M18 stainless steel ss316 round head hexagon decorative cap nut
In fact, the cover nut as the name implies, is a nut with a cover, the cover of the purpose is to prevent moisture into it, so as to prevent the rust of the nut.You usually have the opportunity to look at cars, tricycles, electric vehicles and other vehicles tires, or the lamp stand, which is mostly covered with nuts
The cover nut is used for the following purposes:
(1) cover nut and stainless steel hexagonal slotted nut with a cotter pin, and screw bolt with holes, used to withstand vibration, alternating load, can prevent nut loose out.
(2) cover nut with insert, insert by tightening the nut to tap out the internal thread, can prevent loosening, and has good elasticity.
(3) the use of cap nut and hexagon nuts, the characteristics of the wrench card nut is not easy to slip, but can only use a wrench, open wrench, dual-purpose wrench (open part), or special square hole socket wrench for installation and disassembly.Often used on rough, simple components.
|8||ASTM A194||Type 304 stainless steel||Heavy Hex, 80 ksi Hex, 75 ksi||HRB 60 - 105|
|8A||ASTM A194||Type 304 stainless steel||Heavy Hex, 80 ksi Hex, 75 ksi||HRB 60 - 90|
|F594C||ASTM F594||Type 304 stainless steel||100 ksi||HRB 95 - HRC 32|
|F594D||ASTM F594||Type 304 stainless steel||85 ksi||HRB 80 - HRC 32|