Drill America 5/8"-1/4" High Speed Steel Threaded Shank Stop Countersink, TSC Series

Drill America 5/8"-1/4" High Speed Steel Threaded Shank Stop Countersink, TSC Series

• High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
• Countersink cutter may be used in all popular adjustable or micro-stop countersinking units utilizing a 1/4"-28 threaded shank drive
• Threaded shank is for use with threaded-spindle tools, often used in aerospace and automotive applications
• Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute"
• Precision ground to exacting tolerances and form relieved to insure concentricity of 100 degrees countersink angle