Toolcraft expansion pins, made from spring steel according to DIN 1481, have dimensions of 13 mm in diameter and 180 mm in length. These heavy-duty expansion pins provide reliable fastening solutions for mechanical assemblies and structural applications. The spring steel construction ensures high tensile strength and durability, capable of withstanding significant mechanical loads and vibrations. Each pin measures exactly 13 mm in diameter with an overall length of 180 mm and is designed for secure installation in corresponding drilled holes. The expansion mechanism creates a firm, permanent fit when properly installed, eliminating the need for additional fastening components. These pins are supplied in a convenient 10-piece set, providing multiple units for various projects or replacement needs. The DIN 1481 certification guarantees standardized dimensions and manufacturing quality, ensuring compatibility with industrial specifications. The heavy-duty design indicates an increased load capacity compared to standard versions, making these pins suitable for demanding applications where secure fastening is critical. The spring steel material offers excellent elasticity and fatigue resistance, maintaining clamping force over extended use. These expansion pins serve as essential components in machine assembly, equipment maintenance, and structural engineering projects that require reliable, semi-permanent fastening solutions.