|Manufacturer||LCN Door Closer|
The LCN 159 Arm Screw is used on all of the LCN Closers to hold the arm on the Spindle of the Cylinder. This screw goes by the number 4040-159, 4110-159, 4020-159, 1260-159, 1260-159, 4040-159 and 4040SE-159. This is the screw that holds the arm on to the Door Closer Spindle (Shaft). The screw has a 3/4" diameter head, 1/2" high with a 1/4" diameter shaft with 20 threads per inch (1/4-20 screw).