uxcell 20 Pcs Plastic M8 x 30mm Hexagon Hex Head Bolt Screws Fasteners Product Name : Screw;Type : Hexagon Head Quantity : 20 Pcs;Thread Length : 30mm/ 1.18" Thread Diameter : 8mm / 5/16";Overall Size : 35 x 15mm/ 1.37" x 0.6" (L*D) Material : Plastic;Color : Off White Net Weight : 43g;Package Content : 20 x Hexagon Head Screw