Step Drill Bits of 2025
Best Choice1
AugToufAugTouf toolant Gigantic Step Drill Bit(Pro Max), 1/4'' - 2-1/2''(15 Step Size) Large Step Bit, 1/2'' Shank Unibit Step Drill Bit for Metal, Aluminum, Wood, Plastic
Main highlights- WARRANTY - If you are not fully satisfied for any reason, please contact us for 100% refund or replacement.
- TiAlN COATING- With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.
- STREAMLINED SIZE TRANSITION - Guarantees true smooth drilling of large holes.
- HSS STEP DRILL - Prefect for Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
- DIMENSION - Includes 15 STEPS SIZE from 1/4" to 2-1/2". Replace a whole set of hole saw. No more suffering from drilling large holes
- Curious about how we select the top products for you? Explore How It Works
Value for Money2
1WANYUEM35 Cobalt HSS Step Drill Bits, Four Spiral Flute Cobalt Step Drill Bit,1/8"-7/8"(3PCS) Hex Shank Unibit for Aluminum, Stainless Steel, Metal, Wood, Plastic.
Main highlights- TiAlN: TiAlN coating is a new coating material in recent two years. It has high hardness, high oxidation temperature, good thermal hardness, strong adhesion, low friction coefficient and low thermal conductivity coefficient
- M35 Cobalt High Speed Steel: M35 cobalt high speed steel can be obtained by proper heat treatment with high hardness , high red hardness and high wear resistance. Its toughness and bending strength are higher than that of ordinary high-speed steel, which is better for hard materials
- Four groove step drill: The ordinary step drill is easy to flex during the cutting process, but the four groove step drill is more stable in the cutting. The service life is twice that of ordinary ladder drills, the drilling accuracy is significantly improved, the cutting speed is faster when drilling, and it has a unique effect on stainless steel drilling
- After sale: If you are not fully satisfied for any reason, please contact us,We will provide you with Worry-free after-sales service
- 135 °cutting angle: The increased angle of the drill tip is more suitable for drilling hard materials than 118 °. The larger the angle is, the smaller the self-wear is and the bigger the stress area is. Tip - The temperature of the drill will increase due to high speed rotation. It is suggested to add cutting oil or spray water to cool the drill during continuous operation, which can effectively prolong the service life of the ladder drill. If the product has any quality problems
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THINKWORKTHINKWORK Four Spiral Flute Step Drill Bit Set, 5 Pcs HSS Step Drill Bits (1/8"-1-3/8") Unibit Step Drill Bit, 1/4" and 3/8" Shank Step Bits for Aluminum, Wood, Plastic, Metal
Main highlights- VERSATILE DRILLING CAPABILITY: With its powerful drilling capability, our step drill is suitable for piercing holes in various materials, including thin metal, copper, aluminum, iron, carbon steel, wood, and plastic. It's an essential addition to any DIY enthusiast's toolbox and can be utilized for a wide range of household projects.
- USER-FRIENDLY DESIGN: Our step drill bits feature laser-engraved step sizes, ensuring clear visibility and eliminating concerns about wear and tear during use. This design element enhances convenience and accuracy, making the drilling process easier and more efficient.
- IMPROVED STABILITY: Unlike ordinary step drills that often suffer from deflection during cutting, our four-flute step drill bit provides exceptional stability. This feature enhances accuracy and cutting speed, making it perfect for stainless steel drilling. In fact, it offers a significantly longer service life compared to regular step drills.
- ENHANCED DURABILITY: Our industrial-grade step drill set is meticulously crafted from high-quality alloy steel and undergoes multiple manufacturing processes. Each drill bit is carefully inspected at the factory to ensure superior quality and longevity.
- DEDICATED CUSTOMER SERVICE: While our products undergo stringent quality inspections, unforeseen issues caused by accidental factors may occur. In such cases, we are committed to providing professional customer service. If you encounter any quality problems, please contact us via Amazon, and we will promptly replace the defective item with a new one.
- 5PCS NITRIDING STEP BIT KIT: Our 5-piece nitriding step bits set includes a range of sizes to cater to various drilling needs. The set comprises step bits with diameters of 3/16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 3/16"-1-3/8" (19 steps). All these bits come in a sturdy blow molded case for easy storage and transport.
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COMOWARECOMOWARE Step Drill Bit Set - Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bits Set of 3 pcs, Total 28 Sizes
Main highlights- Set Includes - The drill bits set includes 3 common sizes for versatility, can fit the majority of brands currently on the market.
- Safety and Stability- The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
- Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble. Great for plastic/ wood/ plank/ soft rubber with low hardness countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
- HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
- Design - The split point tip is at 135 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
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MilwaukeeMilwaukee 48-89-9224 Step Bit 6-Piece Set (#1, 4, 6, 7, 8, 9)
Main highlights- The product is highly durable
- The product is easy to use and easy to handle
- Step Bit 6Pc Set (#1, #4, #6, #7, #8, #9)
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Astro Pneumatic ToolAstro Tools TurboStep TS29 ONYX 29pc HSS Reduced Shank Mechanics Length 1/16" - 1/2" Drill Bit Set
Main highlights- Three-flat shanks, reduced shanks above 3/8", and mechanic’s length for superior access in cramped spaces
- Spiral fluted PATENTED stepped-tip drill bits that simply outperform every conventional drill bit design in nearly all materials
- Precision ground from heat treated quality M2 High Speed Steel and Onyx oxide coated to prevent chip build-up
- Patented design eliminates bit walk and the need for pilot holes
- Excels on hard alloys, sheet metal, and imperfect parts that are difficult to start drilling into
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IRONANTIRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case
Why we love it
Durable titanium-coated high-speed steel.
Versatile with 50 sizes in 5 bits.
Convenient storage case included.
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NEIKONEIKO 10181A Step Drill Bit Set, 3 Piece, Spiral Grooved for Faster Drilling, Step Bits for Stainless Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits with 31 Step Sizes Total
8.2 Durability8.0 worth the money8.0 lasts a long time9
ZELCAN30% OffZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician
9.1 Simple to use8.0 worth the money8.0 lasts a long timeWhy we love it
Durable and long-lasting material.
Perfect for DIY and light jobs.
Easy size adjustments with step feature.
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DEWALTDEWALT Step Drill Bit Set, 3-Piece (DWA1790IR)
9.7 Simple to use9.5 Precision9.3 lasts a long timeWhy we love it
Longer life
Better chip removal
Split point tip for quicker drilling
