Chicago Latrobe 120 High-Speed Steel Long Length Drill Bit, Black Oxide Finis...

Description

Chicago Latrobe 120 High-Speed Steel Long Length Drill Bit, Black Oxide Finis...
Product Overview
Size:
55/64"
Size:55/64" The Chicago-Latrobe 120 series long length drill bit is made from
high-speed steel with a black oxide finish and has a 118-degree conventional
point for use in deep drilling applications on ferrous materials. High-speed
steel (HSS) provides hardness for wear resistance, and the black oxide finish
reduces wear while promoting chip and coolant flow. 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 round shank accommodates most drill
chucks. 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.
Features
Long length drill bit has an extended flute and overall length to drill deeper and reach farther than a jobber length drill bit
High-speed steel (HSS) provides hardness for wear resistance
Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials
118-degree conventional point for general-purpose drilling applications
Round shank accommodates most drill chucks
Made in the USA
Details
Product Dimensions : 10.2 x 1.1 x 1.1 inches; 1.25 Pounds
Item model number : 49755
National Stock Number : 5133-00-266-9474
Date First Available : February 9, 2011
Manufacturer : Greenfield Industries
Best Sellers Rank: #723,902 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #61 in Long Length Drill Bits
#61 in Long Length Drill Bits
Customer Reviews: 4.6 out of 5 stars 7 ratings
Quality Products
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