Top 10 Cobalt Step Drill Bit Set – Step Drill Bits

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1. CO-Z

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CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

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CO-Z #ad - Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come. Please mark the spot that you are to drill for easier drilling and improved drill bits life. Chuck sizes. All the bits come in a well-organized case for easy transport and storage. Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. 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.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Height6.1 Inches
Length4.33 Inches
Width1.57 Inches
Part NumberCO-Z SDB-0000
ModelCO-Z SDB-0000

2. WIOR

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Professional Unibit with Aluminum Case for Drilling Holes on Metal Aluminium Wood-Total 50 Sizes, 5pcs High Speed Steel Cobalt Step Drill Bit Set with Double Cutting Blades Design, WIOR Step Drill Bit

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WIOR #ad - Sturdy & durableconstructed from titanium coated high-speed steel, and corrosion and can reduce friction and ensure extreme durability, oxidation, the metal drill bit set is highly resistant to rust, which will still stay strong after years of use. Tri-sided shank & easy-to-read markingsthe unique tri-sided shank design that prevents slipping in drill chunk and reduces shocks, the easy-to-read step markings are laser-graved, makes the hss drill bit set fit securely into majority pistol drill and drill press.

Two-flute design & x-type split pointour stepped drill bit with a 135° X-type split point tip and the self-centering function, guarantees a faster and smoother cutting, adopts the two-flute design, which prevents walking, and allows material particles to escape easily when drilling to keep the drill bit clean.550 sizes in 5pcsthis drill set includes 5 standard uni bit step drill bits, saving your time and efforts to change bits.

Note: the drill bit set is not suitable for hard and brittle materials such as stainless steel, the 50 sizes carbide drill bit set is ideal for home repairs, aluminum, general building, glass, wood, iron sheet, and many other types of sheet metal, copper, walls, etc. So you can drill up to 50 holes with different diameters, and organization. Besides, not easy to wear out and save time for you when drilling holes. And it comes with an extra protective aluminum case for easy select, storage, which includes 50 sizes. Wide applicationsuitable for drilling holes in plastic, tile floors, and engineering construction use.
BrandWIOR #ad
ManufacturerWIOR #ad
Part Number0

3. DEWALT

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3-Piece DWA1790IR, DEWALT Step Drill Bit Set

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DEWALT #ad - Optimized for impact driver usage. Laser engraved numbers increases step visibility. Titanium two flute spiral design provides longer life and better chip removal. Split point tip increases speed.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height0.88 Inches
Length6 Inches
Weight0.31 Pounds
Width5 Inches
Part NumberDWA1790IR
ModelDWA1790IR

4. HYCLAT

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HYCLAT 5pcs Titanium Step Drill Bit, High-Speed Metal Steel Step Drill Bit Set with Aluminum Case, Hss Cobalt Multiple Hole 50 Sizes

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HYCLAT #ad - Features: 5pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. You don't have to replace drill bit constantly for different bore sizes. Double cutting blades & three-sided shank - double cutting blades and X-type openings design ensure a faster and smoother cutting; 3-sided shank design prevents slip in drill chuck can cut through the wood, steel, sheet metal, and other surfaces.

What you get - hyclat step drill, aluminum case or Canvas Bag, 24 months warranty - Ideal Gift for Father's Day, Perfect for DIY lover. It's can work as 50pcs twist drill bits. The step drill bits can work with stainless steel sheets, aluminum alloy, and wood.

Titanium high-speed steel: classic and sturdy high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, copper, aluminum, stainless steel and many other types of the metal sheet. The protective aluminum case makes the drills not easy to dull. Widely application: the step drill bits can be used to chamfer, plastic material, bur, and drill or enlarge holes.
BrandHYCLAT #ad
ManufacturerHYCLAT #ad
Weight0.9 Pounds
Part NumberHSS0501
ModelHTSDB5

5. Segomo Tools

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Segomo Tools 5 Piece SAE Multiple Hole 50 Sizes HSS Cobalt Step Drill Bit Set with Aluminum Case

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Segomo Tools #ad - 12 steps: 3/16, 1/4, 3/8, 1-1/8, 5/16, 7/16, 3/8, 5/8, 5/32, 1/4, 11/32, 7/16, 1/2. Made from high speed steel 4241 with titanium coating for long life and easy cutting/drilling through steel sheets, aluminum sheets, wood board, plastic board etc.

