Best Neiko Step Drill Bits in 2026

PREMIUM STEP BIT: Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal.

STEP DRILL BIT FOR METAL: With a split point tip that accelerates cutting speed while preventing angled walking away from center line of bore, drilling holes in metal is fast, efficient, and clean.

SPIRAL DESIGN: The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 50 step sizes combined, each hole made with these step bits will be precise.

Titanium Nitride Coated two flute spiral design provides longer life and better chip removal

Split point tip increases speed

Laser engraved numbers increases step visibility

REPLACES 28 DRILL BITS: This set includes three standard SAE step drill bits that replace 28 individual drill bits allowing for you to spend more time working, than swapping out drill bits.

TITANIUM COATED HSS UNIBIT: Made of high-speed steel with titanium coating for added durability and bit life. Suitable to drill though plastic, aluminum, copper, stainless steel, and many other types of sheet metal.

SMOOTH DRILLING ACTION: Two-flute spiral design provides faster, smoother cutting without walking and a tri-flat shank to ensure a firm grip. Our titanium 2 step bits for metal are perfect for all your DIY, general building, and engineering tasks.

HIGH-QUALITY DRILL BIT: Our Titanium Drill Bit is made with #4241 high-speed alloy steel and has a titanium nitride coating for extra durability. The 2-flute design makes this bit a fast and long-lasting metal cutting tool.

VERSATILE DRILL BIT: This multifunctional spiral drill bit fits securely in most pistol drills, drill presses, and other hand power tools. Use this versatile small cone-shaped drill bit for metal and wood projects at work or home.

DRILL BIT FOR HARDENED STEEL: Use this steel drill bit for drilling steel, wood, and other thick metal. It has a 135-degree split-point tip and features a 2-fluted spiral design that automatically deburrs and expands holes for a cleaner drilling process.

M35 Cobalt HSS Step Drill: The M35 cobalt HSS step drill is an ideal choice for drilling through a variety of materials such as stainless steel, metal sheet, wood, plastic, aluminum sheet, copper, and other metal sheets.

Spiral Flute Design: The spiral-flute design prevents metal filings from flying around and clears chips faster, allowing for smoother drilling without overheating. The split point tip is at 118 degrees to increase wear resistance.

Widely Applicable: Our step drill bit can process different diameter holes, making it easy to drill through plastic, wood, plank, and soft rubber with low hardness countersunk. Suitable for home DIY and general building/engineering use.

[Four groove step drill] - The ordinary step drill is easy to flex during the cutting process, but the four groove step drill is more stable in the cutting. The service life is twice that of ordinary ladder drills, the drilling accuracy is significantly improved, the cutting speed is faster when drilling, and it has a unique effect on stainless steel drilling.

[M35 Cobalt High Speed Steel] - M35 cobalt high speed steel can be obtained by proper heat treatment with high hardness , high red hardness and high wear resistance. Its toughness and bending strength are higher than that of ordinary high-speed steel, which is better for hard materials.

[TiAlN] -TiAlN coating is a new coating material in recent two years. It has high hardness, high oxidation temperature, good thermal hardness, strong adhesion, low friction coefficient and low thermal conductivity coefficient.

【Heavy Duty for Stainless Steel】 The Cobalt Drill Bits(1.3243 HSS) can drill 6X longer life and 2X faster. This Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, and Copper. If you want to drill faster and many holes on metal, please choose this step drill bit

【Cobalt Bit】 Prefect for Stainless Steel/Metal Sheet/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter!

【120-DAYS WARRANTY】 - If not satisfied for any reason, please contact us for 100% refund or replacement

Material: HSS 4241 (High Speed Steel)

Titanium coated to reduce friction and heat

Automatically deburr holes as you drill

[Material] HSS4341 (high-speed steel) + titanium coating. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you

[What You Will Have] Set of 6 drill tap bits in metric sizes M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5 Short size is not easy to shake and can drill accurately

[Easy to Use]Fast replacement composite cone uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency

Material:：High Speed Steel(HSS) with Titanium Coated

Self starting：no need for a pilot hole.Cobalt coated to reduce friction and run at cooler temperature.

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

MATERIAL: Impact Tough HSS Drill Bit Set. Surface is coated with titanium or not for anti-oxidation and makes these cutters more durable.

SELF-CENTERING DESIGN: Self-centering point, do not need assistant center drilling or center punching. High hardness, rustproof, solid and durable.

TIME SAVER: Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.

[Extra-Heavy Duty+ for Stainless Steel] The M35 Cobalt Drill Bits is Industrial Grade and can drill 8X longer life and 3X faster. This Cobalt Drill bits can help you cut more holes, extra-heavy duty+ for Stainless Steel, Hard steel, Mild Metal, Galvanized Steel, Aluminum,Iron, Wood Plate,PVC and Copper. If you're expanding a lot of holes in metal sheet then please choose this step drill bit

[M35 Cobalt Steel] This M35 Cobalt Drill bit can successfully drill more than 35 holes easily into 1/5" thick Stainless Steel plate like knife through butter!

[12 Steps ︱2-Spiral-Flute] 12 Steps: from 3/16", 1/4", 5/16", 3/8", 7/16",1/2", 9/16", 5/8", 11/16", 3/4" 13/16" to 7/8". 2-Spiral-Flute:Clears Chips faster

Efficient Drilling: This step drill bit delivers fast, precise holes with its sharp, durable cutting edges, making it ideal for metalwork and DIY projects.

