Cleveland 2012 Style High Speed Steel Jobbers' Drill Bit, High Helix, Uncoated (Bright), Round Shank, 118 Degree Conventional Point, #1 (Pack of 10)

  • Added more than 30 days ago
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Item is brand new Original sealed packaging
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List Price $50.70
$19.29
Features
  • The Cleveland 2012 high helix jobber length high-speed steel (HSS) drill bit has a 38-degree helix angle, with a 118-degree drill point and uncoated surface treatment, which is designed for general purpose drilling applications. The shank diameter is the same as the drill size.

    The 2012 series performs best when drilling into low carbon steel, aluminum, copper alloys, and plastic. The uncoated finish helps increase chip flow in soft materials. Spiral flutes act as a passageway for chip extraction from the hole and for coolant to enter the hole. The twist of the flutes brings chips up and away from the cutting edge. Round shanks allow use with a wide variety of tool holding systems. 118-degree drill point is the most common angle with a good comprise of performance across a wide range of materials. The higher, also called faster helix provides greater lifting power for chips and works well in deeper holes.

    Made of HSS, one of the most common tool steels, they offer a good comprise of performance across a wide range of materials and drilling applications and are an economical choice. They can be operated at twice the cutting speed and the cutting edges last longer than carbon-steel. They are made to ANSI and DIN industry standards, which help ensure that drill bits around the world, conform to the same specifications.

    The tolerances for various aspects of the Cleveland drill bits are: drill diameter range (inches) through 1/8 +0.0000/-0.0005, over 1/8 through 1/4 +0.0000/-0.0007, over 1/4 through 1/2 +0.0000/-0.0010, over 1/2 through 1 +0.0000/-0.0012, over 1 through 2 +0.0000/-0.0015, over 2 through 3 1/2 +0.0000/-0.0020; drill overall length and flute length #80 through 1/8 +0.1250/-0.0626, over 1/8 through 1/2 +0.1250/-0.1250, over 1/2 through 1 +0.2500/-0.1250, over 1 through 2 +0.2500/-0.2500, over 2 through 3 1/2 +0.3750/-0.3750; drill point angle diameter range (inches) 1/16 through 1/2 included angle (degrees) 118 or 135 +/-5 degrees, over 1/2 through 1 1/2 included angle (degrees) 118 +/-3 degrees, over 1 1/2 through 3 1/2 includes angle (degrees) 118 +/- 2 degrees; drill lip height diameter range (inches) 1/16 through 1/8 total indicator variation (inches) 0.0020, over 1/8 through 1/4 total indicator variation (inches) 0.0030, over 1/4 through 1/2 total indicator variation (inches) 0.0040, over 1/2 through 1 total indicator variation (inches) 0.0050, over 1 through 3 1/2 total indicator variation (inches) 0.0060.

    Drilling, or hole making, is the most common metalworking operation in the world. Twist drill bits are the most common type of drill bit used. Twist drill bits can be used in hand-operated drills, standalone drill presses, or a lathe.

    Greenfield Industries, which are a part of Top-Eastern Group, is one of the largest manufacturers of twist drills. They also manufacture cutting tools and related products under the following brands: Cleveland, Chicago-Latrobe, Cle-Line, Vermont Tap & Die, Bassett, Putnam Tools, Geo Met RJC, H & G, Vers-O-Tool, and Acme-Fette. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.

UPC
697334030607
Brand
Cleveland
Model
C03060
Part
C03060

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