Drill And Tap Through Metal In A Single Operation – 135° Self-Centering Split Point- Drill Will Not Walk On Workpiece – Engineered For Heavy Duty Applications- Longer Drill And Tap Flutes For Threading Thick Steel – 11/32″ Hex Shank For Use In Quick Change Drivers Or Cordless Drills – Black & Gold Surface Treated HSS Increases Tool Life – Drill And Tap Aluminum, Steel, Stainless Steel, Bronze, Cast Iron, And More