I was a bit disappointed in the color of the nylon insert in the nut. I had a specific job that required black and silver coloring. The nuts are of reasonably good quality and the inserts should keep your nuts attached (which is a good thing, since loose nuts can be a distraction!)
PGMJ 80 Pieces M8 Wood Inserts Bolt Furniture Screw in Nut Threaded Fastener Connector - Hex Socket Drive for Wood Furniture Assortment (M8x20mm)
3 Review
Pack Of 50 Stainless Steel 5/16-Inch Standard (SAE) Nylon Insert Lock Nuts By Fullerkreg
5 Review
45Pcs M6 X 15Mm Zinc Plated Carbon Steel Rivet Nut Insert Nutsert - Fullerkreg
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LOKMAN 105PC Rivet Nut Assortment Kit With Flat Head Carbon Steel Threaded Inserts - Includes 8-32UNC, 10-24UNC, 1/4"-20UNC, 5/16"-18UNC, And 3/8"-16UNC Knurled Body Rivnuts (Rivet Nut Kit 2)
10 Review