* Thread size: 1.0 mm minimum
* Thread type: machine screw, tapping screw, tri-angular screw thread, thread forming screw for plastic, other special thread
* Head type: pan head, flat (countersunk) head, cheese head, wafer head, ultra thin head and other standard or custom head
* Recess: cross recess, slot, hexalobular socket, hex socket …..
* Various material: steel, stainless steel, brass ….
* International standard: ISO, IFI(ASTM, SAE...), DIN, JIS etc
* Customers's design available* Other demand: Nylon patch (thread locker), assembly with washer, other special proceeding, such as circular proceeding(CD vein)