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Pack of 1 21/64 Cutting Diameter Pack of 1 Dormer R520 Solid Carbide Short Length Drill Bit Round Shank 21/64 Cutting Diameter Precision Dormer TiN Finish 130 Degree Split Point

Dormer R5201/2 Multi-Application Screw Machine Length CDX Solid Carbide Drill, Parallel Shank, 12.7 mm Cutting Diameter, 51 mm Flute Length, 102 mm Total Length: Stub Length Drill Bits: Industrial & Scientific. Dormer R5201/2 Multi-Application Screw Machine Length CDX Solid Carbide Drill, Parallel Shank, 12.7 mm Cutting Diameter, 51 mm Flute Length, 102 mm Total Length: Stub Length Drill Bits: Industrial & Scientific. Short length drill bit has a drilling depth of 2.5 times its diameter and offers increased rigidity for heavy feed-rate applications 。 Solid carbide drills produce close-tolerance holes in hard materials, and have a longer tool life at higher speeds than cobalt and high-speed steel (HSS) 。 Titanium nitride (TiN) coating offers increased wear resistance, extended tool life, and higher hardness on ferrous and nonmetallic materials 。 Self-centering 130-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging 。 Extra thick web for increased strength and rigidity compared to standard drill bits 。 The R520 series short length drill bit is made from solid carbide with a TiN coating and has a 130-degree split point for increased rigidity in heavy feed-rate drilling applications on ferrous materials and nonmetallic materials. Solid carbide is harder than high-speed or cobalt steel, provides longer tool life at higher speeds, and produces close-tolerance holes in hard materials. The titanium nitride (TiN) coating offers increased wear resistance, extended tool life, and higher hardness than an uncoated drill bit. A self-centering 130-degree split point penetrates hard material without a pilot hole, and produces smaller chips that reduce clogging compared to a 118-degree point. This short length drill bit has a drilling depth of 3 times its diameter, and provides the strength and rigidity necessary for heavy-feed rate applications. The round shank accommodates most drill chucks. The drill bit conforms to Deutsches Institut für Normung (DIN) 6537 K standard. 。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.。 Pramet manufactures cutting tools under the following brands: Precision Twist Drill, , Union Butterfield and Pramet. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.。 。 。 。

Pack of 1 21//64 Cutting Diameter Pack of 1 Dormer R520 Solid Carbide Short Length Drill Bit Round Shank 21//64 Cutting Diameter Precision Dormer TiN Finish 130 Degree Split Point
Pack of 1 21//64 Cutting Diameter Pack of 1 Dormer R520 Solid Carbide Short Length Drill Bit Round Shank 21//64 Cutting Diameter Precision Dormer TiN Finish 130 Degree Split Point
Pack of 1 21//64 Cutting Diameter Pack of 1 Dormer R520 Solid Carbide Short Length Drill Bit Round Shank 21//64 Cutting Diameter Precision Dormer TiN Finish 130 Degree Split Point
Pack of 1 21//64 Cutting Diameter Pack of 1 Dormer R520 Solid Carbide Short Length Drill Bit Round Shank 21//64 Cutting Diameter Precision Dormer TiN Finish 130 Degree Split Point
Pack of 1 21//64 Cutting Diameter Pack of 1 Dormer R520 Solid Carbide Short Length Drill Bit Round Shank 21//64 Cutting Diameter Precision Dormer TiN Finish 130 Degree Split Point

Pack of 1 21/64 Cutting Diameter Pack of 1 Dormer R520 Solid Carbide Short Length Drill Bit Round Shank 21/64 Cutting Diameter Precision Dormer TiN Finish 130 Degree Split Point

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