Chicago-Latrobe 55505 Style 190 Black Oxide 15.5mm Drill w/1/2" Shank

Chicago-Latrobe, 55505, Style 190 Black Oxide 15.5mm Drill with 1/2" Round Shank

Features:

• Larger size general-purpose drills with 1/2" reduced shank.
• Manufactured from premium high-speed steel.
• 118° point
• 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, lessdeflection, 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.

Application Information:

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

Surface Treatment Information:

• Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow.