These are fine, well made and as good as you can get for non U.S. made steel. Finish is very good and they will last a long time.
45Pcs M6 X 15Mm Zinc Plated Carbon Steel Rivet Nut Insert Nutsert - Fullerkreg
4 Review
Circuit Performance Forged Steel Extended Open End Hex Lug Nut for Custom Wheels: 12x1.5 Purple - Set of 20 + Tool
6 Review
100-Pack Fullerkreg Stainless Steel 10-32 Nylon Insert Hex Lock Nuts - Durable & Secure Fasteners
4 Review
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