... Pan/Round head screw, Titanium Countersunk/Flat head screw, Titanium Oval head screw, Titanium Button head screw, Titanium Slotted Cheese head screw, Titanium ball head ... , Titanium Plain/Flat washer, Titanium Spring Washer, Titanium Special fasteners, Titanium non-standard fasteners, etc. Standard: ASTM, ANSI, DIN, BS, JIS, GB ...