List of Top 10 Best Step Drill Bit

SaleBestseller No. 1
ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician
  • Durable HSS Drill Bit ----- High-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
  • Titanium Coating ----- Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.
  • Revolutionary Design ----- Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
  • Includes 10 Step Sizes ----- 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8".
  • A Must-Have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).
Bestseller No. 2
GMTOOLS Step Drill Bit Set, 6 Pcs Titanium High Speed Steel Unibit Drill Bits, Stepped Up Bits & Automatic Center Punch for Sheet Metal, DIY Lovers with Aluminum Case, Total 50 Sizes for Multiple Hole
  • Titanium Coating: Industrial HSS construction, coated by titanium nitride ensures maximum durability and sharpness, can reduces the friction, runs cooler
  • Product Feature: 118° Split point tip accelerates cutting speed while preventing angled walking away from center. The two flute design provides a smoother cutting, chip removal quickly
  • Drilling Different Size Holes: The bits set include 5 standard bits that can replace 50 individual drill bits. Great metal drill bit for metal, wood, plastic board. Suitable for home DIY, handyman, professionals
  • Automatic Center Punch: The punch delivers a high-impact strike when pressed against surface, S2 steel spring punch provide accuracy and precision
  • Convenient Storage: All the cone bit come in a well organized case for easy transport and storage
SaleBestseller No. 3
COMOWARE Step Drill Bit Set & Automatic Center Punch- Unibit, Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bits Set of 5 pcs, Total 50 Sizes with Aluminum Case
  • 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 metal/wood/plastic countersunk. Suitable for Home DIY, and General Building/Engineering Use.
  • Design - 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.
  • 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.
  • Set Includes - The drill bits set includes five common sizes for versatility, can fit the majority of brands currently on the market.
SaleBestseller No. 4
toolant Four Sprial Flute Cobalt Step Drill Bit, 1/4"-3/4" Impact Ready Four Spiral Flutes Unibit Step Bit, 1/4" Hex Shank Unibit for Metal, Stainless Steel, Aluminum, Wood, Plastic
  • 90 DAYS 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.
  • M35 COBALT HSS STEP DRILL - Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
  • 9 STEP SIZE - Includes 1/4", 5/16", 3/8",7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
Bestseller No. 5
IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes Step Bits for Metal with Aluminum Case
  • HSS Titanium Coating: The step drill has excellent sharpness and durability due to its high speed steel material and titanium coating
  • 118° Split Point Tip & Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily
  • 50 Sizes in 5 Pcs: The step drill bit kit includes 5 standard pieces with totally 50 sizes for versatility, enough for your DIY needs
  • Widely Application: Ideal for drilling holes in plastic, aluminum, iron and many other types of sheet metal (Not recommended for stainless steel)
  • Equipped with a well-organized case, make it more convenient for using and storing the step drills
Bestseller No. 6
NEIKO 10181A Step Drill Bit Set, 3 Piece, Spiral Grooved for Faster Drilling, Step Bits for Stainless Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits with 31 Step Sizes Total
  • 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 31 step sizes, each hole made with these step bits will be precise.
  • QUICK-CHANGE: The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools.
  • INCLUDES: Each bit set comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill (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 (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch).
Bestseller No. 7
Step Drill Bit Set - Titanium Coated, High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers,3pcs
  • 【QUILITY STEP DRILL BITS】 The step drill bits are made of classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, wood board, copper, stainless steel and many other types of sheet metal.
  • 【DOUBLE CUTTING BLADES DESIGN】The HSS step drill bit set is designed with double cutting blades, which provides faster, smoother and accurate drilling.
  • 【TRI-FLATTED SHANK】 Each unibit step drill bit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
  • 【WELL PERFORMED 】 The multiple hole drill bit set include 28 size, which can cuts through steel, sheet metal, wood board and other surfaces creating relatively clean holes as you drill. Suitable for home DIY, and general building/ engineering use.t slippage and shedding during the rotation.
  • 【SET INCLUDES】The cone drill bits set includes 3 common sizes for versatility. Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 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"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4". If you are not fully satisfied with the step bit for any reason, please contact us for 100% refund or replacement.
Bestseller No. 8
Jerax tools 1/4 to 1-3/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic
  • [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.
  • [Easier | Faster | Cleaner]: With our high-accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market.
  • [Heavy duty]: Cuts holes on Stainless steel, Hardened Metal, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for Stainless steel.
  • [Multi Hole Sizes]: No need to buy a kit. This one step bit comes with 6 marked sizes so you can drill 6 different hole sizes, saving you time and effort to change bits. Marked sizes including: 1/4", 7/8", 1-1/8", 1-7/32", 1-1/4", 1-3/8".
SaleBestseller No. 9
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
  • 【Widely Used】Perfect Step Drill Bits suitable for drill holes in various material: within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
  • 【Material】HSS combined with a titanium coating. More capable and durable.
  • 【Hexagonal Design 】: Hex Shank fits into all power tools more easily and securely, especially for locking into quick change chuck. It is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
  • 【SET INCLUDES】Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm) ;1 Automatic Spring Loaded Center Punch Power Tools
  • 【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.
Bestseller No. 10
Yougfin Step Drill Bits,Titanium Coated M35 HSS Drill Bit Set 5pcs with Extra Automotive Center Punch, 50 Sizes High Speed Steel Drill Bits from 1/8" to 1-3/8" with Aluminum Case for DIY Lovers
  • 【High Quality Material】:High-speed steel, also known as HSS, is the most common drill bit for metal applications. It incorporates an element with titanium that makes the drill bit harder than a typical HSS bit and thus suitable for sheet metal working and are ideal for cutting non-ferrous metals, plastic, wood board, etc
  • 【Extra Automatic Center Punch】:You know how when you try to drill into metal or hard surfaces and your drill bit "walks" no matter how much you think it's steady? Yeah, we have a tool for that. The automatic center punch has a heavy-spring action, and you simply place the tip where you want to drill, and it punches a slight indentation in the surface. Just enough so that the drill bit won't walk
  • 【118° Split Point】:These step drill bits have a small point angle of 118° and require less pressure when centering in the material. The point starts drilling at contact, reducing friction, pressure, and heat. The larger the point angle, the higher the contact pressure and the centering in the material requires more pressure
  • 【Double Flutes & Tri-Flatted】:These drill bits feature a special dual flute straight design for dependable performance and durability. And the shanks on these step drill bits have three flats that help prevent the bits from slipping in the drill chuck during drilling
  • 【Product Feature】: Step drills are indicated in sizes. These sizes determine the diameters and the number of steps. Assortment comes with 5 drill bits of a combined 50-step sizes added:6-step drill(3/16" to 1/2"),9-step drill(1/4" to 3/4"),10-step drill(1/4" to 1-3/8"),12-step drill(3/16" to 7/8"),13-step drill(1/8" to 1/2")

