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Home / Home Furniture / High-Hardness Hole Punching Step Drill Bit Reamer Opener Stainless Steel Metal Special Conical Ladder Drilling Magic Tool

Attributes

Brand -
Category Root / Home Furniture
Origin -
Material High-Speed Steel (HSS) with Titanium Coating
Shank Type Round Straight Shank
Compatible Materials Stainless Steel, Iron, Copper, Aluminum, Plastic
Drill Point Angle 118 Degrees
Surface Treatment Gold Titanium Nitride Coating
Step Count 9 Steps (Incremental Sizing)
Maximum Hole Diameter 50mm
Application Metalworking, Cabinet Installation, Pipe Fitting
Durability Rating High Hardness (HRC 65+)
Package Includes 1x Step Drill Bit, 1x Protective Case

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 4/5

Great tool, needs slow speed

This drill bit works very well, but you must use a low RPM setting on your drill. If you go too fast, it can overheat. Once I slowed down, it produced clean, burr-free holes in my metal shelving units.

A

Anonymous

Mar 26, 2026

Rating: 5/5

Smooth operation on thick metal

I was skeptical about drilling into thick aluminum brackets for my home office desk setup. This bit handled it effortlessly. The gold coating seems to reduce friction significantly.

A

Anonymous

Mar 26, 2026

Rating: 5/5

Perfect for cabinet hardware installation

I bought this to install handles on my new kitchen cabinets. The stepped design makes it incredibly easy to get the exact hole size without changing bits. It cut through the stainless steel face frames like butter.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Clean cuts every time

No more jagged edges or need for deburring tools. The holes this creates are perfectly round and smooth. Highly recommend for anyone doing metal fabrication or furniture modification at home.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Good value for DIYers

Solid construction and feels heavy-duty. It walked a little on the first punch, so I recommend using a center punch mark before starting. Otherwise, it's a fantastic addition to my toolbox.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Replaced my entire drill bit set

Why carry ten different bits when this one does it all? The conical ladder design is genius for furniture assembly where hole sizes vary slightly. Very sharp out of the box.

5 FAQ

Q: Is lubrication required when using this bit on stainless steel?

A: We highly recommend using cutting oil or lubricant when drilling stainless steel to extend the life of the bit and ensure a smoother cut.

Q: Can this drill bit be used with a standard handheld power drill?

A: Yes, it features a standard round straight shank that fits most conventional handheld drills and drill presses.

Q: What is the maximum thickness of metal this can drill through?

A: While it depends on the specific alloy, it is generally effective on sheet metal and plates up to 4-5mm thick for optimal performance.

Q: Can this be sharpened if it becomes dull?

A: Due to the complex stepped geometry and titanium coating, we recommend replacing the bit rather than attempting to sharpen it manually.

Q: Does the package come with a storage case?

A: Yes, each unit includes a durable plastic protective case to keep the bit safe and organized when not in use.

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