The Wera 05135171001 is a high-quality TORX® socket screwdriver bit designed for use with semi-hard materials. Measuring 70 mm in overall length, this bit is sized at TX 5, making it ideal for applications requiring precise torque control. Its vacuum-hardened construction provides superior durability and resistance to wear and tear, ensuring long-lasting performance. With a 1/4" hexagon drive (Wera connecting series 4), this bit is compatible with a wide range of tools and systems. Its particularly hard design makes it an ideal choice for those working with challenging materials. Whether you're a professional or DIY enthusiast, the Wera 05135171001 is a versatile and reliable tool that delivers excellent performance and precision when working with TORX® socket screws.

Vacuum hardening is the cleanest and most environmentally friendly of all hardening methods. The environment inside the vacuum chamber is unreactive, even to alloys which are especially prone to oxidation. For all grades of steel, vacuum heat treatment is the optimum heat treatment, and represents state of the art technology.