10PCS Thread ADAPTERS M8 8MM Male to M6 6MM Female Threaded Reducers Stainless Steel Fastener Accessory: Amazon.com: Industrial & Scientific
Amazon.com: Walfront 30 Piece M6 Thread Repair Insert Kit Compatible Hand Tool Set for Auto Repairing Used in Daily Repair, Car Repair, Drilling Machine (M6) : Automotive
Amazon.com: VIGRUE 304 Stainless Steel Screws and Nuts, M3 M4 M5 M6 Hex Socket Head Cap Screws Assortment Set Kit with Storage Box (520 Pcs Hex Socket Head Cap Screws Nuts) :