10 Best Cone Drill Bit For Metal for 2025

ss shovan

• This Pagoda Drill Bit set contain 3 size: 4-12mm, 4-20mm and 4-32 mm, Supplied with a portable fabric bag.
• Two-fluted design provides faster, smoother drilling, Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces.Step Cone Drill Bits design for precision drilling different size holes from 4mm up to 32mm in diameter,optimum speed and accuracy.
• Titanium High Speed Steel Drill bits & Application: classic 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 sheet metal.Titanium drill bit is particularly suitable for processing copper and aluminum pieces / mold steel / spring steel / cast iron pieces / iron and other metal materials.
• Quick assemble: 1/4"(6.35mm) hex shank work with most drill or drills with 1/4" chuck
• Quality Warrenty: we provide 6 month quality warranty. no matter what problems you have, please contact with our aftersale team in the first time.

HSEAMALL

• ➤【Convenient & Accurate】:Drills holes of various sizes without changing bits.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 steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
• ➤【Sleek & Accurate Drilling】:X-type openings design to facilitate the removal of cutting waste when drilling, preventing iron chips or sawdust from scattering and ensuring sleek & accurate drilling.
• ➤【Design】:Automatically deburrs holes as you drill;Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck;This set replaces 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.
• ➤【Safety and Stability】:The 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
• ➤【Wide Application】It’s great for drilling holes in thin mild steel, aluminum, copper, brass, plexiglass, wood and laminates sheet metal, , wood chips, plastic and wood board. It’s a perfect choice for DIY and engineering use.

Ecbrt

• 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 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 bag is included in the metal kit for easy storage and organizing without fear of it falling out.
• WIDELY APPLICATION: The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with stainless steel sheet, aluminum alloy, plastic material and wood.
• PACKAGE INCLUDED: 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ). Supplied with a portable fabric bag.

Générique

• 【Size】: 1pc 15 step bit (4-32 mm), 1pc 9 step bit (4-20 mm), 1pc 13 step bit (4-12 mm) . The step drill have three size to meet your different needs. And the package included a nylon bag.
• 【 Material】:Step drill made of steel, and the surface of the step bits is coated with titanium nitrite in gold to reduce friction and heat. HSS, surface treatment: Titanium plaçage
• 【 Design】: The step bits makes a very good impression visually. And the stepped grooves to prevent slippage in the chuck. It is very convenient to use for drilling holes in a variety of materials such as steel, brass, wood, plastic etc.
• 【Long Life time】: High speed steel. By the heat treatment and tempering, so the step bits has the function of long-term use.
• 【 Usage】: Perfect for home DIY and general building supervision / engineering use. Suitable for use of drilling.Cut or enlarge holes in materials like thin steel, wood, thin iron/copper, aluminum, PVC, etc

TACKLIFE

• 【47 SIZES OF 5 PIECES】The step drill bit set includes five standard drills, covering 4-12mm, 3-13mm, 3-19mm, 5-22mm, 8-35mm steps; You can drill most holes of various sizes with them.
• 【HSS & TITANIUM COATING】 High speed steel makes the step drill set more durable, titanium coating ensure easily cutting through steel sheets，aluminum sheets，copper & plastic & wood board and many other types of sheet metal with ease.
• 【AUTOMATIC CENTER PUNCH & PROTECTIVE ALUMINUM CASE】The automatic center punch delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control; and protective aluminum case makes storage and carrying more convenient.
• 【DOUBLE CUTTING BLADES & THREE-SIDED SHANK】Double cutting blades and X-type openings design ensures a faster and smoother cutting; and 3-sided shank design prevents slip in drill chuck; Provided with small pressure and the sets can cut through the wood, sheet metal, steel and other surfaces.
• 【WHAT YOU GET】1 x Tacklife Step Drill Bit Set of 5pcs,1 x Automatic Center Punch, 1 x Aluminum Case, 1 x User Manual.

Amtech

• Manufactured from titanium nitride coated high-speed steel
• Ideal for aluminium, brass, copper and mild steel
• Quick Change 1/4" Shank
• Set includes 1 x 15 Step Bit (4 - 32Mm), 1 x 9 Step Bit (4 - 20Mm) and 1 x 5 Step Bit (4 - 12Mm)
• Supplied storage pouch

Hiveseen

• STRONG MATERIAL:High-speed steel with titanium coated to reduce friction and run cooler
• TIME SAVER:Covering assorted step sizes helps to drill or enlarge different holes in one bit
• STRENGTH SAVER:Split point and double fluted deisgn to prevent slipping, clears chips fast and deburrs the holes
• QUICK CHANGE: 1/4"(6.35mm) hex shank work with most drill or drills with 1/4" chuck
• WIDE USAGE:Cut or enlarge holes in materials like thin steel, wood, thin iron/copper, aluminum, PVC, etc

DIWUJI

• 【Two-Flute Spiral Groove Design】Enables a faster, more stable and smoother cutting. It can automatically chamfer the hole to clean the drill bit. ●Only sales from XQ7 are quality guaranteed. Before placing order, please confirm product sold by XQ7.
• 【HSS & Titanium Coated】Made of super strong HSS steel and coated with Titanium, Titanium coating ensures easy cutting steel, Aluminum sheet, Brass, Copper, plastic, wood etc.
• 【Hex Shank】1/4"(6.35mm) hex shank work with most drill or drills with 1/4" chuck , fits into power tools chuck securely and eliminates slip.
• 【Application】Suitable for sheet metal, sink, car repair, etc. Widely used to cut holes in a variety of material like plate, aluminum, insulation board, PVC board, the thickness of wood within 5mm.
• 【Convenience】Step drill allows to cut several sizes hole with one drill bit, easily without changing bit constantly.

Malayas

• Long Life True M2 high speed steel
• Automatically deburrs holes as you drill
• Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck
• This set replaces 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.
• Perfect for drilling holes in thin mild steel, aluminum, copper, brass, plexiglass, wood and laminates

SYCEES

• Material: HSS / High Speed Steel
• Surface treatment: Titanium coated; Shank size: 1/4" hex shank
• Suit for use in hardness under 25° artifacts, the plate thickness under 5mm
• Type: 10 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm)
• Step Cone Drill Bit Hole Cutter 4-22MM HSS Great For Sheet Metal"#0025/57.4-22MM HSS 4241 Hex Titanium Step Cone Drill Bit Hole Cutter For Sheet Metal