KMTA 30 Precision lock nuts with locking pin detail Specifications: Material : 52100 Chrome Steel Weight : 2.58 Kg   Main Dimensions: Thread (G) : M150X3 Outside diameter (d2) : 190 mm Outside diameter locating side face (d3) : 180 mm Inner diameter locating side face (d4) : 152 mm Width (B) : 32 mm Pitch diameter for pin-type face spanner (J1) : 175 mm Distance between holes for pin-wrench and locating side face (J2) : 17 mm Diameter holes for pin-type face spanner (N1) : 6.4 mm Diameter holes for pin-wrench (N2) : 8 mm Set / Locking screw size (d) : M10