Material: Carbon Steel
Screw Drive Type: Hex Socket
Screw Head Type: Countersunk Head
1.Black appearance, dark color will fit well in different occasions.
2.The length of a flat socket head cap screw is measured from the top of the head to the flat of the point unlike other socket products.
3.Made of carbon steel, extremely high hardness, makes them good at resisting abrasion and retaining shape. They can withstand significant force before deforming.
4.Widely used for RC Model,such as RC Helicopter/RC Quadcopters/RC Drone.