M4X20mm Bolt and Nut is the combined set, it is used with a 20mm long bolt with an M4 size nut. we can use these nuts directly to the compatible female threaded hole, It is made up of High tensile Mild steel material which offers high tensile strength and excellent corrosion.
Length of Bolt:20mm
Bolt head style: Rounded
package: contains one nut and screw