M12 x 130mm Hex Bolt Part Thread A2 Stainless Steel DIN 931
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QSCTYG Ratchet wrench set 8mm-13mm Flexible Action Quick Wrench Spanner Nut Head Ratchet Metric Spanner Open End And Ring Wrenches Hand Tool (Size : 12mm) : Amazon.co.uk: DIY & Tools
DOME NUTS M3,4,5,6,8,10,12mm A2 STAINLESS STEEL FOR METRIC BOLTS | eBay
M5 Black Plastic Dome Bolt Nut Protection Caps FREE POST
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Bolt Base 12mm A2 Stainless Steel Fine Pitch Hexagon Half Lock Nuts Hex Thin Nut DIN 439 M12 X 1.25mm - 2 : Amazon.co.uk: DIY & Tools
6 Piece Flare Nut Wrench / Spanner Set (Neilsen CT1424) | DIY at B&Q