Top 10 Step Drill Bit for Stainless Steel – Step Drill Bits

As an Amazon Associate I earn from qualifying purchases.



STROTON 4-32mm Metric 6% Cobalt Step Drill Bit for Stainless Steel and Hard Metal 15 Steps

STROTON #ad - 4-32mm 15 steps 4mm, 6mm, 20mm, 12mm, 14mm, 28mm, 10mm, 18mm, 22mm, 16mm, 26mm, 8mm, 30mm, 24mm, 32mm. Grinding the cutting edge three times, ducts, iron plate, with the High HRC and Heat Resistance of the Material, wood, aluminum, Desigh for Cutting through Stainless steel, PVC and Plastic.

Premium m35 6% cobalt steel, 66-69 hrc rockwell hardness Scale, Usually Give the Best Heat, Wear and Chip Resistance and Long Tool Life. This cobalt step drill bit is typically capable of running two to three 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.
BrandSTROTON #ad
ManufacturerSTROTON Ltd #ad
Part NumberCobalt-15s-(4-32mm)

2. Jerax tools


Plastic, M2 HSS Spiral Grooved Step Bit for Stainless Steel, Metal, Wood, Jerax tools 3/16 to 7/8 Inch Step Drill Bit

Jerax tools #ad - M2 hss: cuts a lot more clean holes and much easier than average step bits. Our additional vacuum heat treatment and Nitride surface hardening treatment make the performance even better. Non-stop: our polished steps and size highlights let you able to see target hole size during drilling.

Compared to the straight flutes, making the drilling smoother and creating fewer burrs for the holes. Up to 12ga /2. 7mm thickness for Stainless steel. Marked sizes include: 3/16", 13/16", 3/8", 7/8". Easy & fast: with our high-accuracy cnc processing and optimized spiral design over the years, the Spiral flutes guide the debris out faster by its nature, our spiral flutes design cuts EASY, outperforming the average ones on the market. Save you time and hassle. This one step bit comes with 12 sizes so you can drill 12 different hole sizes, 11/16", 3/4", 1/2", 1/4", 7/16", 5/8", 9/16", 5/16", saving you time and effort to change bits.

In general, m2 has 50% more tungsten and 150% more Molybdenum, both of which are key elements in improving durability. Heavy duty: cuts holes on stainless steel, hardened Metal, Mild steel, Wood, Aluminum, plastic, Copper, galvanized steel, or anything that has similar or lower hardness as these materials. Once you've tried our spiral design, FAST and CLEAN, there's no way back to the straight design. Multi hole sizes: no need to buy a kit.
BrandJerax tools #ad
ManufacturerJerax tools #ad
Height3.55 Inches
Length0.98 Inches
Width0.98 Inches
Part NumberSPG7/8

3. Neiko


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

Neiko #ad - 2-flute design: titanium-coated bit with 2-flute design for versatile drilling in steel, aluminum, copper, stainless steel, 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. Versatile and fast: 3/8" 3-flat shank prevents slippage when drilling new holes or enlarging existing holes. Multiple drill sizes with one bit: 1/4, 3/8, 1-1/4, 7/8, 1-1/8, 1, 3/4, 1/2, 5/8, 1-3/8-inch. Super strong: made of high speed steel and titanium coated for added durability and bit life.
BrandNeiko #ad
ManufacturerRidgerock Tools Inc. #ad
Height1.6 Inches
Length6.1 Inches
Weight0.31 Pounds
Width2.9 Inches
Part Number10194A



3-Piece DWA1790IR, DEWALT Step Drill Bit Set

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



Titanium Coated, Total 10 Sizes, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, COMOWARE Step Drill Bit

COMOWARE #ad - The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation. Hss titanium coating - high speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.

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 steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Safety and stability- the 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.

