Top 10 Step Bit Metric – Drill Bits

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Plastic Wood, HSS Cone Drill Bit with 1/4" Hex Shank Drive Quick Change(3-12 mm 4-12 mm 4-20 mm)for DIY Woodworking, NACHEE 3Pcs Metric Titanium Coated Step Drill Bit Set

NACHEE #ad - The drill tip adopts a 135°bifurcated tip design, prevents the step drill bit from slipping during operation. A necessity for family or handyman or professionals. Perfect for home repairs and light jobs such as drilling holes in aluminum, Wood, Insulation Boards, copper, PVC sheet, and many other types of sheet metal.

The step drill bit is durable and strong enough to punch and drill clean holes in materials like wood, plastic etc. It can also help to enlarge existing holes and clean edges. Performs well in heat, corrosion, and rust resistance. Suitable for hand-held drilling rigs, milling machines, and windows, drilling machines, and modification, for metal sheet, maintenance, home appliances, and machining centers, bridge doors, etc.

Titanium plating process to reduce friction and heat. Two-flute design, clears chips faster, smooth cutting. High-speed steel construction and for longer cutting edge life even at extreme temperatures.
BrandNACHEE #ad
ManufacturerNACHEE #ad
Height1 Inches
Length4 Inches
Width3 Inches
Part Numbernc drillbit4
Modelnc drillbit4

2. Neiko


Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, NEIKO 10198A Step Drill Bit Set | 5 Piece

Neiko #ad - The design of the tip angle increases cutting speed with self-centering and prevents walking off the surface of workpiece. Multiple hole drill bit: 6 millimeter shank: 9 steps- 4, 13, 5, 8, 6, 20, 8, 5 steps- 4, 32, 22mm and 10mm shank 13 steps- 6, 12, 8, 10, 12 mm, 18 mm, 14, 16, 10, 9 10, 16, 6, 25, 28, 30, 18, 11, 20, 10, 8, 14, 10 steps- 4, 6, 12, 8, 10, 22, 16, 18, 7, 12 mm and 8mm shank 7 steps- 6, 35 mm.

2 flute design: this metric stepper drill bit has a two-flute design that clears chips faster, smoother, and allows particles to escape easily making cleaner holes at any worksite. Hss cobalt step bit: this step up drill bit set cuts through steel, wood, plexiglass, enlarges a hole, sheet metal, and other surfaces creating relatively clean holes with only a small amount of pressure and deburrs as you drill.1

135° split point tip: each step down drill bit is made with high strength HSS and is black and cobalt-treated for added durability to ensure long service life and longevity. Tri-flatted shank: each unibit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
BrandNeiko #ad
ManufacturerRidgerock Tools Inc. #ad
Height1.73 Inches
Length6.02 Inches
Weight1.14 Pounds
Width4.88 Inches
Part Number10198A

3. NordWolf


Cone Drills with 1/4" Hex Shank, Multi Drill Saw & Automatic Center Punch Titanium HSS Set in Ergonomic Storage Box, NordWolf 12-Piece Metric Step, Countersink

NordWolf #ad - Countersink drill bits6 piece hss titanium coated countersink drill bits: 6. 3, 16. 5, three cutting edges, 104, 205mm - 90° point, 8. 3, non-ferrous metals, ideal for deep countersinking on metals, mild steel, 12.4, wood and plastics.

Multi-drill saw & center punchhss titanium coated multi drill saw 6mm can be used in combination with drill, saw, rotary file, reamer and router for wood pull grooving. Automatic brass center punch provides high impact spring-loaded strike when pressed against working surface; striking force is adjustable by turning cap. Cone drillhss titanium coated cone drill 8-20mm and step drills are precision ground, heat treatment, and hardened for consistently accurate drilling or enlarging holes into sheet steel, non-ferrous metals, wood and plastics.

Step drills3 piece hss titanium coated 5/9/14 step drills 4-12/20/32mm. Laser marking of step size provide convenient and accurate drilling. Box can be re-used to store other tools by taking out foam inlay. Ergonomic storage boxinsert hex shank into black plastic holder at 10°-15° first, then push head of product down to fix firmly. All drills come with 1/4" 6. 35mm hex shank.
BrandNordWolf #ad
ManufacturerHangzhou Huikang Tools #ad
Part NumberNW-19005



Hymnorq Metric Titanium Coated HSS Spiral Groove Step Drill Bit Set of 3pcs 4-12/4-20/4-32mm with 1/4" Hex Shank Packed in Reusable Case for Cutting Holes in Iron Plate Aluminum Plate, etc.

