The SanKong Electronic Hardware Collection of Thumb Screws、Thumb Nuts、Washer face Thumb Screw、Plain Thumb Screws、Push Type Thumb Screws、Round Thumb Nuts、Hex Thumb Nuts and Hex Thumb Nuts are Metric Standard dimensioned parts, custom modified are available, to used on Aerospace, Automotive , Computers, Construction Equipment, Off-Highway Vehicles, Farm Equipment, Electronic Enclosures, Exhibits/Signs, Food Equipment, Furniture, HVAC, Industrial Enclosures, Lawn/Garden Equipment, Medical, Networking, Railway, Telecommunications.