M8x1.25mmx40mm 6mm Titanium Hex Key Socket Head Cap Screws Bolts 4 Pcs Product Name : Hex Socket Head Cap Screw;Material : Stainless Steel;Color : Gray Screw Type : M8x 40mm;Thread Diameter (d) : 8mm/ 5/16";Thread Length (L) : 40mm/ 1.6" Thread Pitch : 1.25mm;Hex Width (s) : 6mm/ 0.24" Head Size (D*k) : 12x 7mm/ 0.5" x 0.28" (D*H);Overall Size : 49 x 12mm/ 1.9" x 0.5"(L*D) Weight : 41g;Package Content : 4 x Hex Socket HeadCap Screws