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Hole Saw vs Step Bit for Metal: Which Should You Buy?

Hole saws and step bits for metal compared by size, material, stainless steel and included arbor, with the stated specs and who should skip each.

Hole Saw vs Step Bit for Metal: Which Should You Buy?
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Top picks at a glance

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  1. 12''2''9.7/10View on Amazon
  2. 2DEWALT Drill Bit SetDEWALT Drill Bit Set9.7/10View on Amazon
  3. 3Diablo Bi-Metal Hole Saw SetDiablo Bi-Metal Hole Saw Set9.6/10View on Amazon
  4. 4Step Drill Bit SetStep Drill Bit SetView on Amazon
  5. 5ZELCAN 10 Sizes Titanium Step Drill BitZELCAN 10 Sizes Titanium Step Drill BitView on Amazon
  6. 6Rannb Hole Saw 1.5-inch/38mm Metal Hole Saw Carbide TippedRannb Hole Saw 1.5-inch/38mm Metal Hole Saw Carbide TippedView on Amazon
  7. 7AUTOTOOLHOME 2 Inch TCT Hole Saw for MetalAUTOTOOLHOME 2 Inch TCT Hole Saw for MetalView on Amazon
  8. 8Vouyar 1" Tungsten Carbide Tipped Hole Saw Drill Bit for HardVouyar 1" Tungsten Carbide Tipped Hole Saw Drill Bit for HardView on Amazon
  9. 9Hole Saw Pilot BitHole Saw Pilot BitView on Amazon

Verdict: In this hole saw vs step bit for metal comparison, choose a hole saw if the hole is a fixed size and the metal is thin, and the included arbor and pilot drill suit the setup. Choose a step bit if the job needs several hole sizes in sheet metal, and the NEIKO is the pick for stainless steel.

A hole saw and a step bit drill holes in metal, but they work differently. A hole saw cuts a fixed size with an arbor and a pilot drill; a step bit drills many sizes in a bit, stepping up through the sheet. This comparison covers the sides, then the 4 listings we reviewed as examples.

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NEIKO 10174A Step Drill Bit

NEIKO 10174A Step Drill Bit

NEIKO9.5/10 Shop Score
i
The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A step drill bit with 10 steps from 1/4 in to 1-3/8 in, high-speed steel with a titanium nitride coating, for steel and stainless steel.

Pros

  • 10 steps from 1/4 in to 1-3/8 in, per the listing
  • Handles stainless steel, per the listing
  • 135-degree split point tip, self-centering, per the listing
  • 1/4 in hex shank snaps into a quick change chuck

Cons

  • No warranty term is stated
  • No safety certification is stated
  • No storage case is stated
  • No max thickness is stated
5PCS Titanium Step Drill Bit

5PCS Titanium Step Drill Bit

SEDIANAS9.5/10 Shop Score
i
The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 5-piece titanium step drill bit set with 50 sizes from 3/16 in to 1-3/8 in, for aluminum, wood and plastic.

Pros

  • 50 sizes across 5 pcs, from 3/16 in to 1-3/8 in
  • Spiral flute design evacuates chips, per the listing
  • 135-degree split point tip, self-centering, per the listing
  • Storage case included, per the listing

Cons

  • Not recommended for stainless steel or harder metal, per the listing
  • No warranty term is stated
  • No safety certification is stated
  • No shank size is stated
VIKITON 4 inch Hole Saw for Wood, Metal

VIKITON 4 inch Hole Saw for Wood, Metal

VIKITON9.4/10 Shop Score
i
The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 4 in bi-metal hole saw with arbor, pilot drill and hex key, for wood, metal, plastic and drywall.

Pros

  • Bi-metal with high-speed steel teeth and a flexible steel body
  • Arbor with pilot drill and hex key included
  • Fast chip removal and smooth, clean cuts, per the listing
  • For wood, plastic, drywall and thin metals, per the listing

Cons

  • Excludes stainless steel, per the listing
  • No warranty term is stated
  • No safety certification is stated
  • A fixed size per saw
VIKITON 1 inch Hole Saw for Wood, Metal

VIKITON 1 inch Hole Saw for Wood, Metal

VIKITON9.4/10 Shop Score
i
The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 1 in bi-metal hole saw with arbor, pilot drill and hex key, for wood, metal, plastic and drywall.

