Thunderbolt 7/16" Split Point Drill Bit, Black Oxide

2874 MFG #: 48-89-2734
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  • FEATURES BENEFITS
  • LONG DESCRIPTION
Thicker Web Provides Greater Strength and Longer Life; 135 Degree Split Point Tip Starts on Contact to Prevent Walking, While the Parabolic Flute Clears Chips Fast; Black Oxide Coating Provides Lubricity and Resists Corrosion of the Bit; Reduced Slipping
Drill Bit; Type Jobbers Length; Construction Split Point; Drill Size 7/16"; Overall Length 5-1/2"; Number of Flutes 3; Flute Type Parabolic; Flute Length 4-1/16"; Shank Type 3-Flat, Reduced; Shank Size 3/8"; Point Angle (DEG) 135; Process Hardened; Finish