uxcell M3x30mm 0.5mm Pitch Bolts Socket Cap Head Hex Key Screws 20pcs Product Name : Hex Socket Cap Screw;Material : 304 Stainless Steel;Color : Silver Tone Screw Type : M3x 30mm;Thread Diameter : 3mm/ 0.12";Thread Length : 30mm/ 1.2" Thread Pitch : 0.5mm;Hex Width : 2.5mm/ 0.1" Head Size : 5.3 x 3mm/ 0.21" x 0.12" (D*H);Overall Length : 33mm/ 1.3" Weight : 34g;Package Content : 20 x Hex Socket Cap Screws