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Self-Sealing Screws & Bolts
New Zago self-sealing screws and bolts are manufactured with a groove under the head to hold a rubber 0-ring which, when compressed, forms a complete seal yet still permits full metal-to-metal contact.
Zago makes a full range of fasteners with the built-in 0-ring, which provides an airtight seal against both liquids and gases. Can be removed and reused with-out wrecking the seal.
Contact: FARM SHOW Followup,
Zago Mfg. Co., Inc., 240 M.L. King Blvd., Newark, NJ. 07102 (ph 201 643-6700; fax 201643-5839).

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1993 - Volume #17, Issue #5