Plug type (three to five thread). Spiral point forces chips ahead of tap, preventing clogging and recutting. Enables tapping of holes in excess of 1-1/2 inches diameter. Tap geometry specifically designed for difficult to machine materials. Premium grad
Warning:This product may expose you to chemicals including Cobalt, a chemical known to the State of California to cause Cancer. For more information go to www.P65Warnings.ca.gov