1993 - Volume #17, Issue #5, Page #35
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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 liqu..........
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