Use a boxwoodor rawhide malletto beat it over a scrap piece of metal of the same thickness on a bench blockor similar surface.
Tools for making a grooved joint seam in sheet metal.
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It consists of two folded edges that are locked together with a hand groover fig.
The lock seam which has an additional fold and is often used for corner seams is a type of grooved seam.
When making a grooved seam on a cylinder you fit the piece over a stake and lock it with the hand groover fig.
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Manual sheet metal grooving tool don t forget to subscribe.
Fold initially to an acute angle using folding barsand hatchet stakeor bench folder.
Making a grooved seam mark out half the width of the seamon each end of the piece to be joined.
The grooved seam is commonly used to construct objects made of light sheet metal such as air ducts.
Crescent wiss 24 folding tool wf24.
2 57 is one of the most widely used methods for joining light and medium gauge sheet metal.
Manual grooved seams are pounded with a mallet to finish with no soldering required.
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The grooved seam joint fig.