10 Best Drill Bits For Stainless Steels Reviewed as of May 2024

Reviews Scanned

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

【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 multi-blades drill tip 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. 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", 5/16"
【Unique Packaging】Packed in special plastic box for easy storage, imprinted with drill bit sizes for easy identification. Sliding clip on backside of box for hanging on pegboards

BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
High-heat resistant bits – withstand high-temperature applications for extended periods of time
Thick web-helix design – provides additional stability in tough applications
Surface-hardened tip – penetrates tough abrasive materials

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STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

【Premium True 5% Cobalt Steel with 68 HRC】- The Marked Cobalt Content of Ordinary Drill Bits May be False, but This Drill Bits Set is Made of Cobalt Ore from Our Own Mine, Which Indeed Contains 5% Cobalt. Although the Cost and Price are Slightly Higher, It Usually is able to Provide 3X Heat,Wear and Chip Resistance and 3X Tool Life.
【Split Point Design and Fully Ground Process】- Compared with Other Ordinary Drill Bits, This Drill Bits Set is Particularly Suitable for Heavy Duty Work, Such as Cutting through Stainless Steel,Steel Plate,Iron Sheet, Cast Iron and Hardwood, and Drilling Out Bolts Studs and Screws.
【3X Efficiency + 3X Tool Life】- This Cobalt High Speed Steel Drill Bits Set is Typically Capable of Running 3 Times Faster. Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
【Sharp Drill Bit Edge】- This Kind of Drill Bits Beast Can Even Cut Hardened Metal into Long Iron Bars, While a Dull Drill Bit Can Just Slowly Wear Through Metal.
【13 Pieces Jobber Length Industrial Drill Bits Includes】:1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4 [DIA 1/64 Inch Increments]

MACXCOIP M2 Step Drill Bit, 3/16 to 1-3/8 in, Double Fluted, Cutting Drill Bit for Stainless Steel, Metal, Aluminum, Copper, Wood, PVC

🔨The bit comes with 19 sizes so you can drill up to 19 holes with different diameters, save the time and energy of replacing the drill bit and improve your drilling efficiency; 19 sizes (3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32". 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8")
🔨Solid M2 high speed steel construction for extra durability, the 3/8 inch thick hex shank prevents slip in drill chuck and reduces shocks.
🔨Double-Fluted design keeps the step drill stable and provides faster cutting and drilling, while minimizing the scattering of steel chips and prolonging the service life.
🔨The unique silver-white area and laser engraving logo can quickly and accurately tell you the drilling size, making it more convenient and accurate for you to drill.
🔨Designed for drilling on steel sheets up to 0.2 in., acrylic, PVC and wooden boards up to 0.2 in.

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1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12

JOBBER LENGTH: 1/4-inch cutting diameter, 2-3/4-inch flute length, 4-inch overall length, 135 degree split point, 3-flat 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
APPLICATION: best used for drilling in hard metal, including stainless steel
INCLUDE: 12 pieces of 1/4-inch cobalt drill bits with case

GMTOOLS 29Pcs Cobalt Drill Bit Set, 135 Degree Tip High Speed Steel with Black and Gold Finish, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case 1/16"-1/2"

High Quality Material: The combination of high-speed steel black and gold oxide finish increases drill bit's corrosion resistance and wear resistance.
135°Split Point: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, fully ground drill bit with sharp and durable cutting edge. Twist design for bring metal shavings up and out of the hole drill.
Features: round straight shank, self-centering design prevents walking, fully ground twist design ensures a drilling performance by decreasing friction, easily for drilling materials includs stainless steel, cast iron, alloy, wood and hard plastics.
Set Includes: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64 and 1/2 inch bits;Storage in a metal indexed case.
Quality Commitment: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!

toolant Four Spiral Flute Cobalt Step Drill Bit(Pro Max), 3/16" - 7/8"(12 Step Size) Impact Ready Unibit Step Drill Bit, 1/4" Hex Shank Step Bit for Metal, Stainless Steel, Aluminum, Wood, Plastic

FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!
TiAlN COATING - With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.
M35 COBALT HSS STEP DRILL - Prefect for 1/8"(3mm) thick Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
12 STEP SIZES - Includes 3/16",1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 11/16", 13/16", 7/8".
WARRANTY - If you are not fully satisfied for any reason, please contact us for 100% refund or replacement. If the hex shank snap off, please contact us for replacement.