Buyer’s Guide

How to choose the
best step drill bit

What is the Purpose Of A Step Drill Bit?

Step drills are designed to be used with power tools. Power tools include electric drills, impact drivers, reciprocating saws, circular saws, jig saws, band saws, routers, sanders, grinders, planer sander, etc. Step drills are typically used with these types of power tools because they allow users to perform drilling operations while standing upright rather than kneeling or sitting on the floor. Step drills are available in both manual and automatic versions. Manual step drills require constant attention and supervision to ensure proper operation. Automatic step drills eliminate the need for constant operator intervention and reduce fatigue associated with prolonged periods of repetitive motion.

Benefits of Using a Step Drill

Using a step drill reduces strain on joints and muscles. Drilling holes into hard materials requires significant force which puts stress on the body. In addition, using a step drill eliminates the risk of injury caused by falling objects. For example, if you fall backwards onto a sharp object, there is no chance of cutting yourself. With a step drill, you can safely stand up and continue working without worrying about injuring yourself.

Types of Step Drills Available

There are two main types of step drills; single-step and double-step. Single-step step drills consist of only one stage. Double-step step drills consist of two stages. Both types of step drills are commonly found in corded models. Cordless step drills are becoming increasingly popular due to their ease of portability and ability to operate in tight spaces. Some manufacturers produce hybrid step drills that combine features of both types of step drills.

Advantages of Using a Step Drill

The benefits of using a step drill include increased productivity, reduced injuries, improved ergonomics, and decreased operating costs. Increased productivity occurs because workers can complete multiple projects simultaneously. Reduced injuries occur because workers are able to avoid risks associated with falls. Improved ergonomics result from eliminating the need to kneel or sit on the ground. Operating costs decrease because employees are able to work longer hours without needing additional breaks. Employees who use step drills report feeling more productive, safer, healthier, happier, and more satisfied with their jobs.

Although step drills are beneficial, they aren’t perfect. Disadvantages include higher initial investment costs, limited functionality, and lack of versatility. Higher initial investment costs arise because most step drills are sold as accessories for specific power tool brands. Limited functionality results from the fact that many step drills are designed specifically

The Importance of Purchasing a Quality Step Drill Bit

Step drills are very useful tools for most DIY projects. However, there are many different types of step bits available today. Some are designed specifically for drilling into concrete while others are meant for general-purpose applications. In order to get the best results possible, it’s important to select the right type of step drill bit for each project. Here we discuss why choosing the correct step drill bit matters and which ones are worth investing in.

Types of Step Bits Available Today

There are two main categories of step drill bits – those intended for concrete and those intended for general purposes. Concrete step bits are typically longer and thinner than standard step bits. They are ideal for drilling holes into hard materials including brick, stone, tile, cement, plasterboard, etc. General purpose step bits are shorter and thicker than concrete steps. They are generally used for drilling into softer materials such as drywall, plywood, plastic sheetrock, fiberglass insulation, metal studding, etc. Both types of step bits are commonly found in hardware stores and online retailers. There are several manufacturers who produce both types of step bits. Each manufacturer has its own unique style and design features. For example, some step bits are manufactured using stainless steel while others are made from aluminum. Other factors include material composition (e.g., carbide vs. tungsten), hardness, length, diameter, shape, finish, weight, etc.

