Annular Cutter Extensions and Adapters, Weldon, 6" extensions, 1-1/4" male x 1-1/4" female shank 7-9-1146

Extension Up to 18. Arbor Bore 3 4 or 1-1 4 or MT2, MT3, MT4. 3 flats for straight shank drill chucks and R8 shanks for drill presses available. Benefits. Converts standard length cutters into long reach solutions without needing to purchase specialty deep cut cutters. Extend cutter reach over the side or through an existing hole. Designed for fast attachment to annular cutters and arbors, minimizing downtime and keeping workflow efficient. Built from hardened, high strength materials to withstand heavy drilling loads and demanding job site conditions. Maintains cutter alignment for clean, accurate holemaking. Applications and Usage. Annular Cutter Extensions ideal for drilling through thick beams, columns, and plate where standard cutter depth is insufficient. Perfect for applications involving layered steel, welded assemblies, or stacked plate sections. Suitable for production environments where material thickness varies and long reach drilling is frequently required. Useful for onsite drilling during steel erection, equipment mounting, and infrastructure projects requiring deeper reach.