Advance Hydrau Components Pvt. Ltd.

Ghevra, Delhi

Self-Clinching Nuts are made of heat-treated steel, stainless steel or aluminum and are designed to be installed into a pre-drilled or punched hole so the nut is flush on the back side. Generally installed in sheet metal or other thin material that is to thin for tapping threads.

Externall teeth starwasherhasserrationson theouter edge, which provides better holding power, because of the greater circumference.This type of washer is especially effective as a lock washer when used with a soft substrate, such as aluminium or plastic, and can resist rotation more than a plain washer on hard surfaces, as the tension between washer and the surface is applied over a much smaller area (the teeth).

Externall teeth lockwasherhasserrations on theouter edge, which provides better holding power, because of the greater circumference.This type of washer is especially effective as a lock washer when used with a soft substrate, such as aluminium or plastic, and can resist rotation more than a plain washer on hard surfaces, as the tension between washer and the surface is applied over a much smaller area (the teeth).

Aplain washer(or 'flat washer') is a flatannulus or ring, often of metal, used to spread the load of a screwed fastening. Ita may also be used when the hole is a larger diameter than the fixing nut