Sky Mfg has the latest technology when it comes to Secondary operations with our complete line of HAAS CNC Machines in our department. At Sky Mfg we can produce Hex Nuts with our automatic bar feeding system start to finish. All Secondary operations are completed such as Face Heads, Turn OD, Break Edges, Drill Lightning Holes, and Now our most recent Line Drill and Tap 12PT Spline Nuts made from Inconell 718 ( MS14182 ) series.