M4x30mm Stainless Steel Socket Head Cap Keys Machine Screws 50 Pcs Product Name : Hex Socket Cap Screw;Material : 304 Stainless Steel;Color : Silver Tone Screw Type : M4x 30mm;Thread Diameter : 4mm/ 0.16";Thread Length : 30mm/ 1.2" Thread Pitch : 0.7mm;Hex Width : 3mm/ 0.12" Head Size : 7 x 4mm/0.28" x 0.16" (D*H);Overall Size : 34 x 7mm/ 1.3" x 0.28"(L*D) Weight : 152g;Package Content : 50 (+/-2%) x Hex Socket Cap Screws