Uxcell a15111600ux0323 M8x20mm Hex Socket Screw in Thread Insert Nut 20 Pcs for Wood Product Name: insert nut; material: metal, zinc plated Weight: 79G; Package Content: 20 x insert nut Main Color: brass tone; hex size: 8mm/0.3" Female thread diameter: M8 x 1.25Mm(dia * Pitch) Total size: 20 x 14mm/0.8" x 0.55"(L* head Dia)