Top 10 Cobalt Steel Step Drill Bit Set – Step Drill Bits

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1. CO-Z

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50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, CO-Z Step Drill Bits, Multiple Hole Stepped Up Bits for DIY Lovers33, HSS 5PCS Titanium Step Drill Bit Set

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CO-Z #ad - You are capable to drill holes in different sizes which can meet your normal needs. Different sizes of holes can be drilled: different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in.

Chuck sizes. The board must be smaller in thickness than the height of step drill bits. Smooth drilling: non-walking drill tip provides fast and smooth drills on steel sheets, wood board, aluminum sheets, plastic board etc. Use center punch to mark the spot: Please mark the spot that you are to drill for easier drilling and improved drill bits life. Keep your step drill bits well Organized: All the bits come in a well-organized case for easy transport and storage. Extreme durabikity: cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Height6.1 Inches
Length4.33 Inches
Weight1.15 Pounds
Width1.57 Inches
Part NumberCO-Z SDB-0000
ModelCO-Z SDB-0000

2. STROTON

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Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal 1mm-10mm/19pcs

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STROTON #ad - This cobalt drill bit is typically capable of running three to five 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.

Premium m42 8% cobalt steel, usually give the best heat, 68-70 HRC Rockwell Hardness Scale, Wear and Chip Resistance and Long Tool Life. 3 steps desigh for cutting through Stainless Steel, Aluminum, Hard Metals, Plastic.119pcs 135 degree split point drill bits includes :1mmlength:3. 4cm 1. 5mm 2mm 2. 5mm 3mm 3. 5mm 4mm 4. 5mm 5mmlength:8. 5cm 5. 5mm 6mmlength:9cm 6. 5mm 7mm 7. 5mm 8mmlength:11. 5cm 8. 5mm 9mm 9. 5mm 10mmlength:13cm DIA 05mm Increments. The sufficiently sharp bit edge can cut the metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
BrandSTROTON #ad
ManufacturerSTROTON Ltd #ad
Part NumberM42 Cobalt-8(19pcs)
Model.

3. Yesland

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

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Yesland #ad - Yesland hss cobalt high speed steel along with the titanium coating ensures extreme durability which will stay new and shiny for years to come. Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for cleaner operation, keep bit cleaning.

All the bits come in a well-organized case for easy transport and storage. It can also ensures outstanding sharpness, reduce the friction and runs cooler. The drill bits set includes 5 common sizes for versatility, it can fit the majority of brands currently on the market. A drill bits holder with size index is included in the metal kit so that no need to worry about it falling out. Please mark the spot that you are to drill for easier drilling and improved drill bits life.

Non-walking drill tip provides fast and smooth drills on steel sheets, you can process different kinds of diameter holes, wood board, aluminum sheets, plastic board etc. With these step drill bits, which greatly saves you a lot of time. Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 inch chuck sizes. Suitable for DIY, general building or engineering use.
BrandYesland #ad
ManufacturerYesland #ad
Part NumberHT001

4. Irwin Tools

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3-Piece 10502CB, IRWIN Step Drill Bit Set

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Irwin Tools #ad - Irwin drill bits have laser-marked sizes for simple identification. Irwin drill bits have laser-marked sizes for simple identification. Includes #1c, #2c and #3C bits. Drill bits feature a radial concave flute. Drill bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. Speedpoint tip for fast starts. Drill bits feature a radial concave flute. Speedpoint tip for fast starts. Includes #1c, #2c and #3C bits. Drill bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel.
BrandIrwin Tools #ad
ManufacturerIRWIN #ad
Height1.63 Inches
Length7.75 Inches
Weight0.2 Pounds
Width5.5 Inches
Part Number10502CB
Model10502CB

5. ZELCAN

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

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ZELCAN #ad - 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.

Titanium coating - coated by titanium, this step drill set performs well in heat, corrosion and rust resistance. Automatic center punch - delivers an automatic, spring-loaded strike when pressed against surface, high-impact, adjustable cap regulates striking force. Hss steel construction - High-speed steel construction for longer cutting edge life even at extreme temperatures.
BrandZELCAN #ad
ManufacturerCO-Z #ad
Part NumberSDB-2017-06

6. Neiko

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Neiko 10193A Titanium Step Drill Bit Set, 28 Sizes, M2 Steel, Standard SAE

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Neiko #ad - A complete sae set: comes with one 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit.