HYMNORQ #ad - The finished hole can often be made quite smooth and burr-free, especially in plastic. Save you time and effort. Commonly used on sheet metal and in general construction. Self-starting, no need of center punch.

Made of high quality hss high-speed steel 4241 and coated with Titanium for prolonged life. The short length of the unibit and ability to vary the diameter of the finished hole is an advantage in chassis or front panel work. Automatically deburrs holes left by other bits, as the sharp increase to the next step size allows the cutting edge to scrape burrs off the entry surface of the workpiece.

Conical bit with a stairstep profile to be used for drilling 19 hole sizes ranging from 4-32mm, to replace 19 individual drill bits. One drill bit can drill the entire range of holes necessary on a countertop, speeding up installation of fixtures. Ideal for use in electrical work where thin steel, aluminum or plastic boxes and chassis are encountered.
BrandHYMNORQ #ad
ManufacturerHymnorq #ad
Part NumberDC015

5. NewShark


Multiple Hole Stepped Up Bits for Stainless Steel Hard Metal and Cast Iron, HSS M35 5% Cobalt Metric Step Drill Bit Set 4MM-32MM, Step Drill Bit, 15 Sizes Step Bit for Impact Driver

NewShark #ad - Ideal for cutting stainless steel, aluminum alloys and other softer metals. Not applicable to high carbon steel and heat treated steel. Pay attention to speed, steel and cast iron as well as wood, pressure and heat control when drilling.

Structural designwith the step drill bits we offered, machining holes of different diameters saves a lot of trouble. Drill metric sizes: 4mm-32mm, the difference between each layer is 4mm. Split point tip at 118 degrees for added abrasion resistance. Serviceif you have any problem with our metric drill bit set or are not satisfied with the product, please feel free to contact us. The dual edge design provides a smoother cut and allows material particles to easily escape for a cleaner drilling operation.

Hss m35 5% cobalt coatinghigh speed steel along with cobalt coating ensures outstanding durability and sharpness, can reduces the friction. Requirement m35 cobalt high speed steel is more suitable for hardening materials. Efficiencythe double-edged design keeps metal filler from flying around and clears chips faster, so you can drill more smoothly without heating. Not suitable for glass or ceramic materials.
BrandNewShark #ad
ManufacturerNewShark #ad
Height3.07 Inches
Length1.26 Inches
Width1.26 Inches
Part NumberE50022



Step Drill Bit Set for Metal, 1/4inch High Speed Steel Titanium Coated Metric Straight Groove Step Drill Bits Set with Automatic Spring Loaded Center Punch Power Tools

HTWORGRE #ad - Hexagonal design : hex shank fits into all power tools more easily and securely, especially for locking into quick change chuck. Materialhss combined with a titanium coating. Widely usedperfect step drill bits suitable for drill holes in various material: within 3mm/012 inch iron plate, tile floors, glass, Aluminum Plate; within 5mm/0.

2 inch wood, Insulation Boards. Set includesbit #1 5 steps: 4-12mm 4mm, 6mm, 8mm, 16mm, 8mm, 24mm, 14mm, 12mm, 22mm, 14mm, 10mm, 12mm; bit #2 9 steps: 4-20mm 4mm, 6mm, 20mm; bit #3 15 steps: 4-32mm 4mm, 10mm, 26mm, 28mm, 30mm, 20mm, 12mm, 16mm, 18mm, 10mm, 8mm, 18mm, 6mm, 32mm ;1 Automatic Spring Loaded Center Punch Power Tools.

