These cast iron collars are used when there is sheet metal or perforated backing, they actually cover three sides of the square material.
Half face is a commonly used term in the industry for these collars.
These collars cover 3 of the 4 sides of the square material.
Size | Height | Width | Weight (lbs) | |||||
1/2" | 2" | 1 1/2" | .19 | |||||
5/8" | 1 7/8" | 1 5/8" | .20 | |||||
3/4" | 1 7/8" | 1 7/8" | .25 | |||||
1" | 2 1/2" | 2 1/2" | .56 |
Cast Iron Half Face Collar SP251 - Various Sizes