CAT50 Taper, 1.2598" Inside Hole Diam, 5-63/64" Projection, Whistle Notch Adapter MPN:1804516

Fndrwsh presents a superior grade 2 hexagon lock nut with a flex top designed to expand by half of its width for effortless installation, guaranteeing consistent and secure clamping on bolts while preventing loosening or back out when properly torqued providing durable performance even in vibrating conditions. Its UNJF thread type is well suited for aerospace fastening applications, marine grade components, automotive hardware to structural building projects offering a high level of security as its coarse threads allow optimal holding power thus increasing resistance during heavy usage making it suitable across different industry sectors that demand long-lasting and reliable results at an affordable price point compared to other competitors ensuring cost-effectiveness.