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The most expensive clamp here, and not one number

Sawyer Mfg Company Welder’s 3rd Hand pipe clamp

A pipe alignment clamp whose five bullets contain no capacity, no weight, no dimension and no material grade — on the highest price in the American half of this hub.

Sawyer Welder’s 3rd Hand pipe alignment clamp fitted to a pipe butt joint

Sawyer Mfg Company Welder’s 3rd Hand pipe clamp

A pipe alignment clamp whose five bullets contain no capacity, no weight, no dimension and no material grade — on the highest price in the American half of this hub.

Amazon reference
B07MKPLQR5
EAN
0602573288498
  • Built for the one joint nothing else on this shelf addresses — a pipe butt weld, where both halves must stay concentric
  • Portable, so it goes to the joint rather than the joint to a bench
  • No pipe diameter range published — the one figure that decides whether it fits anything you own

Best for: Pipe butt welds, if you can establish from the seller which diameters it fits

≈ $185
Check price on Amazon

Specifications

Amazon reference
B07MKPLQR5
EAN
0602573288498

There is one joint on this site that no clamp elsewhere on this shelf can hold: a pipe butt weld, where the two ends have to be concentric before the first tack or the bore steps at the seam. That is what an alignment clamp is for, and it is why a tool like this exists at this price.

What the listing does not do is describe it. Five bullets, and between them not one diameter, thickness, weight, material or dimension. The nearest approach to a number is a sentence about mass that refuses to give one: the tool is “Weighing just enough to remain sturdy yet lightweight for portability”. The manufacturer reference printed on the page is the product’s own EAN.

Set that against the rest of the shelf. A clamp at an eighth of the price publishes its capacity, its throat depth, its overall length and its thread pitch. A cast iron angle clamp publishes three jaw dimensions and its own weight. Here, the one question a buyer has — will it fit my pipe — has no answer on the page, and it is the question to settle with the seller before anything else.

Availability

Read on the day this page was built: $231 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 pipe sizes does it fit?

The listing does not say, and on a pipe clamp that is the whole specification. Five bullets describe precision, productivity, portability, versatility and durability without a single diameter, thickness or weight — the nearest thing to a figure is that the tool weighs "just enough to remain sturdy yet lightweight for portability". Before ordering, this is the question to put to the seller, because a pipe alignment clamp that does not fit your pipe does nothing at all.

What does an alignment clamp do that a locking clamp cannot?

Hold two pipe ends concentric. A butt weld in pipe fails when the two bores step relative to each other — high-low, in pipefitting terms — and no C-clamp or V-plier can pull two round sections into line with each other. An alignment clamp wraps the joint and forces both halves onto a common axis before the first tack. That is a real job and nothing else on this shelf attempts it.

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    The only clamp in this hub whose entire specification is figures — capacity, throat, length and thread, with nothing else claimed.

    Amazon reference
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    EAN
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    • A 2-1/2 in ceiling — anything larger needs the pipe clamps elsewhere on this shelf

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    Amazon reference
    B0C73J9KWR
    EAN
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    HEUER Welding table adapter for 120/160 mm vices

    An adapter that puts a proper German bench vice onto a fixture table — keeping the vice you already own.

    For vices
    120 mm (4.72 in) and 160 mm (6.30 in) jaw width
    Outer diameter
    340 mm (13.4 in)
    Amazon reference
    B0FL7N7WXD
    EAN
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Elsewhere in the workroom

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    Amazon reference
    B002C7BL8O
    EAN
    0699053200644
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    • A Type 27 depressed center, which is what lets a grinding wheel work at a shallow angle without the nut fouling
    • No maximum speed published anywhere, on a 1/4 in grinding wheel

    Best for: Grinding stainless and high tensile alloys in quantity, where grain quality decides the cost per weld

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    Amazon reference
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    EAN
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    Grade
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    Diameter
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    Weight
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    Spool
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    Amazon reference
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    EAN
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