Tough and Durable:Aluminum Titanium Nitride Coating - With Rockwell hardness (HRC) 89°, harder materials can be cut, and higher cutting speeds can be achieved. The M35 cobalt drill bit is also less prone to chipping when used for interrupted cuts.

Enhanced DIY Experience: Three Spiral Flutedesign.guarantees a faster and smoother cutting, allows swarf escape easily.Take your DIY projects to the next level

{Good Quality Metarial} Made of HSS 4242,high hardness,strength and longevity.

{Design}Shank Type:Triangle shank; Type:Spiral groove.

{Size}Shank diameter: 10mm(0.39'') for 4-32; 8mm(0.31'') for 4-20; 6mm(1/4'') for 4-12;Hole Cutter step included: 4-12/20/32mm.

1 ) One bit for 12 hole sizes 1/4", 3/8", 19/32", 3/4", 1", 1-3/16", 1-3/8", 1-5/8", 1-3/4", 2", 2-3/16", 2-3/8", so you can drill up holes with different diameters, saving your time and efforts to change bits.

2 ) Durable 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.

3 ) Extra large 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.

Made of industrial-grade M2 high speed steel, heat treated for maximum durability

Two flute spiral design provides longer life and better chip removal,3 flatted shank prevents slipping in drill chuck

Drills 14 hole sizes from 3/16 inch to 1 inch in 1/16 inch increments

The drills twice as fast as the average step drills and can drill acrylic, PVC, wood, aluminum and iron sheets up to 0.2’’ in thickness. Our drill bit is bigger in size so it can drill holes with larger dimensions.ture

cutting blade design makes for cutting faster,automatic deburring from hole when drilling.

Ideal For DIY, Home and General Building/Engineering Using.

Combination Drill and Tap Bit: Thread Size: M6 x 1; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.

Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.

Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.

Durable Material: Made with M35 material, our unibit step drill bit is built to last through multiple uses, without showing signs of wear and tear. If you are not satisfied with the quality, you can contact us any time.

Advanced Coating: Featuring an industrial-grade Aluminium nitride coating with a coating hardness rating of 89HRC3, our titanium drill bits for metal provide superior protection against heat, abrasion, and corrosion.

Effortless Drilling: Our Step drill bits feature a precision split point with a 118-degree angle that makes it easy to start drilling on any surface, including hard materials like stainless steel or metal sheets. Plus, with the added benefit of an Automatic Centre Punch, you can be sure that each hole is cantered and accurately placed.

Material:High speed steel(HSS)

Step quantity:15steps;Total length:10cm

Color: Golden(as picture shown)

Product Name : Step Drill Bit;Material : Metal

Color : GoldTone;Shank Size : 8 x22mm/ 0.3" x 0.87"( D*T )

Cutting Dia : 4-20mm/ 0.16"-0.8";Total Length : 73.5mm/ 2.9"

Which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat

This is the HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter,

It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc

✅【Universal Compatibility】The T-4241 step drill bit can provide fast and smooth drilling on holes of different diameters in steel, aluminum, wood, plastic boards, etc. (NOTE: the board must be thinner than the height of the step drill).

✅【Quick Change】The 1/4 inch hex shank is compatible with impact resistant power tools and allows for quick, easy, and convenient step drill switching.

✅【Hss 30+ Sizes】Drilling Sizes Include: 13 Step Drill Bits (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3 /8, 13/32, 7/16, 15/32, 1/2-inch) 6-step drill bits (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drills (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7 /8") different sized holders ensure compatibility with 1/4, 3/8 and 1/2" chuck sizes to suit your normal needs.

[M2 HSS]: Cuts A LOT MORE CLEAN holes and much EASIER than average step bits. In general, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving durability. 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. No need to stop in the middle of the drilling and check. Save you time and hassle.

[Easy & Fast]: With our high-accuracy CNC processing and optimized spiral design over the years, our spiral flutes design cuts EASY, FAST and CLEAN, outperforming the average ones on the market. Compared to the Straight flutes, the Spiral flutes guide the debris out faster by its nature, making the drilling smoother and creating fewer burrs for the holes. Once you've tried our spiral design, there's no way back to the straight design.

【With Four Spiral Flute】- Our drills are equipped with four spiral flute, which significantly improves the stability of the drill during use. In addition, we have improved the quality of our raw materials, resulting in an extended lifespan that is twice as long as that of ordinary products on the market.

【Wide Range of Sizes】- Our drill bits come in sizes ranging from3/16" to 7/8", making them suitable for a wide range of applications.

【M35 Cobalt Ultra Hard High Speed Steel】- Our drills are made from M35 high speed steel, which contains cobalt and is known for its durability, high pressure resistance, and high wear resistance.

Triple spiral FLUTE - Three cutting blades ensure faster and smoother cutting, while also providing stronger stability, feeling like a hot knife cutting in butter!

TiAlN coating - With a surface hardness of 89 HRC, it can cut harder materials and achieve higher cutting speeds.

M35 cobalt high-speed steel ladder drill - perfect for stainless steel/metal/wood/plastic/aluminum/copper and other metal plates.

WARRANTY - If you are not fully satisfied for any reason, please contact us for 100% refund or replacement. If the hex shank snap off, please contact us for replacement.

FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!

TiAlN COATING- With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.