The Cheap Nut 1.Standard:DIN ,ANSI,JIS ,BSW 2.Size:M4-M20 Bolt and nut1.Standard:DIN ,ANSI,JIS ,BSW2.Size:M4 ... in various of applications like construction hardware, electronic and electrical appliances,automobiles and so on.7.Delivery time:20 days after receiving ... the samples are confirmed Specifications the nut 1.material: metal and carbon 2.shapes: hexagon,squared,plain 3.model: non-standard ...