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High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
For general purpose drilling in applications where extra length for reach is required, designed to perform in a broad range of materials in the iron and steel families
Drill America DWDDL Series High-Speed Steel drill bit is for general purpose drilling in applications where extra length for reach is required. It is designed to perform in a broad range of materials in the iron and steel families. DWDDL Series drill bits are a dependable, general-purpose drill used for a variety of materials. Ideal for production or maintenance. Bright finish, which provides superior chip evacuation. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems . When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.
Most Helpful Customer Reviews
Works best for the project
i purchased two of these drill bits because i had a deep hole in a wall that included one part that was a 1/2" steel plate. i drilled through 5/8" gypsum board and a single 2x12 and when it got to steel it just barely touched it. i drilled on the steel for nearly three hours using both bits and eventually gave up with about 1/8" left to go because it was doing nothing. i went to local store and bought a milwaukee 3/4" shorter bit and was able to get to the back side of the area i was drilling and finished the job in about 30 seconds. Obviously the cutting on this bit is not hard enough for any metal application.
The drill was sharp and the edge held.
I have an issue with this auger type bit not clearing chips very well. That is why I paid for an auger bit. The disadvantage of an auger bit (they tend to wonder as there is less steel in the bit because of the auger flutes) is not outweighed by the chip clearing as this bit does not clear chips very well in a very deep cut.
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Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
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