M2, M3 or M5 Hex Socket Cap Head Screw

Hex socket cap screw per pack
100pcs M3*10 or 50pcs M5*8
It's an option for Kossel 3D Printer builds using RobotDigg Vertex, 2020 aluminum profile n linear rails

Hex Socket Head Screw can be differed into three types:
Cap Head

Flat Head

Button Head