Qualfast: 1/2 BSW X 5/8 X 2. Skt Shoulde Scew (GR-12.9) High Grade Alloy Steel Suitable for replacing costly components such as shafts, pivots, guides, pins, linkages and trunion mountings. Also commonly used in the die mould industry. Maximum operating temperature (Un-plated): 300C. Tolerance h8 MPN: QFT6114384N EAN: 5036140317895 1/2 BSW X 5/8 X 2. Skt Shoulde Scew (GR-12.9) Attributes: Box Quantity: 25 Driver Head Size: 5/16"in Grade: 12.9 Head Depth: 0.375mm Head Diameter: 0.875mm Leading Standard: DIN 610 Length: 2in Overall Diameter (mm): 0.623mm Surface Treatment: Plain Thread: BSW Thread Direction: Right Hand Thread Size: 1/2