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If you looking for step drill bit for metal heavy duty then you are right place. We are searching for the best step drill bit for metal heavy duty on the market and analyze these products to provide you the best choice.

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Best step drill bit for metal heavy duty reviews

1. CO-Z 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 Lovers33

Feature

Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
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).
Please mark the spot that you are to drill for easier drilling and improved drill bits life.
All the bits come in a well-organized case for easy transport and storage.

2. Neiko 10194A Titanium Step Drill Bit, High Speed Steel | 1/4" to 1-3/8" | Total 10 Step Sizes

Feature

2-FLUTE DESIGN: Titanium-coated bit with 2-flute design for versatile drilling in steel, stainless steel, copper, aluminum, and other surfaces
CUTS AND DEBURRS: Cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill
SUPER STRONG: Made of high speed steel and titanium coated for added durability and bit life
MULTIPLE DRILL SIZES WITH ONE BIT: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8-inch
VERSATILE AND FAST: 3/8" 3-flat shank prevents slippage when drilling new holes or enlarging existing holes

3. Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 3-Piece Genuine M2 HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 28 Sizes from 1/8 to 1/2 inches

Feature

1 ) Genuine M2 high speed steel with the black coating ensures durability and sharpness, reduces the friction, runs cooler, performs well in heat, corrosion and rust resistance, for longer cutting edge life even at extreme temperatures.
2 ) 28 size in 3 Multiple Hole Stepped up Bits, have many steps which contain multiple diameters, convenient to drill different hole size by using a step drill rather than many drills, ideal for DIY projects at home, garden, workshop etc.
3 ) The split point tip is at 118 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, can be used on electrical drill, cordless drill, or high impact drill press machine.
4 ) Come with a well-organized pouch for easy and safe storage. A automatic center punch for marking the drill position, delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
5 ) If you aren't satisfied with your purchase, contact us through email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store.

4. Milwaukee GIDDS2-2475514 Step Bit 3-Piece Set (#1, 2, 4)

Feature

Delivers high performance in heavy-duty applications
All-metal ratcheting keyless chuck for greater bit retention
Soft grip handle design offers increased gripping surface and comfort

5. Chiloskit M35 Cobalt Spiral Grooved Industrial Unibit Step Drill Bits Stainless Steel Metal Woodworking Hole Drilling Tool Bit, Set of 5

Feature

Easily drills on iron sheets, stainless steel sheets, steel sheets as well as aluminum sheets.Revolutionary spiral flute design to minimize the flying metal ashes, making the drilling process as well as the hole significantly smoother.
You can use water to cooling it when it is work and it can be used for even longer.Universal Compatibility ----- Designed for drilling on steel sheets up to 0.08 in., acrylic, PVC and wooden boards up to 0.2 in.; marked with obvious marks for easy and precise hole drilling, compatible with drills
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.
Suit for use in hardness under 28 artifacts,(Such as: Stainless steel , iron plate, aluminum, wood )No need of center punch.Compared with the ordinary twist drill,it is not easy to break and it can be used for deburring, chamfering and open hole on Wood metal plastic
Material: M35(HSS-Co).Size :4-32mm,6-24mm,4-22mm,3-12mm,4-12mm

6. Step Drill Bit For Metal, Step Drill Bit, CORTOOL Titanium High Speed Steel Step Drill Bit Set, Unibit Step Drill Bit, Step Drill Bit For Metal, Heavy Duty Step Bit, HSS Drill Bit Set Total 23 Sizes 1/4"-1-3/8", 3/16"-7/8" (2-Piece Set)

Feature

Two-fluted design provides faster,smoother cutting,provided with small pressure and the sets.
The 3-flat shank titanium drill uses a doubleedged design to make cutting smoother and smoother;Increases cutting speed with self-centering and prevents walking.
Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron sheet and many other types of sheet metal (excluding steel or any other harder metal).
Classic High Speed Steel With Titanium Coating For Proven Capability and Durability. Increases Cutting Speed With Self-Centering And Prevents Walking.
Your customer satisfaction and 30-day warranty of step drill bit can be guaranteed.

