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Best results for best type of drill bit for hard metal
Bosch CO2143 1/4 In. x 4 In. Cobalt Drill Bit
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
- Rigid, thick web design adds stability to bit in tough applications
- Surface hardened to penetrate tough abrasive materials
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
CO-Z Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Extreme Durabikity: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
- Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.
- Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240)
Hymnorq 7/32 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, for Drilling in Stainless Steel and Iron
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Cobalt Steel - Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- For Stainless Steel - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
Drill America 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case (1/16" – 1/2" x 64ths), KFD Series
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
- High-speed steel (HSS) provides hardness for wear resistance
- Black and gold oxide finish resists corrosion and increases the hardness of the drill bit
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Comes in a plastic storage case
Norseman Drill Bits 44170 Ultra Dex Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece)
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- 29 pc. Ultra Dex Set Premium High Speed Steel Heavy Duty NAS 907B 135-Degree Split Point
- 1/16 - 1/2 by 64ths - Ultra Dex
- Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance
- Special Hi-Molybdenum tool steel/ Gold Oxide
- NAS 907B Heavy Duty Jobber
Migiwata Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant
- for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency
1/8-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- JOBBER LENGTH: 1/8-Inch cutting diameter, 1-5/8-Inch flute length, 2-3/4-Inch overall length, 135 degree split point, straight shank
- MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits
- CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
Bosch CO2139 3/16 In. x 3-1/2 In. Cobalt Drill Bit
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
- Rigid, thick web design adds stability to bit in tough applications
- Surface hardened to penetrate tough abrasive materials
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Hiltex 10005 HSS Silver and Deming Industrial Drill Bit Set (8 Pieces), 1/2"
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- High speed stainless steel is designed to ensure sharp and fast execution in any material for clean results
- Heat treated carbon steel with a black enamel coating is durable and can withstand heavy duty operation for a long tool life
- Bit is precision ground with geometry of 135-degree split point for quick penetration and an accurate start
- Tri-flat on the shanks of drills are constructed for tighter chucking maximizing security for precise holes
Step Drill Bit Set, 3 Pcs Set Metal Cutting Hole Saw Titanium Cobalt Multi Drill Bits Tools for Stainless Steel, Metal, Wood Hole
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Sharp and Durable: Made of high speed steel that is hard and sharp, Two-flute design provides faster, smoother to drill through many types of sheet. Titanium coated surface can reduce overheat when drilling through material for longer life time
- 28 Size in 3: The unibit step drill bit includes three standard SAE step drill bits that can replace 28 individual drill bits, you can process 28 different kinds of diameter holes with the three pieces
Best Choice 8-Piece 1/2” Shank Silver and Deming Drill Bit Set in Aluminum Carry Case, High Speed Steel (HSS) | SAE Size 9/16” – 1” by 1/16th Increment
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials
- Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish
- 135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling
1/8" Shank Diamond coated Cylindrical Grinding Mounted Point Bits Burrs Fits Dremel Type Rotary Tool , 4 mm head , 10 pcs
CO-Z Large HSS Spiral Groove Step Drill Bit, 10 Sizes Titanium High Speed Steel 1/4" to 2-3/8" Drill Bit for Sheet Aluminium Metal Wood Hole Drilling, Big Multiple Hole Stepped Up Bit for DIY Lovers
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- The step drill bit is made from upgraded high speed steel characterized by well-balanced toughness, wear resistance and red hardness properties for better and faster hole -drilling performance. The titanium coating makes the drill bit more durable so that it can last for years with uncompromised quality.
- The dual-flute design prevents metal fillings from flying around and clears chips faster thus it can drill more smoothly without heating up.
Bosch CO2147 5/16 In. x 4-1/2 In. Cobalt Drill Bit
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
- Rigid, thick web design adds stability to bit in tough applications
- Surface hardened to penetrate tough abrasive materials
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Vermont American 15343 Type Clutch Size 3/16-Inch with 1-Inch Length Extra Hard Screwdriver Bit, 2 Pieces Per Card
SE 82331TF 30-Piece Set of Titanium-Coated Diamond Burrs, Grits 120-150
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Titanium-coated diamond burrs
- Assorted shapes and sizes include: ball, cone, cylinder, needle point, and tapered
- All burrs with a 1/8" shank - compatible with most die grinders or rotary tools
- A versatile set for numerous projects with grits 120-150
- Highly recommended for crafts, hobbies, home repair, jewelry, lapidary use, modeling, and so much more
Irwin Tools3018002 Cobalt M-35 Metal Index Drill Bit Set, 29 Piece
YXGOOD 5PCS HSS Cobalt Multiple Hole 50 Sizes Step Drill Bit Set Tools
Amazon.com
Last update was on: April 6, 2025 10:49 pm
- Made of industrial high speed steel with titanium nitrite coating ensure durability and strength to drill clear holes in plastic, aluminum, wood, copper, stainless steel etc.
- 50 size in 5. This drill bit set replace 50 individual drill set in 5 precise step drill bits, which save your time and space.
- Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for cleaner operation, keep bit cleaning.
