5 x 50 mm Hexagonal head woodscrew (A2 stainless Steel) DIN571 Stainless Steel Hex-Head Woodscrews also known as Lag Bolts. These are used to support heavier loads than a standard woodscrew and require a pilot hole unlike some woodscrews, hex head woodscrews are more suitable than a standard woodscrew when a large amount of torque is required. Dimensions : mm k = 1.55 s = 1.8 e (min) = 0.3 d = 5 l = 50
