You may have heard that when it comes to building a boat, you can never have too many clamps. While that’s true, a large collection of clamps can be expensive and take up a lot of room in the shop. Fortunately, there are shop-made spring clamps that cost only pennies and are small enough for dozens to fit in a gallon bucket.

Photographs by the author

I used a chop saw to cut the 2″ PVC pipe. A scrap-wood stop clamped to the saw’s fence set the width of the pieces for the clamps at 1″. Almost any wood-cutting saw and hacksaw can be used to cut the PVC.

These spring clamps are cut from Schedule 40 PVC (polyvinyl chloride) pipe, which is made in white for plumbing and gray for electrical conduit. (The black Schedule 40 ABS pipe used for drains doesn’t have the spring-like quality of PVC and isn’t suitable for use as clamps.) I have more than 100 clamps made from 1 1⁄2″ and 2″ PVC pipe.

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