KMT 10 Precision lock nuts with locking pin detail Specifications: Material : 52100 Chrome Steel Weight : 0.40 Kg   Main Dimensions: Thread (G) : M50X1.5 Diameter side face opposite to bearing (d1) : 64 mm Outside diameter (d2) : 75 mm Outside diameter locating side face (d3±0.30) : 68 mm Inner diameter locating side face (d4±0.30) : 52 mm Width (B) : 25 mm Width locating slot (b) : 7 mm Depth locating slot (h) : 3 mm Width flat spanner (M 0/-0.50) : 70 mm Set / Locking screw size (A) : M8 L : 2.5 mm C : 69.5 mm R1 : 0.5 mm Sd : 0.04 mm