Drill bit 4: 1/4". Drill bit 5: 1/4". Drill bit 3: 3/8". The bits come supplied in an organized aluminum case for easy storage and transport. 5 piece step drill bit set 50 sizes in total with non-walking drill tips. Drill bit 2: 3/8". Set includes: drill bit 1: 3/8". 10 steps: 1/4, 3/4, 15/32, 3/16, 7/32, 1/2, 3/4. 9 steps: 1/4, 13/32, 1/2, 1/2.6 steps: 3/16, 3/8, 13/16, 3/8, 5/16, 5/16, 9/16, 3/4, 1/2, 1-1/4, 9/32, 7/16, 1/4, 5/8, 11/16, 1, 5/8, 3/8, 7/8.13 steps: 1/8, 7/16, 7/8, 11/16, 5/16, 9/16, 1-3/8. Different sized shanks ensure full compatibility with 1/4, 3/8 and 1/2 inch chuck sizes.
BrandSegomo Tools #ad
ManufacturerSegomo Tools #ad
Weight1.05 Pounds
Part NumberSDS5SAE

6. CO-Z

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50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, Multiple Hole Stepped Up Bits for DIY Lovers

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CO-Z #ad - Titanium coating - coated by titanium, this step drill set performs well in heat, corrosion and rust resistance. Hss steel construction - High-speed steel construction for longer cutting edge life even at extreme temperatures.

50 size in 5 - the bits set includes five standard step drill bits that can replace 50 individual drill bits. A must-have for handyman or professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal. Automatic center punch - delivers an automatic, spring-loaded strike when pressed against surface, high-impact, adjustable cap regulates striking force.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Part NumberSDB-2017-06

7. Yesland

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Yesland 5pcs Hss Cobalt, Multiple Hole 50 Sizes High Speed Metal Step Drill Bit Set with Aluminum Case

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Yesland #ad - Non-walking drill tip provides fast and smooth drills on steel sheets, which greatly saves you a lot of time. The drill bits set includes 5 common sizes for versatility, it can fit the majority of brands currently on the market. Yesland hss cobalt high speed steel along with the titanium coating ensures extreme durability which will stay new and shiny for years to come.

With these step drill bits, wood board, general building or engineering use. Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 inch chuck sizes. It can also ensures outstanding sharpness, reduce the friction and runs cooler. All the bits come in a well-organized case for easy transport and storage.

A drill bits holder with size index is included in the metal kit so that no need to worry about it falling out. Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for cleaner operation, keep bit cleaning. Please mark the spot that you are to drill for easier drilling and improved drill bits life. Suitable for diy, you can process different kinds of diameter holes, aluminum sheets, plastic board etc.
BrandYesland #ad
ManufacturerYesland #ad

8. COMOWARE

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High Speed Steel, Titanium Coated, Short Length Drill Bits Set of 5 pcs, Total 50 Sizes with Aluminum Case, COMOWARE Step Drill Bit Set & Automatic Center Punch- Unibit, Double Cutting Blades

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COMOWARE #ad - 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.

Set includes - the drill bits set includes five common sizes for versatility, can fit the majority of brands currently on the market. Design - the split point tip is at 118 degrees to increase the wear resistance. Easy organizing - a drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.

The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation. 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 metal/wood/plastic countersunk.
BrandCOMOWARE #ad
ManufacturerCOMOWARE #ad

9. Neiko

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Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes

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Neiko #ad - Tri-flatted shank: fits into power tools chuck securely and eliminates slip. Two-flute design: clears chips faster and allows particles to escape easily.

135° split point tip: increases cutting speed with self-centering and prevents walking. Titanium | high speed steel: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, copper, aluminum, stainless steel and many other types of sheet metal. Set includes: bit #1 6 steps: 3/16", 1/2"; bit #3 9 steps: 1/4", 3/8", 5/16", 5/16", 11/32", 5/16", 9/16", 13/32", 3/8", 7/16", 11/16", 5/8", 3/8", 1/4", 15/32", 7/16", 7/32", 7/16", 5/32", 1/4", 3/16", 9/32", 1/2"; bit #2 13 steps: 1/8", 1/2", 3/4".
BrandNeiko #ad
ManufacturerRidgerock Tools Inc. #ad
Height1 Inches
Length6 Inches
Weight0.02 Pounds
Width4 Inches
Part Number10193A
Model10193A

10. Klein Tools

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Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch

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Klein Tools #ad - High-visibility silver targets for primary hole sizes. Thick 3/8-inch hex shank won't round out in the drill chuck for a more positive grip. Fast-starting, non-walking drill tip. Two flutes cut faster and keep bit cooler. 3 hole sizes.
BrandKlein Tools #ad
ManufacturerNorth Coast Electric #ad
Height0.7 Inches
Length5.2 Inches
Weight0.35 Pounds
Width3.4 Inches
Part NumberKTSB15
ModelKTSB15