Chicago-Latrobe 69890 Style 190 Drill Set in Various Case

Chicago-Latrobe, 69890, Style 190 17/32" - 1" x 1/32" Drill Set in Various Case

Features

• Larger size general-purpose drills with 1/2" reduced shank. Manufactured from premium highspeed steel.
• 118° point; style 190F features 118° split point through 1-1/4" size.
• Round shank or shank with three flats for a more positive grip in the drill chuck; flats reduce drill slippage under high load.
• Standard 6" overall length and 3-1/8" 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 finish standard from stock.
• Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow.

Application Information:

• carbon steel
• cast iron
• alloy steel
• wood
• Use wherever maximum chuck capacity is 1/2".