Shaft Collars

Machined to exact tolerances and balanced to reduce vibration, the solid die cast iron pulleys will make any power transfer system run smoother and quieter.

This Imperial Round Collar provides a reliable transition from a rectangular duct or a plenum to round pipe or insulated flexible duct. It features a crimped end for easy installation and attaches to a flat surface with tabs that create a tight lock. Built to last, the round starting collar is made from 30-gauge galvanized steel for rust resistance and durability. It is suitable for use in most heating, venting and air conditioning applications.

This Imperial Round Collar provides a reliable transition from a rectangular duct or a plenum to round pipe or insulated flexible duct. It features a crimped end for easy installation and attaches to a flat surface with tabs that create a tight lock. Built to last, the round starting collar is made from 30-gauge galvanized steel for rust resistance and durability. It is suitable for use in most heating, venting and air conditioning applications.

This Imperial Starting Collar provides a reliable transition from a rectangular duct or a plenum to round pipe or insulated flexible duct. It features a crimped end for easy installation and attaches to a flat surface with tabs that create a tight lock. Built to last, the round starting collar is made from 28-gauge galvanized steel for rust resistance and durability. It is suitable for use in most heating, venting and air conditioning applications.

The Screw Collar Loop is a decorative loop that secures a 1-1/16" center hole canopy. The screw collar loop is designed for canopies with a center lockup. The canopy attaches by nipple inserted through canopy center hole, secured with screw collar loop.