Lincoln 15437SP

EYELET ROLLED FLANGE

An eyelet (a small grommet) is a ring or edge strip inserted into a hole through thin material, such as sheet metal or composite of carbon fiber, wood or honeycomb. Grommets are generally flared or collared on each side to keep them in place, and are often made of metal, plastic, or rubber. They may be used to prevent tearing or abrasion of the pierced material or protection from abrasion of the insulation on the wire, cable, line being routed through the penetration, and to cover sharp edges of the piercing, or all of the above.

A flange is an external or internal ridge, or rim (lip), for strength or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc. The term "flange" is also used for a kind of tool used to form flanges. Pipes with flanges can be assembled and disassembled easily.