Carbon steel galvanized cross recessed combination screws hexagon screws with spring and flat washer
Stainless Steel SS302,SS304,SS316,SS410,SS420,SS416,SS430 etc.
Aluminum:AL5005 H34 etc,
Natural,Zinc, Nickel, Antique bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Zinc-nickel alloy plated,Anode various colors,Electrophoresis,Polished,Powder coating,Spray painting,PVD etc.
ISO,GB,DIN,JIS,ANSI,BSW or base on the Drawings or Samples
A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9
Six-Lobe Tamper ,Hex Recess Tamper ,Triangle Driver, Square Driver, 5-POINT Driver, One-Way Drive, H-Type, Tri-Wing, Spanner Driver etc.
Screw head type
Pan Head, Flat Head, Undercut Flat Head , Wafer Head, Oval Head, Truss Head, Button Head, Cheese Head, Hex Head, Cap Head, Binder Head, Hex Washer Head,etc.
Partial thread,Dog point,Machanical thread,Self tapping thread,Wood thread,PT thread,Eco syn,Forming thread,Cutting thread,High-low thread,Taptite thread,Tri-lobular thread,self-drilling thread,Special screw head type,etc.
Mechanical dimentions, hardness test. salt spray endurance test,etc.
Range of application
Maintain the interests of the business; anti-theft, reducing unnecessary losses; Easy to use and beautiful.There are removable anti-theft screw and Non-removable anti-theft screw.
Application areas: power facilities, railway facilities, highway facilities, oilfield facilities, urban lighting streetlights, light car tires and public fitness equipment, etc.