5/16"-18x20mm Threaded Insert Nuts Hex Socket Drive for Wood Furniture 40pcs

Description:1.Made of carbon steel, color galvanized surface treatment, high hardness, and perfect wear resistance, inner hexagon socket, smooth, non-slip.2.Suitable for hardwood, such as solid wood, has a good effect on the furniture combination.3.The unique external thread ensures positive locking and offers strong resistance against pull-out due to torsion or vibration.4.Make a hole smaller than the outer diameter of 0.2-0.5mm and lock the nut with a hex wrench. The mounting hole should not be larger than the outer diameter of the thread. When the nut is locked, some wood glue can be applied to the outer teeth to make the fastening effect good.Specification:Product Name: Insert Nuts for woodMaterial: Q235 Carbon SteelMain Color: Color ZincFinish: Color Zinc PlatingHead Type: Hex Socket HeadInternal Thread Size: 5/16"-18External Thread Diameter: 13mm / 0.51"Total Height: 20mm / 0.79"Head Diameter: 14mm / 0.55"Hex Socket Width: 8mm / 0.31"Package Content:40pcs x Threaded Insert Nuts