Top 10 Uni Bits Set for Metal – Step Drill Bits

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1. Klein Tools


3/8-Inch Hex Shank, Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch with Easy-to-Read Step Markings and Targets

Klein Tools #ad - High-visibility silver targets for primary hole sizes. Thick 3/8-inch hex shank won't round out in the drill chuck for a more positive grip. Two flutes on this Step Drill Bit cut faster and keep bit cooler. Fast-starting, non-walking drill tip. 3 hole sizes.
BrandKlein Tools #ad
ManufacturerNorth Coast Electric #ad
Height0.7 Inches
Length5.2 Inches
Weight0.35 Pounds
Width3.4 Inches
Part NumberKTSB15



Titanium Coated, Total 50 Sizes with Aluminum Case, High Speed Steel, Short Length Drill Bits Set of 5 pcs, Double Cutting Blades, COMOWARE Step Drill Bit Set & Automatic Center Punch- Unibit

COMOWARE #ad - Set includes - the drill bits set includes five common sizes for versatility, can fit the majority of brands currently on the market. Easy organizing - a drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.

Hss titanium coating - high speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler. Design - the split point tip is at 118 degrees to increase the wear resistance. Meet your demands - with the step drill bits we offered, which greatly saves you a lot of trouble.

Great for metal/wood/plastic countersunk. Suitable for home diy, you can process different kinds of diameter holes, and General Building/Engineering Use. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
ManufacturerCOMOWARE #ad



1/4inch High Speed Steel Titanium Coated Metric Straight Groove Step Drill Bits Set with Automatic Spring Loaded Center Punch Power Tools, Hex Shank Hss Cone Uni Bit Kit for Hole Woodsize 3-12/4-12/4-20mm, Step Drill Bit Set for Metal

HTWORGRE #ad - Materialhss combined with a titanium coating. If you have any questions, Please Contact Us. More capable and durable. Hexagonal design : hex shank fits into all power tools more easily and securely, especially for locking into quick change chuck.

One-year warranty: for customer satisfaction and 1-Year warranty of step drill kit can be guaranteed. Not suitable for hard and brittle materials such as stainless steel, walls etc. Widely usedperfect step drill bits suitable for drill holes in various material: within 3mm/012 inch iron plate, glass, copper plate, tile floors, PVC sheet, Aluminum Plate; within 5mm/0.2 inch wood, Insulation Boards.

Set includesbit #1 5 steps: 4-12mm 4mm, 10mm, 10mm, 6mm, 16mm, 22mm, 24mm, 18mm, 10mm, 14mm, 20mm; bit #3 15 steps: 4-32mm 4mm, 16mm, 12mm, 6mm, 14mm, 6mm, 18mm, 20mm, 8mm, 8mm, 8mm, 12mm, 30mm, 26mm, 28mm, 12mm; bit #2 9 steps: 4-20mm 4mm, 32mm ;1 Automatic Spring Loaded Center Punch Power Tools. It is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
ManufacturerHTWORGRE #ad
Part NumberGU-5

4. Meanhoo


Titanium Stepped Drill Bits, 5 Pcs 50 Sizes Cobalt Step Drill Bits for Metal, Step Drill Bit Set, Plastic Sheet, Wood, Stainless Steel Metric Step Drill Bit

Meanhoo #ad - Use as stepped drill bits, step bits, metric step drill bit, step drill bits, step drill bit set 5. Work as step drill bit, cobalt drill bit set, step bit, step drill bits for metal, step bits for metal, metal drill bits, step drill, step drill bit set.

Use for drill bit step, step drill set, stepper bit, 2 inch step drill bit, step bit set, step bit drill bit, stepped drill bit. Suit for titanium step drill bit, cobalt step bit, multi drill bit, step down bit, step bit for stainless steel, titanium step bit, step drills. Work for drill step bit, uni bit, step up bit, cobalt step drill bit, hard metal drill bits, step up drill bit.
BrandMeanhoo #ad
ManufacturerMeanhoo #ad
Part NumberMHD088



Hss Cobalt Multiple Hole 50 Sizes1/8''-1 3/8'', High-Speed Metal Steel Drill Double Side with Aluminum Case, HYCLAT 5 pcs Titanium Step Drill Bits Set & Automatic Center Punch

HYCLAT #ad - Dimensions: 5 pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. It can work as 50 pcs twist drill bits. Titanium high-speed steel: classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, copper, aluminum, and many other types of metal sheet.

What you get - hyclat step drill, automatic center Punch, aluminum case, 24 months warranty - Ideal Gift for Father's Day, Perfect for DIY lover. Double cutting side & three-side shank - double cutting side and X-type openings design ensures a faster and smoother cutting; 3-sided shank design prevents slip in drill chuck can cut through the wood, sheet metal, steel, and other surfaces.

