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![]() B01DAM14NG Price: $18 Score: 1000.000 Category: Tools Rating: 4.5 Votes: 2997 Find similar productsDrill America - KFDRSD59/64 59/64 Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2 Shank, KFD Series. KFDRSD Series Drill America Killer Force Reduced Shank Drill Bits are manufactured from premium grade high speed steel, Killer Force Drills have a heavy duty 135° split point for self-centering and reducing thrust. Black and Gold surface treated for use in stainless steel and other hard metal drilling these drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials. | ![]() B01DAM3ET8 Price: $44.3 Score: 15.873 Category: Tools Rating: 4.1 Votes: 184 Find similar productsDrill America - D/ACO27/32 27/32 Reduced Shank Cobalt Drill Bit with 1/2 Shank, D/ACO Series. Made of heat resistant cobalt and ground to a heavy duty 135° split point. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in tough, high tensile strength materials. Expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials. |
![]() B00FXH9CM2 Price: $41.21 Score: 14.286 Category: Tools Rating: 4 Votes: 38 Find similar productsDrill America 1 Reduced Shank Cobalt Drill Bit with 1/2 Shank, DWDCO Series. Made of heat resistant cobalt and ground to a heavy duty 135° split point. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in tough, high tensile strength materials. Expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials. | ![]() B002YKJKAA Price: $47.26 Score: 12.987 Category: Tools Rating: 5 Votes: 1 Find similar productsKnKut 9/16 Fractional S&D 1/2 Reduced Shank Drill Bit. KnKut silver and deming 1/2 inch reduced shank drills feature a 135 degree split point for fast penetration and accurate starting without the need of a center punch. Made of hi-molybdenum tool steel with the body and clearance surface treated for maximum lubricity. Space age nitro-carbonized steel withstands higher drilling temperatures while maintaining sharpness. Precision ground point, flutes, body clearance and drill diameter give you the ultimate in accuracy and performance. Recommended for use in work-hardened grades of stainless steel and other hard metal drilling applications. 3 flats on shank. |
![]() B008KFHDDO Price: $22.36 Score: 12.195 Category: Tools Rating: 5 Votes: 3 Find similar productsKnKut 9/64 x 6 Extra Length Drill Bit. KnKut Fractional Extra Length Drill Bits are gold surface treated and composed of a special Hi-Molybdenum tool steel. The gold surface treatment provides maximum lubricity and the Heavy-Duty construction, 135-Degree split point requires no center punch and will not walk. For deep hole drilling, the gyroidal torsion flute and land construction works exceptionally. KnKut Extra Length Drill Bits are recommended for work hardening grades of stainless steel and other hard metals and will drill 12 or more diameters deep without having to clear chips. Feed rates may be twice that of standard drill bits. | ![]() B008KFHEVK Price: $25.32 Score: 11.905 Category: Tools Rating: 5 Votes: 1 Find similar productsKnKut 1/4 x 6 Extra Length Drill Bit. KnKut Fractional Extra Length Drill Bits are gold surface treated and composed of a special Hi-Molybdenum tool steel. The gold surface treatment provides maximum lubricity and the Heavy-Duty construction, 135-Degree split point requires no center punch and will not walk. For deep hole drilling, the gyroidal torsion flute and land construction works exceptionally. KnKut Extra Length Drill Bits are recommended for work hardening grades of stainless steel and other hard metals and will drill 12 or more diameters deep without having to clear chips. Feed rates may be twice that of standard drill bits. |
