M3 Brass Hex Sacer Screw Bolt Male Female Metric Connection Fastener

Spacer screws are also named standoff or spacer bolt that has a two threads designs but are same specification as both threads must to be jointed each other . outer threads are placed under hexagonal body , the thread length of outer thread must to be shorter than the depth of inner thread for completely inserted into . 

As conduction requirement , spacer screw is popularly made from brass material . and for some applications , the surface of spacer screw is coated by nickel finish . 

Specific dimensions

Dimensions for spacer screws can be customized according to application , most specification is M3 , M4 and M5 .

Mechanical Properties

Features

Compared to carbon steel material , brass spacer screws with more advantages 

1. Good electricity conduct

2 . Resistant wear

3 . Good ductility

4 . Corrosion resistance

5 . Precise dimensions 

About finish ( coating )

Normally , brass spacer screw should be applied a film of coating nickel after finished basic profile , nickel finish helps surface of screws to become more smooth and increase service time on corrosion resistance and improve hardness . Of course , for brass sapcer screws without nickel finish that not make a effect on use .

About customization

Spacer screws are customized for dimension , material , finish and basic profile . eg , we can provide carbon steel ,stainless steel , copper , aluminum materials etc . 

About lead time

For small order , we can ship goods out in 5 days , final delivery has to be subjected to material , finish and quantity of order .

About packing

Mostly , spacer screws are packed 100 pcs each bag and 50 bags each carton . carton dimension is 20 x 25 x 15 cm , for big quantity , there is a standard pallet for easy carry , Final packing data should be subject to specific dimensions of set screw and packing types . Besides ,we accept custom packing for your special requirements .