A70677: Groove PinDesigned for secure fastening and alignment, this groove pin is ideal for heavy duty applications. Features a 38. 10 mm (1 1 2 in) diameter and an 85 mm (3. 35 in) length, with a groove located 8. 50 mm (0. 33 in) from the end. Includes a groove diameter of 35. 70 mm (1. 41 in) and a groove width of 3. 05 mm (0. 12 in), with a chamfer degree of 30 for easy insertion. Made from high quality general steel. Finished with heat treatment and plating for