Amazon.com: New Lon0167 8.8 Grade M12x80mm Full Threaded Left Hand Thread Hex Head Bolt Black 2pcs(8.8 Grade M12x80mm Sechskantschraube mit Linksgewinde Linksgewinde schwarz 2St : Industrial & Scientific
Screw Bolts, M8x1.25 Stainless Steel DIN603 A2 30Pcs Cup Square Coarse Thread Cup Square Bolt for Woodworking(M8*40): Amazon.com: Industrial & Scientific