Titanium coated strength: Made of super strong M2 steel with titanium coating for added durability and bit life. Cuts and deburrs: cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill. Replaces 28 drill bits: this set includes three standard SAE step drill bits that replace 28 individual drill bits. Smooth drilling action: two-flute design provides faster, smoother cutting without walking and a tri-flat shank ensure a firm grip.
BrandNeiko #ad
ManufacturerRidgerock Tools Inc. #ad
Height1 Inches
Length6 Inches
Weight0.02 Pounds
Width4 Inches
Part Number10193A
Model10193A

7. DEWALT

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3-Piece DWA1790IR, DEWALT Step Drill Bit Set

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DEWALT #ad - 1/4-inch hex shank. Works with rotary drills. Optimized for impact driver usage. Laser engraved numbers increases step visiblity. Split point tip of the drill bit increases speed. Titanium two flute spiral design provides longer life and better chip removal for the DEWALT drill bit set.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height0.88 Inches
Length6 Inches
Weight0.31 Pounds
Width5 Inches
Part NumberDWA1790IR
ModelDWA1790IR

8. Neiko

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Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes

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Neiko #ad - Super strong: made of super strong HSS steel for added durability and bit life. A complete sae set: two popular 1/4" and 3/8" shank sizes to cover a wide range of drilling requirements. Cuts and deburrs: cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill. Carrying case: Includes aluminum carrying case. Versatile: set includes five standard SAE step drill bits with a two-flute design for faster, smoother cutting and a tri-flat shank for a sure grip.
BrandNeiko #ad
ManufacturerNeiko #ad
Height1.57 Inches
Length7.95 Inches
Weight1.14 Pounds
Width4.72 Inches
Part Number10197A
Model10197A

9. ZELCAN

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Spiral Step Drill Bit, Multiple Hole Stepped Up Bit for Professionals, Steel, ZELCAN Cobalt Added M35 Step Drill Bit, Metal Sheet, Unibit Drill Bit for Cutting Drilling Holes On Stainless Steel

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ZELCAN #ad - Durable & sturdy w/cobalt added - solid m35 molybdenum high speed construction with cobalt added for extra durability, close to impossible to snap compared conventional drill bits, the unique 3-sided shank prevents slip in drill chuck and reduces shocks; oiling the bits recommended before every use to maximize the service life.

Jam-free performance - dual-flute design and three-sided shank design is optimized for cordless drills in high speed provides greater speed and control while minimizing steel scurf flying around, to lengthen service life, please do not set drilling speed at its maximum to avoid damage to the cutting edge. One bit for all - every bit comes with 10 sizes so you can drill up to 10 holes with different diameters, saving you time and efforts to change bits, every package comes with 5 bits, that makes it 50 diameters in total.

Universal compatibility - designed for drilling on steel sheets up to 008 in. Compatible with drills 1/4”, PVC and wooden boards up to 02 in. Marked with obvious marks for easy and precise hole drilling, acrylic, 3/8”, 1/2”.
BrandZELCAN #ad
ManufacturerCO-Z #ad
Part NumberSDBCM35CO

10. Irwin Tools

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Irwin Industrial Tools 10234CB #4 Unibit 3/16- Inch – 7/8-Inch, 12-Steps Cobalt Step Drill Bit 1/16- Inch Steps

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Irwin Tools #ad - Drills 12 different hole sizes, from 3/16" to 7/8" by 16ths. Single-flute cutting edge drills true round holes with smooth, clean finish. Speedpoint tip prevents "walking, " gets fast starts, and eliminates the need for pilot/starting hole. Cobalt high speed steel for extended cutting edge life makes it ideal for drilling stainless steel.
BrandIrwin Tools #ad
ManufacturerIRWIN #ad
Height0.98 Inches
Length7.13 Inches
Weight0 Pounds
Width3.13 Inches
Part Number10234cb
Model10234CB