![]() It common for individual rivet manufacturers to use their own part numbers that include the rivet size as well as proprietary codes indicating material, rivet type, or other identifying information. You will find rivet trade sizes listed in our catalog in () for easy ordering. Therefore a size 45 rivet is 4/32" (1/8") diameter with a 5/16" maximum grip range. The second number refers to the maximum grip length in 16ths of an inch. The first number refers to the diameter of the rivet in 32nds of an inch. The most common way to specify a rivet size is by 'trade size'. Occasionally you may see rivets referred to by only the diameter and maximum grip. The same rivet would be notated in fractions as: This is a rivet with a 1/8 inch diameter body and a grip range of 0.251 inches to 0.312 inches. In our catalog you will see rivet sizes notated in the form: For details on grip ranges see Using Blind Rivets. It is very important to note that the maximum grip range is NOT the length of the rivet body. The grip range is the minimum and maximum grip the rivet is intended to be used with. Grip is the thickness of the material being riveted. Electric welding has increasingly displaced riveting as a method for connection of structural members such as columns and beams in building construction.Blind rivets are sized by a combination of two important dimensions. Often gas or electric welding has been substituted for riveting in the case of hollow ware and other sheet-metal products. Bifurcated rivets for belts and harnesses have thin heads, but the tails are split and opened like a paper fastener. The various shapes of rivet heads or tails include the countersunk head, which is beaten flush into a conical recess in the plate the cup, or round, head the pan head, which has sloping sides and a flat top the conical head, with sloped sides ending in a point and the thin flat head. Cold riveting is practicable for small rivets of copper, brass, aluminum, iron, or steel, but the larger iron and steel rivets have to be heated to secure rapid and easy closing. ![]() A head is formed on the plain end of the pin by hammering or by direct pressure. Rivet, headed pin or bolt used as a permanent fastening in metalwork for several decades it was indispensable in steel construction.
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