• 1/16 - 1/2 by 32nds• High speed steel provides good wear resistance, can be used in general purpose applications for ferrous and nonferrous materials•Gold Finish•Heavy Duty Jobber - 3 Flats on Shank•Contains: 1/16" - 1/2" by 32nds.
• 135° split point for accurate centering and fast penetration• Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance•M-42 Cobalt contains 8% cobalt•NAS 907J Cobalt Jobber Length.