A long combined drill bit and countersink is used when extra length is needed to locate an accurate center hole is required to ensure precision and quality of future machining operations. With 60-degree countersink angle.
Warning:This product may expose you to chemicals including Nickel, Chromium, or Lead, chemicals known to the State of California to cause Birth Defects and/or Cancer. For more information go to www.P65Warnings.ca.gov