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  • Chicago Latrobe 120DHT High-Speed Steel Long Length Drill Bit, TiN Coated, Round Shank with Tang, Parabolic Flute, 135 Degree Notched Point
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Chicago Latrobe 120DHT High-Speed Steel Long Length Drill Bit, TiN Coated, Round Shank with Tang, Parabolic Flute, 135 Degree Notched Point

Available in multiple versions


Price: $6.79 - $67.97
Product Specifications
Brand Name Chicago Latrobe
Material Type High-Speed Steel
Finish Types TiN
Cutting Angle 135  Degrees
Drill Point Split
Flute Type Parabolic
Manufacturer Series Number 120DHT
Shank Type Round with Tang
System of Measurement Inch
UNSPSC Code 20121600

The Chicago-Latrobe 120DHT series parabolic, long length drill bit is made ... Read full product description


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Size Part Number Price Quantity
   
1/16" B00462RKJW
In Stock (1)
$60.43
Prime Eligible
1/2 in B000LE511S
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$27.38
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13/32" B000LEZQ68
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$22.76
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15/32" B000LED69M
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$26.23
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17/32" B000LF6R3I
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$35.91
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19/32" B000LERM3S
In Stock (1)
$43.48
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23/64" B000LEU79O
In Stock (6)
$6.79
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25/64" B000LER23I
In Stock (1)
$22.69
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27/64" B000LF0J2I
In Stock (1)
$23.43
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29/64" B000LES2B4
In Stock (1)
$25.26
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3/8 in B000LEY0QU
In Stock (6)
$6.82
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31/64" B002E8VR4Y
In Stock (1)
$26.34
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33/64" B000LEVGJ4
In Stock (1)
$38.47
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35/64" B000LER7W4
In Stock (1)
$38.12
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37/64" B000LEYWG8
In Stock (1)
$43.23
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39/64" B000LEOYP2
In Stock (1)
$47.31
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5/64" B00462RKKQ
In Stock (1)
$62.38
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5/8" B000LE5852
In Stock (1)
$46.46
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7/16" B000LF2TQC
In Stock (1)
$23.50
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7/64" B00462RKME
In Stock (1)
$67.97
Prime Eligible
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Product Features

  • Parabolic long length drill bit has a drilling depth of 8 to 12 times its diameter and has an extended flute and overall length to drill deeper and reach farther
  • High-speed steel (HSS) provides hardness for wear resistance, and the titanium nitride (TiN) coating offers increased wear resistance, extended tool life, and higher hardness
  • Self-centering 135-degree notched point penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge
  • Parabolic flutes are wider than standard flutes for improved rigidity in deep drilling applications, and increased coolant flow and chip evacuation
  • Round shank with tang has a flat shank end for use with positive split sleeve drivers and other drills that accept tanged shanks

Product Details


Product Description

The Chicago-Latrobe 120DHT series parabolic, long length drill bit is made from high-speed steel with a TiN coating and has a 135-degree notched point for use in deep drilling applications on ferrous and nonmetallic materials. High-speed steel (HSS) provides hardness for wear resistance, and the titanium nitride (TiN) coating offers increased wear resistance, extended tool life, and higher hardness than an uncoated drill bit. A self-centering 135-degree notched point penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge longer than a split point. The parabolic flutes are wider than standard flutes for improved rigidity in deep drilling applications, as well as increased coolant flow and chip evacuation to reduce clogging. A long length drill bit reaches farther and drills deeper than a jobber length drill bit because it has longer flutes and overall length. The parabolic flutes enable this bit to drill to a depth of 8 to 12 times its diameter. The round shank with tang has a flat shank end for use with positive split sleeve drivers and other drills that accept tanged shanks.

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.

Chicago-Latrobe manufactures drill bits and accessories, reamers, countersinks, and blanks. The company, founded in 1890 and headquartered in Clemson, SC, meets International Organization for Standardization (ISO) standard 9001.


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