Which Type of Step Drills Are Best Suited To Which Project Types?

Concrete step bits are ideally suited for drilling into concrete walls, floors, countertops, etc. Because these bits are long and thin, they allow users to drill deep holes quickly. As mentioned above, they are also ideal for drilling into harder materials such as bricks, stones, tiles, etc. Although they are somewhat heavy, they are easy to handle because they are relatively short. Most concrete step bits weigh between 1/2 oz. and 2 lbs. depending upon size. Standard step bits are lighter and easier to hold onto during operation. They are also cheaper than concrete step bits. However, they aren’t suitable for drilling into concrete since they lack the necessary strength required to penetrate the hardened substance. Instead, they must be replaced frequently due to wear and tear. Since concrete step bits are heavier, they require greater force to operate. Therefore, they are only recommended for light duty operations.

General purpose step bits are ideal for drilling into softer materials such as drywall, plywood, plastic sheetrock, fiberglass insulation, metal studding, etc. They are also lightweight and inexpensive.

Features To Look For When Buying A Step Drill Bit

Step drills are very useful tools which allow us to perform many different types of jobs around our homes. However, there are several features we must take into consideration when purchasing these bits. Here are some tips to keep in mind while shopping for a step drill bit.

Size Matters!

The size of the hole drilled depends upon the diameter of the bit being used. Generally speaking, larger holes require bigger bits. Smaller holes can be drilled using smaller bits. Most manufacturers recommend drilling no deeper than 1/4 inch (6 mm) per foot (30 cm). So, if you plan to install a shelf above your kitchen cabinets, you’d probably want to go with a 3/8-inch (10mm) bit. But if you’re installing a door frame, you could get away with a 5/16-inch (15mm) bit.

Drill Bits Are Made From Different Materials

There are two main materials used to manufacture drill bits – carbide and tungsten carbide. Carbide bits are generally softer and easier to sharpen than tungsten carbide bits. Tungsten carbide bits are harder and last longer. Both kinds of bits are available in both standard and specialty sizes. Specialty bits include straight bits, angled bits, spiral bits, and countersink bits. Standard bits include straight bits, angled bits, spiral bits, and countersink bits.

How Do You Know Which Size Bit Will Fit Best?

To determine which size bit fits best, measure the distance between the center of the chuck opening and the tip of the bit. Then multiply that number by the recommended depth of cut listed on the package insert. For example, if the manufacturer recommends cutting 2 inches deep, divide 2 inches by 6 millimeters = 0.33. Multiplying 0.33 times 30 centimeters equals 10.5 centimeters. Therefore, a 10.5 centimeter bit will fit perfectly.

Some bits are designed specifically for certain applications. For instance, counterbore bits are ideal for boring pilot holes for screws. Counterbores are round holes that start slightly inside the edge of the material being bored. Counterbored bits are typically sold in sets containing three bits; each has its own unique shape. Some bits are designed to bore multiple holes simultaneously. Spiral bits are perfect for creating decorative designs on walls. Angled bits are good for making small cuts in hardwood floors. Straight bits are most commonly used

Step drills are useful tools for drilling holes into materials. There are many different kinds of step drills available, each designed for specific applications. Here we discuss three common types of step drills.

Drill Bits For Woodworking

Wooden bits – Wooden bits are most commonly used for drilling small diameter holes (1 1/2 inch).

Metal bits – Metal bits are typically used for larger diameter holes (up to 3 inches) and are generally stronger than wooden bits.

Powder coated steel bits – Powder coating gives these bits a durable finish which prevents rusting.

Drill Bits For Plastic & Steel

Plastic bits – Plastics bits are very popular because they are inexpensive and easy to replace. However, plastic bits are brittle and break easily.

Steel bits – Steel bits are strong and last longer than plastic bits. But, steel bits are harder to change and require special equipment.

Other Uses For Drills

Drywall screws – Drywall screws are used to attach dry wall panels together.

Hole saw blades – Hole saw blades are used to cut holes in metal sheets.

Cable ties – Cable ties are used to secure cables and wires.

Screw drivers – Screwdrivers are used to drive screws into hard objects.

Bolt cutters – Bolt cutters are used to remove bolts from fasteners.

Hammer head nails – Hammerhead nails are used to nail boards together.

Nail gun – Nail guns are used to shoot nails into wood.

Tape measure – Tape measures are used to mark distances.

Level – Levels are used to level uneven surfaces.

Laser levels – Laser levels are used to align objects precisely.

Power screwdriver – Power screwdrivers are used to turn screws.

Socket wrench – Socket wrenches are used to tighten nuts and bolts.

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