The driller's tail screw is a thin metal pad placed between the nut or screw head and the connected part.Parts placed between the connected part and the nut.A generally flat metal ring,For maintaining that the surface of the connected piece is not scratched by the nut,Working pressure of decentralized nut on connected parts.The appearance feature is the shape of the horn head.
Uses: It is used to install various gypsum boards, ceiling, light partition, light steel keel, etc.
Material: carbon steel,stainless steel.stainless steel is divided into a variety of materials.
Thread size: M4.2/M4.8/M5.5/M6.3mm,the specific length can be customized according to requirement.