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Cleveland 2002G TC Style High Speed Steel Jobbers' Drill Bit, TiCN Coated, Round Shank, 118 Degree Point, 16mm Size (Pack of 1)
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Cleveland 2002G TC Style High Speed Steel Features
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High-speed steel (HSS) containing vanadium is a good combination of toughness and high red hardness, for use on drilling through hard substances
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Titanium carbonitride (TiCN) is harder than TiN, to help provide heat resistance for more abrasive materials
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118-degree with improved geometry, for performance in general drilling applications
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Jobber-length, for a wide range of applications
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Round shanks, for use with a variety of tool holders
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Made in the USA
About Cleveland 2002G TC Style High Speed Steel
The Cleveland 2002-TC jobber length high-speed steel (HSS) containing vanadium drill bit has a 38-degree helix angle, with a 118-degree drill point with improved geometry and titanium carbonitride (TiCN) surface treatment, which helps optimize performance in general-purpose drilling applications. The shank diameter is the same as the drill size. The 2002-TC series is most suitable for drilling into low-carbon steel, cast iron, aluminum and copper alloys. TiCN is harder than TiN and has lower friction. It combines toughness with good wear resistance. Spiral flutes act as a passageway for chip removal and for coolant to enter the hole. The right-hand twist brings chips up and away from the cutting edge. Round shanks allow use with a wide variety of tool holding systems. The 118-degree drill point is the most common angle with a good compromise of performance across a wide range of materials. The faster helix provides greater lifting power for chips and is particularly suitable for deeper holes.p> HSS containing vanadium has a higher red hardness for toughness and high shock resistance compared to high-speed steel (HSS). It provides heat and wear resistance to help extend tool life and it adheres to Deutsches Institut für Normung (DIN) 338 standards. The tolerances for various aspects of the Cleveland drill bits are: drill diameter range through 1/8” +0.0000”/-0.0005”, over 1/8” to 1/4” +0.0000”/-0.0007”, over 1/4” through 1/2” +0.0000”/-0.0010”, over 1/2” to 1” +0.0000”/-0.0012”, over 1” to 2” +0.0000”/-0.0015”, over 2” to 3-1/2” +0.0000”/-0.0020”; drill overall length and flute length #80 through 1/8” +0.1250”/-0.0626”, over 1/8” to 1/2” +0.1250”/-0.1250”, over 1/2” to 1” +0.2500”/-0.1250”, over 1” to 2” +0.2500”/-0.2500”, over 2” to 3-1/2” +0.3750”/-0.3750”; drill point angle diameter range 1/16” to 1/2” included angle 118 or 135 degrees +/-5 degrees, over 1/2” to 1 1/2” included angle 118 degrees +/-3 degrees, over 1-1/2” to 3-1/2” includes angle 118 degrees +/- 2 degrees; drill lip height diameter range 1/16” to 1/8” total indicator variation 0.0020”, over 1/8” to 1/4” total indicator variation 0.0030”, over 1/4” to 1/2” total indicator variation 0.0040”, over 1/2” to 1” total indicator variation 0.0050”, over 1” to 3 1/2” total indicator variation 0.0060”. Drill bits are cutting tools used to make holes in a range of materials. They are used in machines such as handheld portable drills, drill presses, machining centers, and lathes. Drill bits come in a variety of types and lengths. Twist drill bits are the most common type of drill bit. They are a round, twisted shaft, end-cutting tool with two or more cutting edges and two or more flutes. Jobber drill bits are the most common length of twist bit. They offer a good compromise of length and reach to work with the widest range of materials and applications. Greenfield Industries manufactures tools under the brand names Cleveland, Chicago-Latrobe, Cle-Line, Vermont Tap & Die, Bassett, Putnam Tools, Geometric, Vers-O-Tool, H & G, and Acme-Fette. The company owned by Top-Eastern Group and headquartered in Seneca, SC, makes tools that meet American National Standards Institute (ANSI), National Aerospace Standard (NAS), and Deutsches Institut für Normung (DIN) standards.
