https://sunhyings.com/special-nuts/barrel-nuts/
Barrel Nuts & Cross Dowels Manufacturer | OEM Binding Posts
Mar 12, 2026 - Source precision-machined barrel nuts, cross dowels, and flat head binding posts. Engineered for heavy-duty right-angle joints and flush architectural...
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https://www.fastenright.com/general-fixings/slotted-raised-head-barrel-nuts/sb003
Slotted Raised Head Barrel Nuts | Fastenright Ltd
Sep 27, 2022 - Slotted Raised Head Barrel Nuts In Stock. Slotted barrel nuts (sleeve nuts) with raised head, manufactured in M4 thread as standard (with other threads...
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https://www.bestfittings.co.uk/shop/fill-lines-fittings/fittings/bsp-npt-barrel-nuts-sleeve-nuts/
BSP and NPT Barrel Nuts / Sleeve Nuts – Best Fittings
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