I don't know why I didn't buy it 20 years ago. Much better than screws and washers for attaching a vise to my drill press. Please note that they do not thread through, so short screws are required.
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
304 Stainless Steel Machine Screw And Hex Nut Assortment Kit - 170 Pieces By T.K.Excellent
4 Review
100-Pack Fullerkreg Stainless Steel 10-32 Nylon Insert Hex Lock Nuts - Durable & Secure Fasteners
4 Review
Pack Of 50 Stainless Steel 5/16-Inch Standard (SAE) Nylon Insert Lock Nuts By Fullerkreg
5 Review
π© Hard-to-Find Quick Fastener 014973253790 - 4 Piece Set
7 Review
π Carriage Prime Line Products GD52103
6 Review
π© 5-Pack of M8x60mm Stainless Steel External Hex Expansion Bolts by Yasorn
10 Review
πͺ Strong and Versatile: National Hardware N222 406 Square Bolts for Secure Fastening
7 Review