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Carbide for an oscillating tool, and a named incompatibility

EZARC 801113, carbide oscillating, 3-pack

Carbide teeth on an oscillating blade, for hardened screws and nails — and one of the few listings on this site that names the mount system it will not fit.

EZARC carbide oscillating multi-tool blades with adapters

EZARC 801113, carbide oscillating, 3-pack

Carbide teeth on an oscillating blade, for hardened screws and nails — and one of the few listings on this site that names the mount system it will not fit.

Amazon reference
B07YDMX328
EAN
0611553064151
  • Carbide teeth, laser welded, for material that strips a bi-metal oscillating blade in one cut
  • States plainly what it will not fit: Starlock, Starlock Plus and Starlock Max
  • No blade width, cut depth or tooth pitch published anywhere

Best for: Cutting hardened screws, nails and embedded metal flush with a surface

≈ $26
Check price on Amazon

Specifications

Amazon reference
B07YDMX328
EAN
0611553064151

An oscillating tool does one thing no saw on this shelf can: it cuts flush. The blade sweeps a degree or two at a few thousand cycles a minute, so it can lie flat against a floor, a frame or a panel and take a nail or a hardened screw off level with the surface — and it works in a cavity where a reciprocating saw has no room to stroke.

Carbide teeth are what make it useful on metal. A bi-metal oscillating blade is defeated almost immediately by a hardened screw, which is the very thing you reach for the tool to cut; laser-welded carbide teeth survive it. EZARC claims thirty times the life of bi-metal, which is a figure with no test behind it, and names the materials the blades are for: stainless, hardened screws and nails, fiberglass, plasterboard.

Two things to note before ordering. The listing publishes no blade width, no cut depth and no tooth pitch, which on an oscillating blade are the dimensions that decide what it reaches. And it is explicit about the mount: not Starlock, not Starlock Plus, not Starlock Max, with two adapters supplied for the conventional patterns instead. That single sentence is worth more than most of the specifications missing from this page.

Availability

Read on the day this page was built: $26 at the American Amazon shop.

Read from Keepa on the day this page was last revised; stock and price both move without notice.

Prices quoted in this text were read on 2026-10-07. The live price is at the top of the page.

The questions welders ask

What can an oscillating blade do that a recip blade cannot?

Cut flush, and cut in a space with no room to swing. An oscillating tool moves its blade a degree or two at high frequency, so it can be laid flat against a surface and cut a nail or screw off level with it, or work in a cavity where a reciprocating saw has nowhere to stroke. Nothing else on this shelf does either. What it cannot do is cut quickly or deeply.

Why does the Starlock note matter?

Because a mount that does not fit is the commonest wasted purchase in this category. Starlock is the Bosch-led interface used by several brands, and it is deliberately not interchangeable with the older universal patterns. EZARC states the exclusion in capitals — "Not compatible with Starlock, Starlock plus, Starlock max system tool" — and supplies two adapters for the conventional mounts instead. Of the nine American listings on this shelf, this is the only one to name a mount system it refuses.

More metal saw blades

  • EZARC carbide tipped reciprocating saw blade with welded teeth

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    The coarse-pitch carbide blade this shelf needs: 8 TPI for solid section, with each tooth ground and welded rather than cut from the body.

    Amazon reference
    B08FQQ52T8
    EAN
    0611553064410
    • An 8 TPI pitch, the only coarse blade on this shelf, which is what solid section needs
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    Best for: Rebar, car beams and hardened steel, where a bi-metal blade dulls in one cut

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    Check price on Amazon
  • Milwaukee 5-3/8 inch carbide metal cutting circular saw blade

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    A cold-cut blade for a cordless metal saw, with cobalt in the carbide and vibration slots in the plate — and no arbor size, kerf or speed rating published.

    Amazon reference
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    EAN
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    • No arbor size published, on a circular blade — the one dimension that decides whether it fits

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  • TOLESA 6 inch bi-metal reciprocating saw blades, five in a pack

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    A five-pack of bi-metal blades that applies this hub’s three-teeth rule for you — it publishes the sheet thickness and the pipe diameter the pitch suits.

    Amazon reference
    B089NWRKYJ
    EAN
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    • Publishes the material range the pitch is for — 2 to 8 mm (0.08 to 0.31 in) sheet, solid pipe and profile under 4 in
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    • A 14 TPI pitch is for thin and medium work; solid bar wants a coarser blade and this hub says so

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Elsewhere in the workroom

  • VEVOR ER70S-6 MIG welding wire, 0.035 inch, on an eleven-pound spool

    VEVOR ER70S-6, 0.035 in, 11 lb

    The coarser of the two VEVOR wires on this shelf, in the larger spool — and the one whose listing drops the tensile figure its own stablemate publishes.

    Amazon reference
    B0CGCXKFQ2
    EAN
    0840349946337
    • Eleven pounds rather than ten, for a small increase over the brand’s 0.030 in spool
    • States the deoxidiser argument — higher manganese and silicon for dirty, oily or rusted steel
    • Does not publish the 490 MPa tensile figure that the same maker’s 0.030 in listing gives

    Best for: Thicker section and structural work, where 0.035 in lays metal faster than 0.030

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  • VEVOR ER70S-6 solid MIG welding wire on a ten-pound spool

    VEVOR ER70S-6, 0.030 in, 10 lb

    The only listing on this shelf that puts a number on the weld rather than on the spool — a stated tensile strength of 490 MPa or better.

    Amazon reference
    B0GCDRL8V4
    EAN
    0197988178002
    • Publishes a tensile strength — at least 490 MPa — which no other wire in this hub states
    • Names both shielding gas options: 100 per cent CO2, or 80 per cent argon with 20 per cent CO2
    • A ten-pound spool where two wires on this shelf give eleven for less

    Best for: General fabrication where the deposit strength matters and the gas is already decided

    ≈ $25
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  • YESWELDER ER70S-6 copper-coated solid MIG wire on a ten-pound spool

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    Amazon reference
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    EAN
    0658848701629
    • States that the wire is copper coated, which no other listing on this shelf does
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    ≈ $36
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