Cone Step Drills of 2025
Best Choice1
NordWolf10% OffNordWolf 12-Piece HSS Titanium Metric Step, Countersink, Cone Drills with 1/4" Hex Shank, Multi Drill Saw & Automatic Center Punch Set in Storage Case
Main highlights- 【Step Drills & Cone Drill】3 piece 5/9/14 step drills (4-12/20/32mm) and 1 piece cone drill (8-20mm). Laser marking of step size provide convenient and accurate drilling
- 【Multi-Drill Saw & Center Punch】Multi drill saw (6mm) can be used in combination with drills, saws, rotary files, reamers and routers. Automatic brass center punch provides high impact spring-loaded strike when pressed against working surface; striking force is adjustable by turning cap
- 【High Quality】All drills are HSS Titanium coated, come with 1/4" (6.35mm) hex shank, and are precision ground, heat treatment, and hardened for consistently accurate drilling or enlarging holes into sheet & non-ferrous metals, wood and plastics
- 【Ergonomic Storage Box】Insert hex shank into black plastic holder at 10°-15° first, then push head of product down to fix firmly. Box can be re-used to store other tools by taking out foam inlay
- 【Countersink Drill Bits】6 piece countersink drill bits: 6.3, 8.3, 10.4, 12.4, 16.5, 20.5mm - 90° point, three cutting edges, ideal for deep countersinking
9.8Exceptional
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Value for Money2
Klein Tools39% OffKlein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets, 3/8-Inch Hex Shank
Why we love it
Highly durable with extended lifespan.
Versatile for multiple materials.
Ensures precise and clean drilling.
9.7Exceptional
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3
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 time9.4Excellent
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4
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.
9.3Excellent
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5
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.
9.0Excellent
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6
ZELCANZELCAN Step Drill Bit Set, 5PCS Four Spiral Flute Step Bits for Metal, 50 Sizes Titanium-Coated HSS Drill Bits with 1/4" Hex Shank for Stainless Steel Aluminum Wood Plastic
Why we love it
Effortless drilling on tough materials.
Quick and easy bit changes.
Durable and long-lasting performance.
8.9Very Good
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7
OCGIGOCGIG 6-65mm Large Titanium Coated Step Drill HSS Spiral Groove Cone Drill Bit Hole Cutter
Main highlights- Spiral Design：3 Flute spiral blade design makes the cutting faster and smoother, and automatically deburred from the hole when the drill bit is drilled
- Self starting：no need for a pilot hole.Cobalt coated to reduce friction and run at cooler temperature.
- Package includes：1 x 6-65mm HSS Groove Step Drill (13 Steps:6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm)
- Material:：High Speed Steel(HSS) with Titanium Coated
- Application：Suitable to cut holes in a variety of material like iron plate, aluminum plate, insulation boards, PVC sheet, ect
8.8Very Good
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8
Pro Edge Technology6pcs Step Drill Bits for Metal, Step Drill Bit Set 50 Sizes Tri-Flat Shank HSS Titanium-Coated with Center Punch for Aluminum, Wood, Plastic, with Aluminum Case, from Pro-Edge Technology
Main highlights- 【WIDE APPLICATIONS】: This step drill set is not only suitable for metal processing, but also can be used for drilling holes in wood, plastic and composite materials. Whether you are a professional machinist, carpenter, or a home DIY enthusiast, you can benefit from it.
- 【SERVICE GUARANTEE】: If you encounter any issues during use, please feel free to contact us at any time. We will respond to you within 24 hours and provide a solution.
- 【LESS DRILL BITS WITH MORE SIZES】:This high-speed steel step drill bit set includes 5 step drill bits with 50 sizes.The step-by-step design of the step drill bits allows it to gradually expand in a hole, meeting various drilling needs for different diameters. The step drill bit does not need to be replaced when holes with different diameters are machined.
- 【HIGH WEAR RESISTANCE】: This set is made from high-speed steel and combined with titanium coating, providing the drill bits with excellent wear resistance and heat resistance.3x longer life with uncoated step drill bit.
- 【118° SPLIT POINT TIP & SIZES MARKING】: The 118° split point tip can minimize friction and resistance during the cutting process, thereby improving cutting efficiency. The laser-etched size markings provide positioning assistance for precise drilling, making the operation more user-friendly.
8.5Good
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9
XanaduedStep Drill Bit 20mm 35mm 50mm, Multi Layer Tapered Reamer, Diamond Cone Tile Bit, Multilayered Cone Reamer, Cone Drill Bit Hole Opener for Metal, Wood, Concrete, Tile, Marble, Engineered Stone
Main highlights- Wide Applicability: The Multilayered Cone Reamer is designed for various materials like concrete, tiles, marble, and engineered stone, making it indispensable for construction, decoration, and DIY projects. Available in three sizes (20mm, 35mm, 50mm)
- Versatile & Compatible: The Multi-Layer Tapered Reamer ensures efficient hole reaming and chamfering, with a 14mm threaded shank for 100-type angle grinders. A conversion rod allows handheld drill use. Supports both wet and dry drilling
- User-Friendly Design: The Multilayered Cone Reamer is ideal for professionals and hobbyists alike, making it an essential tool for workers, technicians, and mechanics. A valuable addition to any drilling tool kit
- Superior Cutting & Longevity: The Multi-Layer Tapered Reamer is constructed with high-grade diamond particles in a robust metal matrix, ensuring exceptional hardness, extended lifespan, and cutting performance. The lengthened threaded interface enhances sturdiness
- Multi-Layer Diamond Structure: Featuring a top-grade diamond coating, the Multi-Layer Tapered Reamer offers excellent wear resistance and long-term cutting performance. Its multi-layer design enables smooth and gradual hole diameter adjustment
8.4Good
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10
Milwaukee16% OffMilwaukee Electric Tool 48-89-9209 Electric Step Drill Bit, No 9, Silver metallic
Main highlights- Highly visible reference marks make it easy to stop on any hole size
- For use in cordless drills in high speed
- 7/8” and 1-1/8” step bit
- 3-Flat secure grip reduces slippage
8.3Good
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