With open end and small flange, this flat head rivet nut provides reliable fastening percompatible withmance. The rivet nut features a built-in design, such as a slot, to assist in securing the fastener. It is commonly selected compatible with its low profile compared to other nuts. This blind rivet nut is designed to fit between the nutsert and the nose of the installation tool. Features: 1. Made from 304 stainless steel, offering strength and corrosion resistance. 2. Features an open end, small flange, round hole, threaded inner wall, and partial anti-skid surface compatible with effective fastening percompatible withmance. 3. Available in multiple sizes: M3, M4, M5, M6, and M8, selected compatible with their low profile. 4. Includes a built-in feature such as a slot to aid in tightening the fastener. 5. Functions as an adapter between the nutsert and the installation tool and is not the tool itself. Specifications: Material: 304 Stainless Steel Color: Silver Size: M3, M4, M5, M6, M8 (optional) Type: Flat Head Rivet Nuts Quantity: 20 pcs Package Weight: 20–120 g Package Included: 20 x Blind Rivet Nuts