Payment & Shipping Terms:
screws and fasteners,
M4 Carbon Steel Blue Teflon Coated Screw Bolt Hex Head Fastener for Car
Hex head screw bolts are made from carbon steel with teflon coating instead of normal zinc finishs . teflon coating is specially used for special working conditions like extreme high or low temperature , high requested lubricantion and resistant corrosion etc . teflon coating of screw or bolt is similar with powder coated bolt or screw but different on performance .
Mostly , teflon coated screw or bolt is blue color and green yellow , red , black and white can be made for custom requirements . Teflon coated screw is made of carbon steel for the most applications , but stainless steel and aluminum is used for special requests .
Carbon steel with grade 4.8
Optional materials for telfon coated screw bolt like stainless steel , aluminum , brass and titanium etc .
|A ( % )||33.5|
|Reduction of areaZ ( % )||66|
Final properties data maybe different as dimensions , process and hardening for teflon coated screw
Leading difference for Teflon coated screw compared to normal screws is its teflon coating ,this kind coating with perfect features
1 . Resistant high or low temeperature
Teflon coated screw bolt can be worked from 100 degree zero to 260 degree .
2 . Not easy to be loosen
Teflon coating is good self lubricant and just 0.4 friction factor .
3 . Resistant corrosion
Teflon coating is not mostly dissolved into any chemical solvents .
4 . Not easy to be broken
Teflon coated screws are made of carbon steel with good enlongation and ductility .
Tips for use
1 . Do not put teflon coated screw into temeprature over 260 degree .
2 . Not suitable for heavy duty .
3 . Do not scratch teflon coating for long service
Teflon coated screw bolt is used for car , and used for other fields as well like chemical industry , machinery , electronical equipments , building and ocean equipmnets etc .
Teflon coated screw bolt can be customzied according to your special applications , eg , material , thickness of teflon coating , dimensions , hardness , basic profile of screw and packing etc .
Besides , teflon coated screw , we provide more fasteners with metal and plastic materials for you . eg , different stainless steel screws , various fastener screws , metal stamping parts , custom plastic parts , spacer washers , fastener pins and standard or non-standard bolts nuts .
Contact Person: MR.LIN