Vortex Indexable U-Drill - 3xD - SPMG/SPKX - 42mmThe Vortex Indexable U Drill is a generalpurpose drilling solution designed for steel, stainless steel, cast iron, exotic alloys, and nonferrous materials. Built around the SPMG SPKX insert system, it supports internal through coolant for reliable, consistent drilling at a 42 mm diameter. Insert compatibility: Uses SPMG or SPKX ISO inserts for versatile cutting performance. Depth capacity: 3xD maximum drill depth for efficient deep holes. Through