Steel Hex Nut, Zinc Yellow-Chromate Plated, Class 10, DIN 934, Metric, M20-2.5 Thread Size, 30 mm Width Across Flats, 16 mm Thick (Pack of 5): Amazon.com: Industrial & Scientific
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Amazon.com: Metric A2 18-8 Stainless Steel Hex Bolts FT M20 x 2.5 mm x 55 mm Long 5 pcs : Industrial & Scientific
Amazon.com: Newport Fasteners M20 x 45mm Hex Cap Screw Metric Class 10.9 Plain Steel (Quantity: 110 pcs) M20-1.5 x 45mm Hex Bolt/Extra Fine Thread/Fully Threaded/DIN 961 : Industrial & Scientific
Amazon.com: Metric A2 18-8 Stainless Steel Hex Bolts FT M20 x 2.5 mm x 60 mm Long 5 pcs : Industrial & Scientific