Nyloc nuts with a nylon insert. These are the standard, most commonly used nyloc nuts. Stud Extractor Welding Rods Electrodes 1KG 2.5mm Stick Arc UK MADE Cutting. A2 Stainless Steel. 100 x Brown Wall Plug Plastic 2 way Expansion Fixing Raw Rawl Plugs 7mm x 40mm.
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