The Best Metric Step Drill Bits of 2023

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】- The step drill bit is made of superior high-speed steel(M2), titanium coated surface, outstanding durability and sharpness. Effectively reduces the friction to ensure cooler running so as to prolongs service life.

【50 Sizes in 5 Pcs】- The step cone drill bit set includes five standard step drill bits which can replace 50 individual drill bits, Two-flute design gives you faster, smoother cutting. 3-sided (TRI-FLAT) shank will not slip in your drill's chuck;Cobalt coated for smoother cooler cutting.

135° SPLIT POINT TIP AND TWO-FLUTE DESIGN: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily.

Convenient: Self-centering features prevent slipping and increase cutting speed. Workable diameters are marked in the drill. It is very convenient for you to choose workable size. Portable-coming with an aluminum carrying case. For DIY lover

Widely application: The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with aluminum alloy, plastic material and wood,soft metal(Not recommended for Metal and Stainless Steel)

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【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.

【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.

【Easy Drilling】Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake

【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)

【Package Included】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ). 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills.

Premium M35 6% Cobalt Steel ,66-69 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.

Grinding the Cutting Edge Three Times,with the High HRC and Heat Resistance of the Material,Desigh for Cutting through Stainless steel , Iron plate, Aluminum,Ducts,Wood,PVC and Plastic.

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,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)

【HIGH SPEED STEEL】The step drill bit is made from high speed steel which has high hardness and good wear resistance.

【WIDE SIZE RANGE】This step drill bit can be used for drilling a wide range of hole sizes from 4mm to 22mm, can be widely applied.

【TITANIUM COATED 】The surface is coated with titanium which has better anti-rust performance and will not fade easily.

【SIZE CLEARLY MARKED】The hole size are clearly marked on the surface, you can check the data easily.

【WIDE APPLICATION】Step drill is most commonly used on softer materials such as thin iron sheet, aluminum, PVC and wood board of 5mm or thinner.Great for use in work where thin steel, aluminum or plastic boxes and chassis are encountered.

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

Two-flute design, clears chips faster, smooth cutting. The drill tip adopts a 135°bifurcated tip design, prevents the step drill bit from slipping during operation.

Titanium plating process to reduce friction and heat. high-speed steel construction and for longer cutting edge life even at extreme temperatures. performs well in heat, corrosion, and rust resistance.

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.

A necessity for family or handyman or professionals. Perfect for home repairs and light jobs such as drilling holes in aluminum, copper, Wood, PVC sheet, Insulation Boards, and many other types of sheet metal.

Suitable for hand-held drilling rigs, drilling machines, milling machines, and machining centers, for metal sheet, maintenance, and modification, bridge doors, and windows, home appliances, etc.

Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.

3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.

This Cobalt Drill Bit is Typically Capable of Running Three to Five 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.

The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.

19Pcs 135 Degree Split Point Drill Bits Includes :1mm(length:3.4cm) 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm 7mm 7.5mm 8mm(length:11.5cm) 8.5mm 9mm 9.5mm 10mm(length:13cm) [DIA 0.5mm Increments] .