevity in demanding environments.

• Compatible with external spline drive screws
• High torque capabilities for robust applications
• Constructed from HPQ® high-performance steel
• Finished in durable gunmetal for corrosion resistance
• Female square drive size of 3/8 inch

• Ideal for assembly tasks in mechanical workshops
• Utilised for fastening in electrical setups
• Suitable for use in maintenance of machinery
• Effective in automotive repair and assembly tasks

It is made from HPQ® high-performance steel, offering excellent durability and resistance to wear. This material ensures consistent performance under high torque conditions, which is critical for heavy-duty tasks.

The insert dimensions are 19 x 9.2mm and 19 x 11 mm, allowing compatibility with various spline sizes. These precise measurements ensure a snug fit, reducing the risk of slippage during use.

The gunmetal finish not only provides a sleek appearance but also enhances rust resistance, increasing the lifespan of the insert in challenging environments. This is particularly beneficial for users in humid or harsh conditions.

This tool is specifically designed for a 1/2 inch spline drive coupling, ensuring the best fit and performance. It is advisable to use it solely with matching spline sizes for safety and effectiveness.