This screw goes by the number 4040-159, 4110-159, 4020-159, 1260-159, 1260-159, 4040-159 and 4040SE-159. 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).
This package is recommended for interior use only! Actuator package, 1-1/2" x 4-3/4", includes: 2 8310-818T Wireless Jamb Mount Actuator 2 8310-819S Surface Mount Boxes 2 8310-844J Jamb Mount Transmitter 1 8310-865 Receiver
Complete replacement LCN Sentronic Track. Replaces all Sentronic tracks for the 3130SE, 4010SE, 4110SE and 4040SE Closers. Track includes the roller, 4040SE-3034 and new mounting screws. The replacement track measures 21-3/4" on center for the mounting screws, which may be different then the 3130SE, 4010SE, 4110SE and older 4040SE Tracks. Specify voltage, and color when ordering.