✔ Meets/exceeds: ISO7380
✔ Screw head style: Button, Screw drive style: Internal Hex drives, known as Hex Socket Drives, hex size 2.0 mm ✔ Screw head diameter : 5.5 mm, screw head height: 1.6 mm, screw thread size( Dia. ): 3 mm, screw thread pitch : 0.5 mm
✔ Material of screws: stainless steel 304, high strength and anti-corrosion in various conditions
✔ Material of Hex Key : chrome-vanadium steel, nickel plated
✔ Easy to store : these screws and hex key come in an easy-use plastic storage box

[ Sizes ]-----[ Thread Length ]-------[ Total Length ]
M3 x 8 ----------8 mm----------9.6 mm

[ Package Contains ]
M3 x 8 -----100 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 Button Head ]
Button head screws are similar to standard pan head screws, but have a curved top