Pros

  • Bi-metal with high-speed steel teeth and a flexible steel body
  • Arbor with pilot drill and hex key included
  • Fast chip removal and smooth, clean cuts, per the listing
  • For wood, plastic, drywall and thin metals, per the listing

Cons

  • Excludes stainless steel, per the listing
  • No warranty term is stated
  • No safety certification is stated
  • A fixed size per saw

Other tools worth a look

Side by side: hole saw vs step bit for metal

Model Shop Score Side Size range
NEIKO 10174A Step Bit 9.5/10 Step bit 1/4 to 1-3/8 in
SEDIANAS 5PCS Step Bit 9.5/10 Step bit 3/16 to 1-3/8 in
VIKITON 4 in Hole Saw 9.4/10 Hole saw 4 in
VIKITON 1 in Hole Saw 9.4/10 Hole saw 1 in

Every rating comes from the brand’s listing and is not a shop test (gathered 11 November 2026).

How each side cuts metal

The hole saw listings describe a bi-metal saw with high-speed steel teeth and a flexible steel body, cutting smooth, clean holes in thin metals with an arbor and pilot drill. The step bit listings describe a cone bit that drills many sizes: the NEIKO drills 10 sizes from 1/4 in to 1-3/8 in, and the SEDIANAS set covers 50 sizes from 3/16 in to 1-3/8 in. The hole saw mounts on an arbor, per the VIKITON listings; the NEIKO step bit has a 1/4 in hex shank that snaps into a quick change chuck or impact driver, per its listing, and the SEDIANAS listing states no shank size.

Stainless steel

Stainless steel separates the sides, but not cleanly. The hole saw listings exclude stainless steel. The SEDIANAS step bit does not recommend stainless steel or harder metal. Only the NEIKO step bit states it handles stainless steel, with a 2-flute spiral design that runs cooler and handles thicker material and stainless steel better, per the listing. So a step bit is not automatically the stainless pick; only the NEIKO listing here states it.

Hole sizes and steps

The hole saw side gives a fixed size per saw: the VIKITON listings are 1 in and 4 in. The step bit side gives many sizes per bit: the NEIKO has 10 steps and the SEDIANAS set has 50 sizes across 5 pcs. The NEIKO expands holes, per the listing, and the hole saw listings describe smooth, clean cuts at a fixed size. The listings do not state a max thickness for either side, so the comparison leaves thickness unclear.

Coolant and heat

The hole saw listings state to apply water or coolant and reduce feed speed when drilling metals, and to let the saw cool before touching. The step bit listings state no coolant guidance. The NEIKO 2-flute spiral design runs cooler, per the listing. The listings do not state a speed or feed figure for either side, so the comparison leaves that unclear.

Which side to choose

Choose a hole saw if

The hole is a fixed size and the metal is thin. The VIKITON listings include the arbor, pilot drill and hex key, and the saw assembles onto the arbor. The hole saw listings exclude stainless steel, so check the metal before ordering.

Choose a step bit if

The job needs several hole sizes in sheet metal, or the metal is stainless steel and the NEIKO is the pick. The NEIKO drills 10 sizes and the SEDIANAS set covers 50 sizes. The SEDIANAS does not recommend stainless steel, so check the listing before ordering.

Example hole saws and step bits

Garage safety

Use rated jack stands on solid ground, wear eye protection with power and air tools, keep fuel-burning equipment out of a closed garage, and follow the manual for every tool. Read our Safety Disclaimer.

FAQ: garage tools

Can a hole saw cut stainless steel?

The VIKITON listings here exclude stainless steel. Only the NEIKO step bit states it handles stainless steel, per the listing.

What sizes does a step bit drill?

The NEIKO drills 10 sizes from 1/4 in to 1-3/8 in, and the SEDIANAS set covers 50 sizes from 3/16 in to 1-3/8 in, per the listings.

Do hole saws need an arbor?

Yes, per the VIKITON listings: the saw assembles onto the arbor, with the pilot bit through the center hole at the back of the saw, and each saw includes 1 arbor with a drill bit, 1 pilot drill bit and 1 hex key.

Do step bits need coolant?

The step bit listings state no coolant guidance. The hole saw listings state to apply water or coolant and reduce feed speed when drilling metals.

Can a step bit drill wood and plastic?

Yes, per the listings: the NEIKO drills plastic, aluminum, wood, copper and stainless steel, and the SEDIANAS drills plastic, aluminum, iron and sheet metal.

Related: the cordless tools hub, best hole saw kit, best hole saw for sheet metal and titanium vs cobalt drill bits.

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