Best Cobalt Drill Bits For Hardened Steel

OXMUL Step Drill Bits for Metal, 1/8 to 1/2, Cobalt Bit, Heavy Duty for Stainless Steel,Metal, Aluminum, Wood, Copper, Wood, 13-Steps. #202

  • 【Heavy Duty for Stainless Steel】 The Cobalt Drill Bits(1.3243 STEEL) can drill 6X longer life and 2X faster. This Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, Wood, PVC and Copper. If you want to drill faster and many holes on metal, please choose this step drill bit.
  • 【Cobalt Bits】 Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter!.
  • 【120-DAYS WARRANTY】 - If not satisfied, Any Reason, please contact us for 100% refund or replacement.
  • 【13 Steps︱2-Spiral-Flute︱1/4" Shank】 13-STEPS: 1/8,5/32,3/16,7/32,1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32 to 1/2 inches. 2-Spiral Flute:Clears Chips faster.
  • 【Cutting Fluid】 Cutting Fluid must be poured during work for longer life! Prohibit water-cooling to prevent!.
Check Stock

SharCreatives 35-Piece Screw Extractor and Drill Bit Set, Drill Bits and Multi-spline Extractors for removing tricky, stripped. damaged, broken screws, bolts, studs, fittings and more.

  • ✔ PREMIUM 35 PCS SCREW EXTRACTOR SET - (16) left hand cobalt drill bits (5/64" - 1/2"), (13) multi-spline screw extractor (1/8" - 1/2") and (6) spiral screw extractors (#1 - #6). Ideal for removing stripped , rounded off, painted over or rusted screws and bolts. Suitable for majority sizes of a screw or a bolt..
  • ✔ PROFESSIONAL HEAVY DUTY WITH IMPRESSIVE DESIGN AND SUPERIOR QUALITY - The left hand drill bits are made of high-quality high-speed steel. It has high hardness and durability, and it is easy to disassemble damaged screws. The spiral screw extractor made of chrome-molybdenum steel (high carbon steel) and sandblasted surface for greater durability and to withstand corrosion. The spiral pattern design can provide sufficient gripping force to facilitate removal..
  • ✔WELL ORGANIZED IN THE CARRYING CASE - laser etched markings of sizes on bits that organized in the heavy-duty and lightweight plastic case for easy storage and transportation..
  • ✔ COMFORTABLE, CONVENIENT AND EFFECTIVE FOR WIDE RANGE OF APPLICATIONS - The spiral flutes designed to enter deeply into the metal as you turn the tool for ....
Check Stock

OXMUL M35 Step Drill Bit for Metal 3/16 to 7/8 Cobalt Bits Extra-Heavy Duty for Stainless Steel Hard Steel Mild Metal Aluminum Wood Industrial Grade 12-Steps Co35A2-A

  • [Extra-Heavy Duty+ for Stainless Steel] The M35 Cobalt Drill Bits is Industrial Grade and can drill 8X longer life and 3X faster. This Cobalt Drill bits can help you cut more holes, extra-heavy duty+ for Stainless Steel, Hard steel, Mild Metal, Galvanized Steel, Aluminum,Iron, Wood Plate,PVC and Copper. If you're expanding a lot of holes in metal sheet then please choose this step drill bit.
  • [M35 Cobalt Steel] This M35 Cobalt Drill bit can successfully drill more than 35 holes easily into 1/5" thick Stainless Steel plate like knife through butter!.
  • [12 Steps ︱2-Spiral-Flute] 12 Steps: from 3/16", 1/4", 5/16", 3/8", 7/16",1/2", 9/16", 5/8", 11/16", 3/4" 13/16" to 7/8". 2-Spiral-Flute:Clears Chips faster.
  • [Cutting Fluid] Cutting Fluid must be poured during work for longer life! Prohibit water-cooling to prevent rust!.
  • [3/8" Tri-Flatted Shank] Fits into power tools chuck securely and eliminates slip.
Check Stock

IRWIN Step Drill Bit Set 3-Piece 10502CB

  • Drill bit is engineered with M-35-grade Cobalt Alloy Steel steel for maximum life when drilling in tough steel.
  • Drill bits feature a radial concave flute.
  • IRWIN drill bits have laser-marked sizes for simple identification.
Check Stock

DRILLFORCE (10 Pcs) 3/16 in. x 3-1/2 in. HSS Cobalt Drill Bits, Jobber Length, Straight Shank, Metal Drill,Ideal for Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc.

  • Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability..
  • Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66..
  • Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 3/16 inch, Total length 3-1/2 inch, Working length 2-5/16 inch..
  • Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles..
  • 135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster..
Check Stock

DRILLFORCE 1/8 inch, HSS Twist Drill Bits,5% Cobalt Jobber Length Twist Drill Bits,10pcs in Plastic Bag, Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. (1/8)

  • Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability..
  • Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66..
  • Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 1/8 inch, Total length 2-3/4 inch, Working length 1-5/8 inch..
  • Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles..
  • 118 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster..
Check Stock

5mm Drill bit M35 Specialist Metal Drill Bits, Twist Drill Bit Set, HSS-CO Twist Drill Bit Stainless 1.0-5.0mm for Drilling Stainless Steel Cast Iron Sheet Metal Steel Plate Angle Iron(5mm)

  • [High Hardness]: This 5mm cobalt drill bits sets are made of M35 material and contain 5% cobalt, which effectively improves its hardness and ensures stable performance.
  • [10 Sizes Available]: There are 10 drill bit sizes for this hss drill bit set, and each pack has 10 identical drill bits, you can choose according to your needs.
  • [High Grinding Precision]: This 5mm twist drill high speed steel bit has a high surface finish, which is very suitable for drilling stainless steel, cast iron, sheet metal, steel plate, angle iron.
  • [35-degree Bifurcated Tip]: This 5mm hss high speed m35 cobalt twist drill uses a 135-degree bifurcated tip design, and starts drilling immediately with a small force.
  • [Wide Application]: This 5mm hss drill bit set is sharp and durable, which can be widely used for drilling stainless steel plates, automobile spring steel and die steel.
Check Stock

NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals, Multi Points Drill Tip with 1/4" Hex Shank for Quick Chucks & Impact Drivers, SAE Sizes 3/32"-1/8"-3/16"-1/4"-5/16"

  • 【High Quality】M35 Cobalt steel precision ground drill bits for extra durability and long lifetime.
  • 【Efficient Design】Stubby drill bits measure from 1.84 to 2.32-inch only, allowing access to hard-to-reach and tight spaces. 135° split point two-blades special design drill tip (1/8-inch and larger) for perfect self-centering and fast drilling.
  • 【Multi-Purpose Use】Suitable for drilling stainless steel and various hardened metals such as cast iron, titanium, bronze, aluminium, etc..
  • 【Integrated Hex Shank】All drill bits come with one piece 1/4-inch hex shank compatible with standard and quick change chucks and drivers.
  • 【Popular Sizes】Includes imperial sizes: 3/32", 1/8", 3/16", 1/4" and 5/16". Packed in storage rail lasered with sizes for easy identification.
Check Stock

Milwaukee 48-89-2801 21-Piece Thunderbolt Black Oxide Drill Bit Set

  • 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)..
  • Use Center Punch to Mark the Spot: Please mark the spot that you are to drill for easier drilling and improved drill bits life..
  • Keep Your Step Drill Bits Well Organized: All the bits come in a well-organized case for easy transport and storage..
Check Stock

Drill Bit SHARPENER Corundum Grinding Wheel Titanium Portable Powered Tools US

  • SHARPEN MULTIPLE TYPES OF DRILL BITS – high-speed steel, masonry, cobalt, & TiN-coated drill bits. Designed for the serious tool user, this professional, easy-to-use system makes it simple to keep a sharp, perfectly angled cutting edge on bits you use often.
  • CUSTOM POINT ANGLE SHARPENING – set any angle from 115° to 140° with cast aluminum point angle shuttle for added durability. Option to make a unique BACK-CUT split-point bit that gives your bit an extra-narrow chisel point, making it faster to penetrate and less likely to wander on the material you are drilling in to.
  • Holds up to carbide, titanium and cobalt material.
  • Coarse 100 Grit diamond sharpening wheel.
  • More efficient grind when sharpening larger drill bits from 1/2-Inch to 3/4-Inch.
Check Stock