![]() B00H7WCGGK Price: $51.69 Score: 11.628 Category: Tools Rating: 3.9 Votes: 21 Find similar productsDrillco 1000EC Series Cobalt Steel Reduced-Shank Drill Bit, Bronze Finish, Round Shank with Flats, Spiral Flute, 135 Degree Split Point, 1 Size. The Drillco 1000EC series reduced-shank drill bit is made from cobalt steel with a bronze finish and has a 135-degree split point for use on tough, high-tensile strength metals. The reduced shank drill bit, also called a Silver and Deming drill bit, has a shank that is smaller in diameter than its shaft, permitting drilling with a 1/2 drill chuck. Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool's toughness and hardness in high drilling temperatures. The bronze finish lubricates the drill bit and provides wear resistance. The self-centering 135-degree split point penetrates hard material without a pilot hole and produces smaller chips that reduce clogging compared to a 118-degree point. The round shank with flats ground onto three sides reduces slippage of the bit when used in drill chucks. The drill bit conforms to American National Standards Institute (ANSI) specifications. 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. Drillco manufactures cutting tools such as drill bits, reamers, taps, dies, annular cutters, end mills, and burs. The company, founded in 1978, is headquartered in Baton Rouge, LA. | ![]() B074D5M7JR Price: $29.99 Score: 11.628 Category: Tools Rating: 4.6 Votes: 14 Find similar productsDrill Hog USA 13/16 Drill Bit 13/16 Silver & Deming Bit HI-Molybdenum M7. Drill Hog is proud to release the newest technology in drill bits. These bits are made from Molybdenum which has a melting point of 4753 Fahrenheit! These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more! Drill Hog includes a lifetime warranty to the original purchaser. |
![]() B0002YQR0Q Price: $11.73 Score: 11.494 Category: Tools Rating: 5 Votes: 4 Find similar productsIRWIN 326016 1/2 x 8 x 12 Straight Shank Masonry Bit. Product Description Bit will fit all hammer drills with 3-jaw or Jacobs chuck and features a chrome vanadium shaft through hardened to 50-53HrC, shot-peened, double-tempered finish, flute geometry removes dust from the hole quicker, copper braze material gives high heat resistance. All tips made to ANSI specifications. From the Manufacturer Made to ANSI specifications, the IRWIN 326016 - 1/2 x 8 x 12 Straight Shank Masonry Bit is the next generation straight shank hammer drill bit which delivers more performance than ever. The patented flute design speeds dust removal for fast drilling and long life, while the shot-peened finish increases surface durability reducing the potential for breakage. This offering of straight shank masonry bits demonstrated IRWIN's commitment to the line and the professions who rely on them. | ![]() B004P8JRP2 Price: $285.6 Score: 11.111 Category: Tools Rating: 5 Votes: 1 Find similar productsPrecision Twist M51CO Cobalt Steel Long Length Bit, Bronze Oxide Finish, Round Shank, Spiral Flute, 135 Degree Point Angle, 1. The Precision Twist M51CO taper-length drill bit is a 135-degree, spilt-point, heavy-duty, round shank drill bit made of high-speed steel and cobalt with a bronze oxide finish. Suitable for drilling into a wide variety of materials. It is suitable for drilling to a depth up to six times the diameter of the drill. The shank diameter is the same as the drill size. The M51CO series has a type N flute form (a regular helix angle of 21 to 34 degrees). The bronze oxide is a low temperature heat treatment which reduces grinding stress within the tool, and has an appealing, easy-to-identify bronze color. Bronze oxide is commonly used to identify cobalt steel tools. Made of HSS with cobalt, which is many times harder/stiffer than HSS, will hold an edge longer, and will deflect less than HSS. These are also more resistant to heat than HSS. These qualities allow it to run at higher speeds and feeds. They are made to ANSI (fractional sizing) industry standards, which ensure that drill bits around the world conform to the same specifications. 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 are commonly used to drill holes with hand-operated drills, standalone drill presses, or lathes. The flutes of the drill bit act a passageway for chip extraction from the hole and for coolant to enter the hole. These drill bits have a right-hand twist that brings chips up and away from the cutting edge. They are made to DIN 1897 industry standards (metric sizing), which helps ensure that drill bits around the world conform to the same specifications. Dormer Pramet manufactures cutting tools under the following brands: Precision Twist Drill, Dormer, Union Butterfield and Pramet. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards. |







