The Best Step Drill Bit of 2023

【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.

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.

HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.

Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.

Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.

50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.

A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.

【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.

VERSATILE: Set includes five standard SAE step drill bits with a two-flute design for faster, smoother cutting and a tri-flat shank for a sure grip

A COMPLETE SAE SET: Two popular 1/4" and 3/8" shank sizes to cover a wide range of drilling requirements

CUTS AND DEBURRS: Cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill

SUPER STRONG: Made of super strong HSS steel for added durability and bit life

CARRYING CASE: Includes aluminum carrying case

Extreme Durabikity: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.

Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.

Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).

Use Center Punch to Mark the Spot: Please mark the spot that you are to drill for easier drilling and improved drill bits life.

Keep Your Step Drill Bits Well Organized: All the bits come in a well-organized case for easy transport and storage.

REPLACES 28 DRILL BITS: This set includes three standard SAE step drill bits that replace 28 individual drill bits

TITANIUM COATED STRENGTH: Made of super strong M2 steel with titanium coating for added durability and bit life

SMOOTH DRILLING ACTION: Two-flute design provides faster, smoother cutting without walking and a tri-flat shank ensure a firm grip

A COMPLETE SAE SET: Comes with one 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit

CUTS AND DEBURRS: Cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill

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

Laser engraved numbers increases step visiblity

1/4-inch hex shank

Optimized for impact driver usage

Works with rotary drills

Hss & Titanium Coating ----- 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).

DB STEP BIT 1-1/8 IN. 17 STEPS

DB STEP BIT 1-1/8 IN. 17 STEPS

DB STEP BIT 1-1/8 IN. 17 STEPS

DB STEP BIT 1-1/8 IN. 17 STEPS

DB STEP BIT 1-1/8 IN. 17 STEPS