Chicago-Latrobe® 69858 190 Silver and Deming Drill Set, 1/2 in Min Drill Bit, 1 in Max Drill Bit, 118 deg Drill Point Angle, 33 Pieces, HSS, Steam Oxide
69858
MFG #: 69858
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Chicago-Latrobe® Silver and Deming Drill Set, Series: 190, Imperial System of Measurement, 1/2 in Minimum Drill Bit Size, 1 in Maximum Drill Bit Size, 118 deg Drill Point Angle, 33 Piece, Specifications: 1/2 in Reduced Round Shank, Radial Point, Right Hand Cut, Spiral Flute, HSS, Steam Oxide
- Round shank for a more positive grip in the drill chuck, flats reduce drill slippage under high load
- Standard 6 in overall length and 3-1/8 in flute length for increased rigidity, less deflection, and
- Standardized lengths result in minimal adjustment during tool changes in screw machines and machinin
- Ideal for portable drilling due to increased rigidity
- Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow
Round shank for a more positive grip in the drill chuck, flats reduce drill slippage under high load
Standard 6 in overall length and 3-1/8 in flute length for increased rigidity, less deflection, and better hole accuracy
Standardized lengths result in minimal adjustment during tool changes in screw machines and machining centers
Ideal for portable drilling due to increased rigidity
Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow