Mighty Grip: these bolt screws feature deep wood screw coarse threads for superior holding and prevent stripping in the material; Can be applied in even severe environment. Often using with washer which distribute the pressure of the head evenly so that to prevent pull through.
Standard and Various Sizes: the kit includes 5 different most common used sizes: 5/16 x 3-1/2", 5/16 x 1-1/2", 5/16 x 2", 5/16 x 2-1/2", 5/16 x 3"; Diameter are all 5/16"; Thread Type are all Coarse (standard); Quantity: 56 pieces screws and washers in total (28 sets)
Premiun Material: Heavy duty screw bolts are made from 18-8 (304) stainless steel and coated with black oxide, which is certified, good look, strength and corrosion resistant.
Projects Helper: These wood bolts screws are ideal used for securing wood in heavy duty applications that standard wood screws cannot support the load; Suitable for industrial, exterior and household applications, liking deck building or joining lumber
