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The Cleveland 950E series extra-long length drill bit is made from high-speed steel with a black oxide finish and has a 118-degree notched point for extra-deep drilling applications on ferrous materials. High-speed steel (HSS) provides hardness for wear resistance. The uncoated finish has no additional surface treatment or coating. The web thins at the tip to create a 118-degree notched point, which penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge longer than a split point. An extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit because it has longer flutes and overall length. The round shank accommodates most drill chucks. The drill bit conforms to American National Standards Institute (ANSI) standards.
Drill bits are cutting tools used to make holes in a range of materials using machines such as handheld portable drills, machining centers, and lathes. Drill bits come in a variety of lengths and types, the most common of which is the twist drill bit. The round, twisted shaft of the twist drill bit typically has two cutting edges and flutes. The helical twist of the flutes brings chips up and away from the cutting edges and allows for coolant to reach the cutting edges. Jobber length twist drill bits, the most common length of twist drill bit, offer a good compromise of length and reach for the widest range of materials and applications. Mechanic's length twist drill bits (also called maintenance length) are a little shorter than jobber length and less prone to deflection when drilling. Short length twist drill bits (also called stub or screw-machine length) are the shortest and stiffest twist drill bits, helping to reduce the chance of deflection or breakage when drilling. Reduced shank twist drill bits (also called Silver and Deming drill bits) have a shank that is smaller in diameter than its shaft, permitting drilling machines with a 1/4", 1/2", or 3/4" drill chuck to create large holes. Long length twist drill bits (also called taper length) are a little longer than jobber length, allowing for deeper holes and longer reach. Extra-long length twist drill bits (also called extension) are longer than long length twist drill bits for greater reach or for drilling deeper holes.
Cleveland manufactures tools for drilling, threading, and milling applications. The company, headquartered in Seneca, SC, meets International Organization for Standardization (ISO) standard 9001.
Edwin Burkhart
Reviewed in the United States on February 15, 2022
the drill did a great job on this one was the length was important to me to reach an area, it did a great job.
Customer
Reviewed in the United States on February 25, 2020
Worked like a champ! Used to drill a ~6” Deep hole in a block of aluminum using drill press. Good results.
FIDEL GOMEZ PACHECO
Reviewed in Mexico on April 30, 2020
Las brocas están bien solo que pedí otra y ya no tenían entonces eso habla mal del vendedor
Green acres
Reviewed in Canada on September 21, 2019
Strong sharp. Works very good long term use
MikeZ
Reviewed in the United States on August 31, 2019
Worked well for needed application......
Green acres
Reviewed in Canada on November 12, 2019
Strong and sharp
Noah B
Reviewed in the United States on January 25, 2019
Some other people complained that this bit had a lot of wobble to it and I noticed that too. But I'm not sure that can be avoided with this type of bit when used to drill horizontally.
Pamela J. Peerce Landers
Reviewed in the United States on November 20, 2018
Straight and sharp. What else do you need to know?
Marvin B.
Reviewed in the United States on April 3, 2014
I expected the 5/8" drill bit to have a 1/2" shank so it would easily fit a standard 1/2" chuck.. I searched for info on shank size but it is nowhere to be found on the Amazon site or the manufacturers site. Fortunately my drill press chuck opened wide enough to use the drill bit.I suggest that drill bits not be ordered until you can ascertain the shank size.
Silverfox Crafts
Reviewed in the United States on December 3, 2012
Beautifully designed, it drilled right through a good 5.5 inches of hardboard paneling (ran out of room height-wise to make it drill further)Granted I've only used it on hardboard because that's what I make my notebooks out of, I'm sure I'll find more uses for it in the future.Based on use thus far, yes I would recommend it.
Terril J Hebert
Reviewed in the United States on May 1, 2011
I bought this drill to be long enough to make a hole for a 1/4 in ramrod into a pistol stock for my lastest 18th century pistol project. Use in a drill press is easy, but I had to tilt the press up some for enough clearance to get the stockwood. Faster than use in a hand drill, but it worked perfectly. No cracking of the stock. But a nice deep ramrod hole that is correctly done. Will buy another size for another ramrod project. Im sure it has a million other uses if you are clever.
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