General description A domed head bolt with a square anti-spin shoulder, the TIMCO Carriage Bolt DIN603 is primarily used for clamping timber or attaching ironmongery to timber. Manufactured from A2 Stainless Steel, it offers superior corrosion resistance, making it ideal for external applications. Technical specifications Type: Carriage Bolt DIN603 Material: A2 Stainless Steel Diameter: M10 Length: 90 mm