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Spurtar Welding magnets, 6 × 13 kg

Six magnets for €20: they hold a corner square while you tack, and they are not clamps.

Spurtar Welding magnets, 6 × 13 kg, product photograph

Spurtar Welding magnets, 6 × 13 kg

Six magnets for €20: they hold a corner square while you tack, and they are not clamps.

Quantity
6 magnets
Hold
13 kg (28.7 lb) each
Angles
45°, 90° and 135°
Amazon reference
B08GR33SXH
EAN
0696177836667
  • Six magnets means both ends of two joints held at once
  • Three angles cover square corners, mitres and obtuse bracing
  • Magnets hold for tacking and cannot resist a cooling weld

Best for: Holding a frame square long enough to tack it

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Specifications

Quantity
6 magnets
Hold
13 kg (28.7 lb) each
Angles
45°, 90° and 135°
Amazon reference
B08GR33SXH
EAN
0696177836667

Position, then clamp

The sequence that works: magnet to set the angle, tack both ends, remove the magnet, clamp mechanically, weld. Skipping the middle steps is the commonest reason a « square » frame is not.

Thirteen kilograms is not much

It is enough for light section and nothing more. On heavy steel, magnets of this size position the work and rely on you to hold it.

Sources

Every figure above comes from the manufacturer’s published specification for this reference. Fields the listing does not publish are left out rather than estimated. Market availability was verified per market on the EAN.

The questions welders ask

Why can magnets not hold through the weld?

Because a cooling weld shrinks with far more force than 13 kg (28.7 lb), and because heat weakens the magnet itself. What magnets do is hold parts in position while you place tacks. Once tacked, mechanical clamps take over. Trusting a magnet through a full bead is how a frame comes out of square.

How do I stop them collecting swarf?

Wrap them or keep them away from the grinding area, and wipe them before use. A magnet coated in grinding dust holds badly and marks the work, and the dust is very hard to remove once it has migrated into the seams of the casing.

Welders this fits

All clamps & vices

Prices quoted in these summaries are dated readings. The live price is shown next to each product.