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STROTON Cobalt Drill Bit Set (1/16-1/2 Inch, 17PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

Premium 6% Cobalt Steel ,69 HRC (Rockwell Hardness Scale) ,the Cobalt Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
The Cutting Edge has been Ground Three Times and is made of Cobalt Steel, which has High Hardness and Heat Resistance. It is Designed for Drilling through Stainless Steel, Hardened Steel, Iron, Aluminum, Pipes, Wood, PVC, and Plastics.
This Heavy Duty Work Cobalt Drill Bit is Typically Capable of Running Two to Three Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Through the Material with a Blunt Drill Bit.
17Pcs 135 Degree Cobalt Industrial Hss Drill Bits Kit Includes :1/16 (2pcs), 5/64, 3/32 (2pcs), 7/64, 1/8 (2pcs), 9/64, 5/32, 3/16, 7/32, 1/4 (2pcs), 5/16, 3/8, 1/2 .

ASNOMY 12PCS TCT Hole Saw Kit for Hard Metal, 5/8"-2-1/8" Inch Tungsten Carbide Tipped Hole Cutter Set with Titanium-Plated Pilot Drill bit for Metal, Stainless Steel, Iron, Wood, Plastic

【Top Quality】Made from high quality TCT Carbide( Tungsten Carbide Tipped Cutters), High-grade Titanium-plated cemented carbide Tooth, ensuring its high hardness, rust proof, sturdy and durable；
【Size】Cutting diameter：16mm (5/8")，19mm(3/4"), 22mm(7/8"), 25.5mm(1"),29mm(1-1/8"), 32mm(1-1/4"), 35mm(1-3/8"), 45mm(1-3/4"), 51mm(2"), 54mm(2-1/8"), Cutting Length: 25mm(1Inch), Shank Dia.: 10mm(2/5 Inch) , perfect for drilling Hard Metal;
【Unique Three-blade Design】 This TCT hole Saw teeth designed with Three-blade, Include outer blade, middle blade, and inner blade, making it sharper and more efficient, ideal for cutting hard metals;
【Multipurpose Tools】This Hole saw set apply to Bench drill, magnetic drill, gun drill, drill percussion and so on. Perfect for hard metal, stainless steel plate, square tube, iron, cast iron, wood, F.R.P and other general sheet metal；Note: Cannot be used for concrete, tiles and stone.
【High precision and Easy to Use】TCT Carbide Steel teeth for fast cutting of clean, round holes. Suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine;

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NOVORIK Drill Bit Set 21Pc, Cobalt Twist Drill 1/16"-3/8“, M35 High Speed Steel,135 Degree Split Point, for Stainless Steel, Hardened Metal, Cast Iron, Plastic and Wood, with Indexed Storage Iron Box

High Toughness Material: Our drill bit is made of High Speed Steel M35, a molybdenum mix containing 5% cobalt which improves its toughness and hardness, making it highly suitable for drilling stainless steel. It can also drill sheet metal, hardened metal, cast iron, plastic and wood.
More Professional Performance: Its 135° split point tip and double split edge design, coupled with its straight shank design improves stability and prevents sliding while drilling.
High Drilling Efficiency: Our drill bit is fully ground which ensures smooth drilling, and its double spiral groove design prevents the accumulation of wooden chips.
Wide Range of Applications: It is compatible with corded and cordless drills, pneumatic drills, drilling machines, bench drills, etc. Not suitable for impact mode.
Specially Designed Storage Box: Our storage box is designed with a plastic panel which makes it easy for you to find the right drill bit at a glance. It is designed to hold one drill bit in each hole, allowing you to take and store the drill bits easily.

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