Impact Socket Accessory Proline ZR18521, 38 mm Length

Proline ZR18521 Impact Socket Accessory, 38 mm length, is a replacement or add-on component designed for use with impact sockets and compatible power tools. Made by Proline, this accessory transfers torque during fastening and loosening operations and is intended for both professional and DIY tasks where an impact-rated fitting is required. The socket follows standard hexagonal designs and incorporates Proline’s PRO-DRIVE edge profiling to reduce point loads on fasteners.

Advantages

This impact socket accessory is forged from chromium-vanadium steel and undergoes a controlled hardening and tempering process to achieve the intended hardness and durability. The surface is chrome-plated and polished to resist corrosion and simplify cleaning. The PRO-DRIVE edge profiling between working planes helps mitigate excessive point loads on screw heads and reduces wear on both fasteners and socket contact surfaces. Manufacturing and heat treatment are aligned with common durability expectations for impact sockets.

Suitable for

• Transferring torque during fastening and loosening with compatible impact wrenches and drivers
• Professional workshop use where impact-rated fittings are required
• DIY and maintenance tasks involving hexagonal fasteners
• Replacement of worn or damaged socket accessories

Key specifications

• Length: 38 mm
• Drive style: hexagonal working plane (standard and extended hexagonal format)
• Material: forged chromium-vanadium steel
• Surface finish: chrome-plated and polished
• Edge profiling: PRO-DRIVE system to reduce point loads
• Compliance: manufactured to meet durability expectations consistent with DIN 3124 and PN-ISO 1711 standards

How to use

Select the Proline ZR18521 impact socket accessory that matches the fastener size and attach it securely to a compatible impact wrench or driver using the correct drive connection. Ensure the socket is fully seated on the fastener before applying torque. Use impact-rated tools and follow the tool manufacturer’s instructions for torque settings and safe operation. After use, clean the socket and inspect for visible wear or damage before storage.

Usage recommendations

Use this impact socket accessory only with tools and drive systems rated for impact use. Avoid applying excessive torque beyond tool or fastener limits and replace the socket if deformation, cracks, or excessive wear are observed. Store in a dry place to maintain the chrome-plated finish.