iExcell 250 Pcs M3 x 6mm/8mm/10mm/12mm/16mm Stainless Steel 304 Hex Socket Button Head Cap Screws Kit

? Meets/Exceeds: ISO 7380 ? Stainless steel 304, high strength and anti-corrosion in various environments ? Screw Head Style: Button ; Screw Drive Style: Internal Hex, known as Hex-socket drives ***Length Information*** ---Item---------------Thread Length------------------Total Length M3 x6mm-------------6mm/0.24"----------------------7.6mm/0.30" M3 x8mm-------------8mm/0.31"----------------------9.6mm/0.38" M3 x10mm-----------10mm/0.39"---------------------11.6mm/0.46" M3 x12mm-----------12mm/0.47"---------------------13.6mm/0.54" M3 x16mm-----------16mm/0.63----------------------17.6mm/0.69" ***Package Quantity*** M3 x6mm------------50 Pcs M3 x8mm------------50 Pcs M3 x10mm-----------50 Pcs M3 x12mm-----------50 Pcs M3 x16mm-----------50 Pcs Total-----------------250Pcs ***About Internal Hex Drives*** Internal hex drives, also known as hex-socket drives, are similar to hex drives, but have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench ***About Button Head*** Button head screws are similar to standard pan head screws but have a curved top