COLLAR BOLT

Collar bolts are special fastener that is broadly used to grip the bundle in the precise place for detachable bundle heat exchangers. It safeguards the channel elimination without interjecting or breaking the cover between the shell and tube sheet. A collar bolt is a threaded hardware fastener with an external male thread. These bolts are closely related to screws. Smart Engineering and Fasteners are among the best manufacturers and suppliers of a qualitative assortment of collar bolt fasteners. Collar bolts can be used in every section mainly on heat exchangers.

The purpose of using collar bolts is to avert turning when nuts are constricted. Fastened into a specific place by a nut and wrench, these bolts are used in the pressure vessel & heat exchanger products. A collar bolt also prevents vibrations and sound transmission through plates to the machine or surrounding area. Our specialists at SEF manufacture these bolts employing corrosion-resistant materials by applying sophisticated technologies. One can easily fit a collar bolt with mechanical tools owing to its dimensional constancy and faultless threading. Collar Bolts are available in some standard diameters, threading finishes, and shapes. Main structure of collar bolt is with a fully threaded portion on both side with a collar at the center. There will be wrenching flat on one end for tightening purpose.

ANSI, ASTM, DIN, ASME, BS, and all International Standards