M3 x 30mm Flat/Countersunk Head Socket Screws,Pack 100-piece,Stainless Steel,Full Thread,Right Hand,Metric Pack 100-piece, Thread Dia.3mm, Screw Length 30mm Head Diameter: 6mm, Head Height: 1.7mm, Thread Pitch: 0.5mm Driver type: Hex Key/Allen Key/Hex wrench/Hex Bit Stainless Steel, Full Thread, Right Hand M3 Countersunk Head Socket Machine Screws