Design - the split point tip is at 118 degrees to increase the wear resistance. Size includes - one drill with 10 steps: 1/4", 1-1/4", 1/2", 7/8", 1", 3/4", 5/8", 3/8", 1-1/8", 1-3/8" can fit the majority of brands currently on the market. Suitable for home dIY, and General Building/ Engineering Use.
ManufacturerCOMOWARE #ad

6. CO-Z


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

CO-Z #ad - 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.

Universal compatibility - designed for drilling on steel sheets up to 008 in. Compatible with drills 1/4”, 3/8”, PVC and wooden boards up to 0.22 in. Marked with obvious marks for easy and precise hole drilling, acrylic, 1/2”. One bit for all - every bit comes with 10 sizes so you can drill up to 10 holes with different diameters, every package comes with 5 bits, saving you time and efforts to change bits, that makes it 50 diameters in total.

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.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Part NumberSDBCM35CO

7. Chiloskit


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

Chiloskit #ad - Suit for use in hardness under 28 artifacts, aluminum, it is not easy to break and it can be used for deburring, wood No need of center punch. Compared with the ordinary twist drill, Such as: Stainless steel, iron plate, chamfering and open hole on Wood metal plastic。.

Material: m35hss-co. Size :4-32mm, 4-22mm, 3-12mm, 6-24mm, 4-12mm. 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. 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.

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 008 in. Acrylic, pvc and wooden boards up to 02 in. Marked with obvious marks for easy and precise hole drilling, compatible with drills.
BrandChiloskit #ad
ManufacturerPreamer #ad
Part NumberPR-556711

8. CO-Z


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

CO-Z #ad - The board must be smaller in thickness than the height of step drill bits. Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. 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. Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. Chuck sizes. All the bits come in a well-organized case for easy transport and storage.
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

9. CO-Z


Multiple Hole Stepped up Bits for DIY Lovers, CO-Z HSS 5PCS Titanium Spiral Grooved Step Drill Bit Set with Automatic Center Punch, Unibit Drill Bits Set for Sheet Metal with Aluminum Case

CO-Z #ad - Universal compatibility - the step drill bits help you to drill holes with different diameters simultaneously, copper, compatible with aluminum, steel sheets and plastic and wood board that is less than 3mm/0.12 in. Less splashing & saves your money - X-type opening design can facilitate the removal of cutting waste when drilling to keep the drill bit clean.

In thickness. 50 sizes in 5 - our bits set includes five standard step drill bits that are capable to drill 50 holes with different diameters, saving you time and efforts; to make your holes more accurate, please do use a center punch to locate before drilling. Clear laser measurements - the well-manufactured bits come with very highly visible laser measurements for you to easily find the size you want, improving your drilling accuracy.

Durable titanium coated bits w/spiral grooves - the spiral grooved drill cut more smoothly than straight grooved ones, the drill bit is sharp and can easily drill perfect holes in the metal sheet while the Titanium coating improves durability hence lengthening the service life.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Part NumberSDBLXDT06

10. Luckyway


Stainless Steel Drilling, Luckyway 1-Piece 15 Steps HSS-COM35 1/4 Inch to 1-3/8 Inch Titanium Step Drill Bit for Metal

Luckyway #ad - It can be used to bore holes in steel plates up to HRC40 Two-flute design: Clears chips faster and allows particles to escape easily. Features - 135° split point tip: increases cutting speed with self-centering and prevents walking.

Material - hss-com35for longer life, higher efficiency, very easy drilling. Service life: m35>M2>HSS4241. Application - capability and durability in drilling holes in plastic, aluminum, HRC40 steel plate and many other types of sheet metal. If used in 4mm stainless steel plate, stainless steel, copper, can make more than 500 holes. Dimensions - 15 step sizes: 1/4", 9/16", 3/4", 1-1/8", 1-3/16", 3/8", 5/16", 1", 7/16", 1-1/4", 7/8", 1/2", 5/8", 15/16", 1-3/8".
BrandLuckyway #ad
ManufacturerZhenjiang Luckyway Tools Co.,Ltd #ad
Part NumberT000185152A