Black Thumb Plastic Knob Screws for Desk Feet M5 Steel Galvanized Adjustable Fastener

Plastic knob screws are designed for feet of desk or other objects with adjustalbe feet , it can highten or lower the distance between desk and floor via handling plasitc knob screw , and for some applications , plasitc knob screw is used for furniture or light industry for same role as for desk . 

Plastic knob screw are made of composite of plastic and steel , normally , black plastic head and galvanized steel threaded shaft . 

Generally , plastic knob screws are unhardened steel and can not be used for heavy duty application . 

Dimensions

Thread for screws is from M2 to M10 for normal applications 

 Note : unit in mm .

Material

Carbon steel with zinc coating for metal shaft and plastic black head design . Besides , metal shaft can be made in stainless steel for more good corrosion resistance or alloy steel for higher strength .

Finish

Free chrome zinc finish on surface 

Features

1 . Easy operation by hand

2 . Corrosion resistance

3 . Not easy to be broken

4 . Long service

Customzation

We accept customzation for plastic knob screw eg , special head shape and different mateerial for metal shaft etc .

Normal Packing

1 . In bulk 

eg , 100 pcs of poly bag and 5 or 10 bags of chipboard carton . 

2 . Box packing

Plastic knob screws are packed in small boxes and then in big carton for easy shipment .

3 . Customized packing is accepted 

Other Products we Supplied

Except plastic knob screws , we are able to provide more different fasteners like various standard and custtom screws , Bolts , Nuts , Pins , Spacer washers and different metal or plastic custom working pieces for industry .