Top 9 Irwin Tools Cobalt 135Degree Jobber Length Drill Bit
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IRWIN Tools 63112ZR 3/16-Inch Cobalt 135-Degree Jobber Length Drill Bit, Pack of 12
- M-35 Cobalt Construction for Durability in abrasive materials
- Jobber drill bits feature 135-Degree Split Point Tips for reduced bit walking
- Straight shank works in both keyed and key-less drill chucks
- Heavy duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials
The Irwin Tools 63112ZR 3/16-Inch Cobalt 135-Degree-Jobber Length-Bulk – Pack of 12 is made of M35 Cobalt Steel. The cobalt steel helps discipate heat, which is the killer of all drill bits, providing it with longer life and more durability. The cobalt construction allows this bit to drill abrasive materials like Stainless Steel and Cast Iron which are extremely tough on traditional high speed steel drill bits. The bit has a 135-degree split point tip to help eliminate walking as you start to drill the hole in metal. The straight shank works in both keyed and key-less chucks.
Irwin Tools 63117 17/64-Inch Cobalt 135-Degree Jobber Length, Pack of 6
The Irwin Tools 63117 17/64-Inch Cobalt 135-Degree-Jobber Length-Bulk – Pack of 6 is made of M35 Cobalt Steel. The cobalt steel helps discipate heat, which is the killer of all drill bits, providing it with longer life and more durability. The cobalt construction allows this bit to drill abrasive materials like Stainless Steel and Cast Iron which are extremely tough on traditional high speed steel drill bits. The bit has a 135-degree split point tip to help eliminate walking as you start to drill the hole in metal. The straight shank works in both keyed and key-less chucks.
Irwin Tools 63132 1/2-Inch Cobalt 135-Degree Jobber Length, Pack of 6
The Irwin Tools 63132 1/2-Inch Cobalt 135-Degree-Jobber Length-Bulk – Pack of 6 is made of M35 Cobalt Steel. The cobalt steel helps discipate heat, which is the killer of all drill bits, providing it with longer life and more durability. The cobalt construction allows this bit to drill abrasive materials like Stainless Steel and Cast Iron which are extremely tough on traditional high speed steel drill bits. The bit has a 135-degree split point tip to help eliminate walking as you start to drill the hole in metal. The straight shank works in both keyed and key-less chucks.
29PC Left Hand Industrial Black & Gold Drill Bit Set 135 degree split Point
- 1/16″ to 1/2″ in 1/64″ increments
- 135 degree split point, Fully ground, Self-centering, Stubby length
- Black/gold colored finish
- Neatly organized in a Metal Case, Drill Indexed
- Left-hand bits can used to drill a broken screw or bolt so it can be extracted without needing a specialized extractor.
Champion Cutting Tool Brute Platinum 29 Piece 1/16-1/2" x 64thsHSS Mechanics Length Twister-XL28 Drill Bit Set-135 Degree Split Point, Water Resistant Index-MADE IN USA
- Drill 3x Longer (than competitors drills), Drill 2x Faster (than cobalt), Drill Accurate (135 deg split point, tapered web geometry)
- Better than cobalt-XL28 is able to flex when cobalt drills chip or snap.
- Reduced overall length provides added strength and rigidity. Flatted shanks for fast chucking in keyless power tools.
- Premium high speed steel and NOMO surface treatment for longer tool life, fast penetration, and flexibility. Self centering 135 degree split point prevents drill from walking.
- Ultimate workhorse for drilling steel, stainless steel, titanium alloys and other hard to drill materials
Drill America 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" – 1/2" X 64ths), DWDCO Series
- Set of 29 jobber length drill bits includes inch sizes 1/16″ to 1/2″ in 1/64″ increments
- Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
- Gold oxide finish lubricates the drill bit and provides wear resistance
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Meets ANSI specifications
The Drill America DWD29J-CO-PC Qualtech jobber length drill bit set contains 29 cobalt steel drill bits with gold oxide finish in inch sizes 1/16″ to 1/2″ (1/64″ increments). A 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. 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. A gold oxide finish acts as a lubricant and provides wear resistance, and the round shank accommodates most drill chucks. The set comes in a plastic index case with labeled compartments for identification and organization. Drill bits conform to American National Standards Institute (ANSI) standards.