Not suitable for hard and brittle materials such as stainless steel, PVC sheet, Copper Plate, walls etc. It is better clamped on the pistol drill to prevent slippage and shedding during the rotation. One-year warranty: for customer satisfaction and 1-Year warranty of step drill kit can be guaranteed. If you have any questions, Please Contact Us. More capable and durable.
ManufacturerHTWORGRE #ad
Part NumberGU-5

7. LepoHome


Wood, Aluminum Hole Drilling Metric 4-12mm/4-20mm/4-32mm, Metal Sheet, 1/4" Hex Shank Quick Change High Speed Steel Cone Drill Bit Kit for Plastic, 3Pcs HSS Titanium Coated Step Drill Bit Set

LepoHome #ad - Not suitable for hard and brittle materials such as stainless steel, glass, Aluminum Plate; within 5mm/02 inch wood, tile floors, PVC sheet, Copper Plate, walls etc. Package included 3-piece hss groove step drill bit 4-12/ 4-20/ 4-32mm.

Set includesbit #1 5 steps: 4-12mm 4mm, 20mm, 10mm, 28mm, 26mm, 10mm, 20mm; bit #3 15 steps: 4-32mm 4mm, 12mm, 8mm, 6mm, 12mm; bit #2 9 steps: 4-20mm 4mm, 8mm, 18mm, 14mm, 16mm, 6mm, 14mm, 24mm, 30mm, 12mm, 10mm, 8mm, 16mm, 6mm, 22mm, 18mm, 32mm.11/4" hex shaft drives are suitable for all kinds of for home DIY power drills.

More capable and durable. High step design let you feel the stop and never drill bigger in mistake. Widely usedperfect step drill bits suitable for drill holes in various material: within 3mm/012 inch iron Plate, Insulation Boards. Easy drillingtwo-flute design for smoother cutting. Materialhss combined with a titanium coating.
BrandLepoHome #ad
ManufacturerLepoHome #ad



Wood, 1/4" Hex Shank Quick Change High Speed Steel Titanium Coated Drill Bits for Plastic, Well-Organized Bag Included,Metric, WORKPRO 3-Piece Step Drill Bit Set, Aluminum Hole Drilling, Sheet Metal

WORKPRO #ad - High speed steel along with titanium coating ensures outstanding durability and sharpness for plastic, copper, aluminum, stainless steel hole drilling.

Quick change 1/4" hex shank 6. 35mmcan be easily fit into power driver, drill and press drill. Set includes: bit #1 5 steps: 4mm, 28mm, 6mm, 30mm, 26mm, 10mm, 12mm, 8mm, 14mm, 6mm, 18mm, 10mm, 18mm, 20mm, 8mm, 6mm, 24mm, 14mm, 16mm, 12mm, 22mm, 16mm, 10mm, 12mm; bit #2 9 steps: 4mm, 8mm, 20mm; Bit #3 15 steps: 4mm, 32mm. A well-organized bag included to provide users with easy storage and transport. Two-flute design provides faster, smoother, accurate cutting and prevents metal scurf from flying around for improved safety.
BrandWORKPRO #ad
ManufacturerHangzhou Great Star Industrial Co.,LTD. #ad
Part NumberW004585AE

9. Chicago Latrobe


118 Degree Conventional Point, Chicago Latrobe, 13.0mm in 0.1mm increments, 57727 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118-piece, Metric, 1.0mm

Chicago Latrobe #ad - Black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material. Made in the USA. High-speed steel HSS provides hardness for wear resistance. Drill bits conform to DIN 338 standard. Set of 118 jobber length drill bits includes metric sizes 1. 0 through 13. 0 mm in 01 mm increments. 118-degree conventional point for a range of drilling applications.
BrandChicago Latrobe #ad
ManufacturerGreenfield Threading #ad
Height13.7 Inches
Length5 Inches
Weight10 Pounds
Width3 Inches
Part Number57727



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

STROTON #ad - 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.

4-32mm 15 steps 4mm, 30mm, 14mm, 10mm, 24mm, 20mm, 16mm, 12mm, 26mm, 28mm, 6mm, 8mm, 18mm, 22mm, 32mm. Grinding the cutting edge three times, iron plate, wood, with the High HRC and Heat Resistance of the Material, Desigh for Cutting through Stainless steel, aluminum, ducts, PVC and Plastic. Premium m35 6% cobalt steel, usually give the best Heat, 66-69 hrc rockwell hardness Scale, Wear and Chip Resistance and Long Tool Life.
BrandSTROTON #ad
ManufacturerSTROTON Ltd #ad
Part NumberCobalt-15s-(4-32mm)