Screw Material : 
***6C、***8C、***2C、***5C、SCM**5、SUS**2、SUS**0、SUS**0、C***0, etc.
Washer Material :
SUS**4、Phosphor Bronze、Bronze、Copper、*8C、*0C、*0C、*0C、*0C
Finish :
Black Zinc、Zinc yellow、Black  Nickel、Green Zinc、Nickel、Bronze、Copper、Zinc、Trivalent Zinc、Black Oxide、Trivalent Black Zinc、Trivalent White Zinc、Trivalent Zinc yellow
Driver :
Phillips、Slotted、Phillips-Slotted、Hexagon、Six-Lobe、Six-Lobe Tamper、Six-Lobe-Slotted、Square、Pozidriv、Pozidriv-Slotted、Hex head