These nuts are what they are. Hexagon nuts M3x0.5mm stainless steel. They connect effortlessly with 3mm screws spaced 0.5mm apart and have a snug fit with no play. Anything could be asked at the clasp.
Get A Strong Grip With TICONN'S 100 Pc SAE Rivet Nut Kit - Zinc Plated Carbon Steel Flat Head Insert Nut With Knurled Body (SAE UNC 8-32)
6 Review
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