LUPANTER 705 pcs Metric Bolt and Nut Set - M6/M8/M10/M12 Grade 8 Heavy Duty Hexagon Bolts and Nuts Assortment Kit with Yellow Zinc Plated Coating,includs 15 Common Sizes: Amazon.com: Industrial & Scientific
PGMJ 164 Pcs Metric 304 Stainless Steel M6/M8/M10 Nuts and Bolts Assortment Kit Include Flat & Lock Washers for Home Fixation/Repairs(K13 Long Sets): Amazon.com: Industrial & Scientific
MECCANIXITY Thread Reducing Nuts Insert M10 x 1mm Male to M6 x 1mm Fine Thread Female Adapters 10mm Long Pipe Fitting Conversion Sleeve Reducer, Pack of 5: Amazon.com: Industrial & Scientific