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Bolt Base 4mm A2 Stainless Steel Hex Socket Button Head Allen Bolt Screw M4 X 40-10 : Amazon.co.uk: DIY & Tools
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Metric machine screws, Phillips flat head, Stainless steel 18-8 (A-2), 4mm x 0.7mm x 10mm - Bolt Depot
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Bolt Base 4mm A2 Stainless Steel Allen Bolt Socket Cap Screw Hex Head M4 X 70-50 : Amazon.co.uk: DIY & Tools
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