You don't have to replace drill bit constantly with the step drill bits. Automatic center punch - the center punch delivers an automatic, high-impact, spring-loaded strike-through adjusting the cap; it has a deeply knurled surface for nonslip control.
BrandHYCLAT #ad
ManufacturerHYCLAT #ad
Part NumberHSD000206

6. CO-Z


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, Multiple Hole Stepped up Bits for DIY Lovers

CO-Z #ad - 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.

In thickness. 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. Less splashing & saves your money - X-type opening design can facilitate the removal of cutting waste when drilling to keep the drill bit clean.

Universal compatibility - the step drill bits help you to drill holes with different diameters simultaneously, compatible with aluminum, copper, steel sheets and plastic and wood board that is less than 3mm/0.12 in. 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.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Part NumberSDBLXDT06



HYCLAT 5pcs Titanium Step Drill Bit, Hss Cobalt Multiple Hole 50 Sizes, High-Speed Metal Steel Step Drill Bit Set with Aluminum Case or Canvas Packing

HYCLAT #ad - Double cutting blades & three-sided shank - double cutting blades and X-type openings design ensure a faster and smoother cutting; 3-sided shank design prevents slip in drill chuck can cut through the wood, sheet metal, steel, and other surfaces.

Widely application: the step drill bits can be used to chamfer, canvas packing will more light and easy to carry, plastic material, aluminum alloy, and drill or enlarge holes. What you get - hyclat step drill, 24 months warranty - Ideal Gift for Father's Day, Aluminum Case or Canvas Bag, Perfect for DIY lover. The step drill bits can work with stainless steel sheets, and wood. It's can work as 50pcs twist drill bits. The protective aluminum case makes the drills not easy to dull, bur, both of them would be shipped randomly.

Features: 5pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. You don't have to replace drill bit constantly for different bore sizes. Titanium high-speed steel: classic and sturdy high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of the metal sheet.
BrandHYCLAT #ad
ManufacturerHYCLAT #ad
Weight0.9 Pounds
Part NumberHSS0501

8. Preamer


3/16" -1/2",1/4"-3/4",1/8"-1/2", 3 Pics, 1/4" Hex Shank Quick Change Titanium Uni Step Drill Bit Set

Preamer #ad - This compact set replaces 28 Individual Drill Bits. Drill 28 Hole Sizes. Two-flute design gives you faster, smoother Cutting. One step drill bit can punch holes of different sizes and the material is hard, to meet your various needs at work.

Step drill bits with precision-ground tips for drilling into wood, soft metals, rubber, plastic, and more(not for hard metal !). Quick-change 1/4" hex shank. 4241 high-speed steel step drill Bit - withstand higher temps without losing its hardness which last longer than standard carbon bits. High step design let you feel the stop and never drill bigger in mistake. Titanium nitride coating for cooler running. Two-flute Design for smoother cutting.
BrandPreamer #ad
ManufacturerPreamer #ad
Part NumberHL-18524

9. CO-Z


Faster Drilling Step Drill Bit, Steel, Multiple Hole Stepped Up Bit for Electrician Mechanic, CO-Z 1PC M2 Step Bit, Wood, PVC, Aluminum, Professional Unibit Drill Bit for Cutting Holes On Sheet Metal

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 02 in. Acrylic, pvc and wooden boards up to 02 in. Laser-engraved marks - all the laser-engraved reference marks make it easy to stop on any hole size for your convenience. Durable & sturdy - solid m2 high speed construction 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.

One bit for all - the bit comes with 18 sizes so you can drill up to 18 holes with different diameters, saving you time and efforts to change bits, quadrupling your drilling efficiency compared to competition.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Height1.57 Inches
Length3.54 Inches
Weight0.31 Pounds
Width1.57 Inches
Part NumberSDBKL3501

10. amoolo


Total 50 Sizes High Speed Steel HSS Unibit with Double Flute Cutting Blades for Soft Metal Sheet, Plastic, amoolo Titanium Step Drill Bit Set 5Pcs, Wood, Multiple Hole Drilling Cone Bit Set

amoolo #ad - Step bits with multiple drill sizes:5pcs-50sizes - bit #1 6 steps: 3/16"-1/2"; bit #2 9 steps: 1/4"-3/4". Bit #3 13 steps: 1/8"- 1/2". Suitable for home DIY, General Building and Engineering Use. Free to get a portable tin box to prevent rust.

135° x-type split point - Requires less pressure with self-centering and prevents walking. Double-flute design - Double cutting blades design guarantees a faster and smoother cutting, allows particles escape easily. Titanium | high speed steel - industrial grade high speed steel ensures excellent durability and strong wear-resistance. Bit #5 10 steps:1/4" - 1-3/8".

Prefect for soft metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. 1/4" hex-shank quick change - fits into most pistol drill and drill press securely without slippage when drilling new holes or enlarging existing holes. Bit #4 12 steps:3/6"- 7/8". The titanium coating reduces friction and cools faster, giving longer using life. No need of 50 seperate drill bits with only 5 pieces.
Brandamoolo #ad
Manufactureramoolo #ad
Part NumberAST1909-5PCS