| NO | Descriptions | Code | Size | Fieids for use | |
| 1 | Cold forged wing nut | CFWN |  |
M3-M12 | Automobile Light electric appliances Construction machine Engineering machine Furniture parts |
| 2 | Stamped wing nut(ordinary thread) | WN |  |
M3-M8 | Automobile Light electric appliances Construction machine Furniture parts |
| 3 | Stamped wing nut(high thread) | HWN |  |
M4-M8 | Automobile Light electric appliances Construction machine |
| 4 | Cold forged wing screw | CFWS |  |
M4-M10 | Automobile Light electric appliances Construction machine Furniture parts Agricultural machine |
| 5 | Pressed wing screw | CPWS |  |
M4-M12 | Automobile Light electric appliances Construction machine Engineering machine Furniture parts Agricultural machine |
| 6 | Pressed wing screw | SSCPWS |  |
M4-M8 | Automobile Light electric appliances Foodstuff manufacturing machine Chemotherapeutic appliances Marine industry appliances Education appliances |
| 7 | Hex nut assembled with teeth-washer | KN |  |
M3-M6 | Automobile Light electric appliances |
| 8 | Hex nut assembled with conical washer | OLN |  |
M3-M10 | Automobile Light electric appliances Construction machine Engineering machine |
| 9 | Hex nut assembled with conical washer (Super O-Lock Nut) |
SOLN |  |
M4-M12 | Automobile Construction machine Agricultural machine Automobile electric parts Control switchboard Electric tool |
| 10 | Cap nut | WECN |  |
M4-M10 | Automobile Light electric appliances Construction machine |
| 11 | Bonded washer | BDW |  |
M1.0-M20 | Automobile Light electric appliances Construction machine |
| 12 | Hex nut assembled with bonded washer | BDWN |  |
M5-M8 | Automobile Light electric appliances Gas appliances |
| 13 | Screw assembled with bonded washer | BDWS |  |
M4-M6 | Automobile Construction machine Solar electric appliances Refrigerating appliances |