Drill Bits Step Bits of 2025
Best Choice1
Clicked 5 times in the last monthDEWALTDEWALT 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
9.8Exceptional
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Value for Money2
THINKWORKTHINKWORK 5 Pcs Four Spiral Flute Step Drill Bit Set & 5 Pcs Countersink Drill Bits with Tool Box, Nitriding HSS Drill Bits for Metal, Aluminum, Wood, Plastic
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.
- NITRIDING BIT KIT: Our 10 Pcs nitriding step and countersink bits set includes a range of sizes to cater to various drilling needs. The set comprises step bits with diameters of /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). Countersink Drill Bits sizes1/4'', ”3/8'', 1/2'', 5/8'', 3/4''.
- 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 & countersink drill bit 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.
9.7Exceptional
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3
ZELCANZELCAN 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.
9.6Exceptional
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4
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 time9.3Excellent
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5
AlericAleric Step Drill Bit Set - Titanium Coated, High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers,3pcs
8.0 worth the money8.0 lasts a long time8.0 Long lifeWhy we love it
Durable titanium coating for long-lasting use.
Versatile for various materials and projects.
Affordable alternative to expensive bits.
9.2Excellent
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6
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.
9.1Excellent
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7
BestworkBestwork Four Spiral Flute Step Drill Bit Set, 5PCS 1/8"-1-3/8" Step Bits for Metal, HSS Unibit Drill Bits with 1/4" and 3/8" Hex Shank for Metal Stainless Steel Aluminum Wood Plastic
Main highlights- Quick Release & Tapered Edge Design: The 1/4" hex shank and quick-release slot ensure secure connections and easy changes. The four-spiral flute design effectively evacuates chips from the hole, reducing the likelihood of clogging and improving drilling efficiency
- Handle Drilling Tasks with Ease: With four sharp cutting blades, step drill bit set ensures swift, smooth drilling, effortlessly cutting through steel, aluminum, copper, and other tough materials like a hot knife through butter
- HHS Steel Construction: Our drill bits are made from robust high-speed steel, which offers exceptional hardness. This allows for faster cutting of harder materials while also withstanding high temperatures and cutting forces, ensuring long-lasting performance
- Easy Organization & Identification: Our step drill bits for metal come with a handy storage case, ensuring effortless organization and portability for all your drilling tasks. Clear size markings on each bit allow for quick identification
- 5PCS Drill Bit Set: Our 5-piece step bit set caters to diverse drilling needs, with diameters ranging from 3/16" to 1/2" (6 steps), 1/4" to 3/4" (9 steps), 3/16" to 7/8" (12 steps), 1/8" to 1/2" (13 steps), and 3/16" to 1-3/8" (19 steps)
9.0Excellent
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8
Jerax toolsJerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic
Main highlights- [Non-stop]: Our Polished Steps and Size Highlights let you able to see target hole size during drilling. No need to stop in the middle of the drilling and check. Save you time and hassle.
- [Multi Hole Sizes]: No need to buy a kit. This one step bit comes with 5 marked sizes so you can drill 5 different hole sizes, saving you time and efforts to change bits. Marked sizes including: 7/8", 1-1/8", 1-7/32", 1-1/4", 1-3/8".
- [M2 HSS]: Cuts A LOT MORE CLEAN holes and much EASIER than average step bits. In general, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving durability. Our additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
- [Heavy duty]: Cuts holes on Stainless steel (need appropriate pressure), Hardened Metal, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for Stainless steel.
- [Easier | Faster | Cleaner]: With our high-accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market.
8.7Very Good
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9
ZELCAN23% OffZELCAN 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
8.9 Precision8.9 Flexibility8.2 worth the moneyWhy we love it
Extreme Durability: Long lasting shiny.
Drill Different Sizes: 1/4, 3/8 1/2 in.
Smooth Drilling: Fast precise.
8.4Good
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10
ss shovan3PCS Unibit Step Drill Bit Set (1/4"-7/8"), M35 Cobalt, TiAlN Coated for Superior Durability, Spiral Cone Drill for Stainless Steel, Sheet Metal, Aluminum & Plastic
Main highlights- VERSATILE 3PCS SET - Includes three step drill bits with varying sizes: #1 (1/4" - 5/16" - 3/8" - 7/16" - 1/2"), #2 (1/4" - 9/32" - 5/16" - 11/32" - 3/8" - 13/32" - 7/16" - 15/32" - 1/2"), and #3 (5/16" - 3/8" - 7/16" - 1/2" - 9/16" - 5/8" - 11/16" - 3/4" - 13/16"- 7/8"). These metal drill bits come in a box so they can be storage well.
- PREMIUM M35 HSS - Constructed from M35 high speed steel with 5% cobalt content, these step drill bits offer exceptional durability and superior cutting performance, even on tough materials like stainless steel (＜1mm).
- KIND TIPS - To prevent overheating and potential damage to the drill bits, always use cutting oil or spraying water during operation. Proper cooling extends the life and efficiency of the bits.
- IDEAL FOR DIY & PROFESSIONAL USE - Whether you’re a DIY enthusiast or a professional, this step drill bit set is perfect for various applications, including drilling in sheet metal, aluminium, copper, plastic, and more. Not only can it enlarge holes, but it also deburrs, chamfers, and cutting.
- COMPATIBLE WITH VARIOUS DRILLS - 1/4"(6.35mm) Hex shank design eliminate slipping in drill chuck, these step drill bit for metal are compatible with a range of drilling tools including bench drills press, impact drills, and hand drills, making them a versatile addition to your toolkit.
- ADVANCED TIALN COATING - The Titanium Aluminium Nitride (TiAlN) coating ensures high hardness and excellent wear resistance, extending the lifespan of the drill bits and maintaining sharpness for longer periods.
- 118°X TYPE OPENINGS DESIGN - Designed with a spiral flute for smooth, clean drilling and enhanced chip removal. Achieve precise holes effortlessly, reducing the need for multiple drill bits.
8.3Good
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