Chicago Latrobe 255AN High-Speed Steel Long Length Drill Bit, Black Oxide Fin...

Description

Chicago Latrobe 255AN High-Speed Steel Long Length Drill Bit, Black Oxide Fin...
Product Overview
Size:
9/64"
Size:9/64" The Chicago-Latrobe 255AN series long length drill bit is made from
high-speed steel with a black oxide coating 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 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.
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 with tang has a flat shank end for use with positive split sleeve drivers and other drills that accept tanged shanks
Made in the USA
Details
Product Dimensions : 6 x 4 x 0.3 inches; 3.92 Ounces
Item model number : 49509
Date First Available : February 9, 2011
Manufacturer : Greenfield Industries
Best Sellers Rank: #645,824 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #57 in Long Length Drill Bits
#57 in Long Length Drill Bits
Customer Reviews: 4.8 out of 5 stars 4 ratings
Quality Products
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