7. SHARPTOOL 1/4 to 1-3/8 Inches HSS Step Drill Bit for Metal, Plastic, Wood, Aluminum, Heavy Duty Unibit with Multi Hole Sizes

Feature

SHARPER | FASTER | Cut MORE holes: SHARPTOOL step bits are made of M2 High-speed steel which is much more stronger than ordinary HSS. This strong material makes it EASIER to drill holes especially in metal and ensures longer lifetime to cut MORE holes!
Surface NIRTIDING TREATMENT provides excellent wear resistance compared to titanium coating.
HIGH-VISIBILITY size marks for primary hole sizes will really save your time during drilling! 15 Step sizes allows you to drill holes of various diameters. You can easily stop on any hole size! Size includes 1/4", 11/32", 27/64", 1/2", 19/32", 11/16", 25/32", 7/8", 11/32", 1-3/64", 1-1/8", 1-7/32", 1-1/4", 1-5/16", 1-3/8".
NO PILOT HOLES REQUIRED | Split point tip allows you to drill directly on the material without any pilot holes. Self-centering and non-walking tip design will make your drilling work FASTER and EASIER!
DOUBLE FLUTES & TRI-FLATTED SHANK | Double flutes design provides faster cutting and drilling than single flute bits. 3/8 Thick tri-flatted shank makes it fit impact driver or other power tools securely and non-slip.

8. Lichamp Step Drill Bit for Metal Sheet Heavy Duty, Genuine M2 HSS Step Up Down Drill Bit Stepper Unibit for Steel Hole, 10 Sizes from 1/4 to 1-3/8 inches

Feature

1 ) Genuine M2 high speed steel with the black coating ensures durability and sharpness, reduces the friction, runs cooler, performs well in heat, corrosion and rust resistance, for longer cutting edge life even at extreme temperatures.
2 ) 10 size multiple hole stepped up bits, have many steps which contain multiple diameters, convenient to drill different hole size by using a step drill rather than many drills, ideal for DIY projects at home, garden, workshop etc.
3 ) The split point tip is at 118 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, can be used on electrical drill, cordless drill, or high impact drill press machine.
4 ) One bit for 1/4" to 1-3/8" 10 steps hole sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", so you can drill up holes with different diameters, saving your time and efforts to change bits.
5 ) If you aren't satisfied with your purchase, contact us through email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store.

9. Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece Genuine M2 HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes from 1/8 to 1-3/8 inches

Feature

1 ) Genuine M2 high speed steel with the black coating ensures durability and sharpness, reduces the friction, runs cooler, performs well in heat, corrosion and rust resistance, for longer cutting edge life even at extreme temperatures.
2 ) 50 size in 5 Multiple Hole Stepped up Bits, have many steps which contain multiple diameters, convenient to drill different hole size by using a step drill rather than many drills, ideal for DIY projects at home, garden, workshop etc.
3 ) The split point tip is at 118 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, can be used on electrical drill, cordless drill, or high impact drill press machine.
4 ) Come with a heavy duty aluminum case for easy and safe storage. A automatic center punch for marking the drill position, delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
5 ) If you aren't satisfied with your purchase, contact us through email at any time you want, and we'll issue you a refund, to ensure you have a nice shopping experience in our store.

10. TOOLEAGUE Drill Step Bit Double Fluted Step Drill Bit for Metal Heavy Duty, Multiple Hole Stepped Drill Bit, Genuine High Speed Steel Step Drill Bit Set 3 Pcs 29 Sizes

Feature

Step drill bit set:Constructed of high-quality HSS 4242, with high hardness, high strength and prolonged cutting edge life. Step drills are good in terms of heat resistance, corrosion resistance and rust resistance under extreme temperatures.
MULTIPLE HOLE DRILLING CONE DRILL BIT SET:3 drill bits, 29 sizes, our drill bit set includes 3 standard step drill bits, capable of drilling 29 holes of different diameters, thus saving your time and effort.
X-SHAPED OPENING DESIGN:The step drill bit set for metal heavy duty can facilitate the removal of cutting waste when drilling. The two-edged design makes the cutting smoother and makes the material particles easier to escape, thereby achieving a cleaner drilling operation.
HSS DOUBLE-FLUTED STEP BIT KIT:The stepped drill bit very suitable for home repairs and light jobs, such as drilling holes in plastic, aluminum, copper, wood and many other types of sheet metal. Suitable for steel plate with a thickness less than 3MM.
APPLICABLE TOOLS:The drill step bit suitable for pistol drill or bench drill, cooling water to extend its service life. The appropriate drilling speed is 250-400 rpm. Compared with traditional drills, the impact is minimal and it is almost impossible to break.

Conclusion

By our suggestions above, we hope that you can found the best step drill bit for metal heavy duty for you. Please don't forget to share your experience by comment in this post. Thank you!