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 to work with 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 drill bits (also called Silver and Deming drill bits) have a shank that is smaller in diameter than its shaft, permitting drilling machines with either a 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 twist drill bits (also called extension) are longer than long length twist drill bits for greater reach or for drilling deeper holes.
Drill America manufactures cutting tools such as drill bits, taps, dies, counterbores, countersinks, end mills, and reamers. The company, founded in 1927, is headquartered in Miami, FL.
What’s in the Box?
- (29) drill bits, sizes 1/16″ to 1/2″ in 1/64″ increments
- (1) plastic case
IRWIN Tools 3018004 Black Oxide Metal Index Drill Bit Set, 29pc Pro Case
- These IRWIN drill bits have an oxide treatment to resist corrosion and help prevent rusting
- Each drill bit features a 135° split-point tip that starts on contact and cuts with less force
- Reduced shank above 3/8 inch allows the use of larger drill bits in a 3/8-inch chuck
- Rubber, over-molded case protects the kit if it’s dropped
- Tap & Drill selection chart for convenient reference
- These IRWIN drill bits have an oxide treatment to resist corrosion and help prevent rusting
- Each drill bit features a 135° split-point tip that starts on contact and cuts with less force
- Reduced shank above 3/8 inch allows the use of larger drill bits in a 3/8-inch chuck
- Rubber, over-molded case protects the kit if it’s dropped
- Tap & Drill selection chart for convenient reference
MaxTool 21 Pieces M35 Cobalt Drill Bit Set; Jobber Length 5% Cobalt 135 Deg Split Point Fully Ground 1/16“ to 3/8” X 64th; JBS35G10R021S
- Sizes Range: inch sizes 1/16″ (0.0625) to 3/8″ (0.3750) in 1/64″ increments
- Premium Quality 5% Cobalt High Speed Steel M35 provides all drills long tool life
- Precision fully ground ensures chips moving smoothly, ultimate accuracy and performace
- Golden surface finish resists corrosion and increases the hardness of the drill bits
- 135-degree split point prevents “Walking”, reduce logging, and penetrates hard material without a pilot hole
All drills can be used for cutting metal, plastic, wood, etc. Quality Cobalt high speed steel M35 or M42 ensures sharp and fast execution in any material for clean results. Premium Heat treated is durable and can withstand heavy duty operation for a long tool life. Golden Color Surface Treatment holds up lubricant better for smoother drilling. Precision ground with geometry of 135 degree chisel with split point for quick penetration and an accurate start.
MaxTool is a cutting tools distributor in New York to meet a wide range cutting demand of customers in today’s markets, which include automotive, aerospace, electronics, medical, printed circuit boards, optical industries, and more
MaxTool maintains the leading spirit in supply of standard and custom-made high performance cutting tools, such as Polycrystalline diamond (PCD), Polycrystalline Cubic Boron Nitride (PCBN), Carbide, High Speed Steel (HSS) Tools, Hole Saws, Diamond Wheels, etc for machining ferrous, non-ferrous, composite, fiberglass, and carbon fiber materials. We offer our products worldwide, unless otherwise restricted by our suppliers
In addition, MaxTool offers re-sharpening services and custom tooling solutions
MaxTool warmly welcomes everyone to visit our Amazon Store, and honestly appreciates everyone very much to give a cooperative chance to discuss your requirement
MaxTool will do the best to make each buyer satisfaction. You can always rely on MaxTool
MaxTool’s slogan is Consistent Quality
MaxTool! ToolMax!
Irwin Tools 63107 7/64-Inch Cobalt 135-Degree Jobber Length, Pack of 12
The Irwin Tools 63107 7/64-Inch Cobalt 135-Degree-Jobber Length-Bulk – Pack of 12 is made of M35 Cobalt Steel. The cobalt steel helps discipate heat, which is the killer of all drill bits, providing it with longer life and more durability. The cobalt construction allows this bit to drill abrasive materials like Stainless Steel and Cast Iron which are extremely tough on traditional high speed steel drill bits. The bit has a 135-degree split point tip to help eliminate walking as you start to drill the hole in metal. The straight shank works in both keyed and key-less chucks.
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