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Amazon.com: Hex Flange Nut A2 Stainless Steel - 8M x 1.25 (13.0 Flats x 8.0 Thick x 17.9 Dia Flg) Qty-100 : Industrial & Scientific
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18-8 Stainless Steel Hex Flange Nut, Plain Finish, Self-Locking Serrated Flange, ASME B18.2.2, 1/2"-13 Threads, 3/4" Width Across Flats, 29/64" Overall Height (Pack of 10) : Amazon.co.uk: DIY & Tools
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Gibraltar - M16, 31mm Flange Diam, 24mm High, 24mm Across Flats, Flange Nut - 85558807 - MSC Industrial Supply
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Amazon.com: 3/8"-16 Serrated Flange Hex Lock Nuts Hexagon Nuts, 304 Stainless Steel 18-8, Full Thread, Coarse Thread UNC, Pack of 10 : Industrial & Scientific
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