✔ Meets/exceeds: DIN7991
✔ Screw Head Style: Flat head, known as countersunk head, countersunk angle: 90 Degree
✔ Screw Drive Style: Internal Hex Drives, known as Hex Socket Drives, hex Size: 2 mm
✔ Head Diameter: 5.94 mm/0.23",Thread Size(Dia.): 3mm; Thread Pitch : 0.5 mm
✔ Rust proof of Screws: black oxide finish covered with anti-rust oil

[ Sizes ]----[ Thread Length ]----[ Total Length (Include Head) ]
M3 x 6--------4.4mm---------6mm
M3 x 8--------6.4mm---------8mm
M3 x 10-------8.4mm--------10mm
M3 x 12-------10.4mm-------12mm
M3 x 16-------14.4mm-------16mm

[ Package Contains ]
M3 x 6 ------50 Pcs
M3 x 8 ------50 Pcs
M3 x 10-----50 Pcs
M3 x 12-----50 Pcs
M3 x 16-----50 Pcs
Hex Key ----1 Pcs

[ About Internal Hex drives ]
Internal Hex drives, also known as Hex Socket Drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen Wrench
[ About Flat Head ]
Flat head screws are designed to fit flush to the surface when used with countersunk holes