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Using shelf pins is one of the most common ways to make adjustable shelves, but they do have at least one downside — if the shelf isn’t exactly flat or the case is racked, the shelves might not contact all four supports, leaving you with a shelf that rocks — and not in a hip way.

Spiral Supports fit in the same holes as 5mm shelf pins and use a unique method to make sure all four supports always contact the shelf. If one support isn’t touching the shelf, just use a flat blade screwdriver to turn the support clockwise until the shelf is stable. Another advantage of these Spiral Supports is that you can use the supports to raise or lower the shelf — albeit by a small amount.

The Spiral Supports are available in clear, white, light brown, dark brown, and black. For $6 you can buy 25 clear spiral supports at Woodcraft; otherwise you can purchase 15 Spiral Supports for $7 on the corporate website.

Spiral Supports [Corporate Site]
Spiral Supports [Woodcraft]

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5 Responses to If Your Shelf Is A Rockin’…

  1. Toolaremia says:

    Twenty-five? Fifteen? Wouldn’t it make more sense to sell in multiples of four? Are they trying to match the hot-dog to bun ratio?

  2. @Toolaremia:

    Oops, that 15 is a typo it should be 16…

  3. Eddie says:

    It seems to me that these could twist slowly in the hole slowly making all your shelves wobble.

  4. ShopMonger says:

    Eddie: I think they might only if the hole is loose… However if there was a tight hole, then there would very little movement since there will be little angular vibration even in a shelf used many time a day.


  5. Amir says:

    Eddie, Thanks for bringing up this question,

    1. You may notice that the Spiral Supports has a The “flange-like lip”. This not only keeps the Spiral Support in bore, it also prevents it from spinning.

    2. The specific type of Spiral design is such that the shelf’s pressure is implemented as close as possible to the area just above the center of the pin – this is why even without the help of the “flange-like lip”, and even if the fitting is a bit lose, the Spiral Support will not spin, In fact, It will simply brake before spinning.

    Amir, Spiral Supports Ltd.

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