Extra Long Drill Bit and Countersink Set for Drill America - DEW4X4

About this item

• Used for producing center holes in work pieces which require machining between centers
• When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
• Sure! Please provide the lines you would like me to modify, and I'll help you change the wording while retaining their meanings.
• Round shanks allow use with a wide variety of toolholding systems
• Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
• High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance