Komatsu-style premium aftermarket plow bolt. Part reference 198-71-21870. Size/application: Bolt 1-3/8 x 6-1/4. Corresponding nut reference: 1987121911. Designed for cutting edges, end bits and wear components with the same countersink, diameter and thread. Brand compatibility: Komatsu and premium aftermarket systems built to the matching Komatsu specification. Standardized dimensions may also fit other major brands when diameter, thread, length and seat are identical. Confirm bolt length, grip and hole pattern before installation.