CREAP 5/10/25/50pc M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 Solid Brass 3D Printer Hot Melt Knurl Injection Molding Embedded Nutsert Insert Nut (Color : 6mm Long, Size : 50pcs M2(OD 3.5mm)) 

Material: brass<br/>Inside thread diameter<br/>1.6mm (M1.6) / 2mm(M2) / 2.5mm(M2.5) / 3mm(M3) / 4mm(M4)<br/>5mm(M5) / 6mm(M6)/8mm(M8) /10mm(M10)<br/>Outside thread diameter<br/>M1.6 (2.5mm) / M2(3.5mm) / M2.5(3.5mm) / M3(4.2/5.3mm) / M4(5.2/6.3mm)<br/>M5(6.3/7.2/8.3mm) / M6(8.3/10mm) / M8(10/12mm) / M10(12mm)<br/>Inside thread pitch<br/>0.35mm (M1.6) / 0.4mm(M2) / 0.45mm(M2.5)/0.5mm(M3) /0.7mm(M4)<br/>0.8mm(M5) / 1.0mm(M6)/1.25mm(M8) /1.5mm(M10)