Header Bolt with 1-1/2 in. Backset for 7 Foot Doors

4015Threshold BoltSecurity for pairs of doors with single key turn is possible with the 4015 Threshold Bolt. The two-point locking solution secures the entire double door entrance when working in conjunction with an MS Deadlock. Adding the 4015 Threshold Bolt to a pivoted bolt MS deadlock allows Maximum Security for pairs of doors by the turn of a single key. Simultaneously dropping a stainless steel hexbolt into the threshold and pivoting the massive MS bolt into the mating door's stile the two-point lock secures the entire double door entrance. The 4015 threshold bolt is harnessed to the rear of the pivoted bolt. It may be added to any basic MS1850S or MS1850SN deadbolt. Operation - 360 Deg turn of key or thumbturn in basic MS deadlock throws counterbalanced bolt into opposite door and drop-bolt into threshold. Key can be removed only when bolts are in a positively locked or unlocked position.Features:Standard threshold bolt rod is sufficient for cylinder height up to 53 7/16'' 1357.3 mm. It is fully threaded and can be cut off for low cylinder heights.Exact adjustment of threaded rod to cylinder heights is locked in place by hexagonal threshold bolt.For drop-bolt, a 1/2'' 12.7 mm diameter hole in metal threshold is suitable. For non-metal installation, 4005 Strike is available separately.Hexagonal 3/8'' 9.5 mm flat to flat. Made of stainless steel.Packed separately with bolt guide, screws, and attachment pin.For ''universal'' application, specify 4015-18-IB with fully threaded rod for cut off to any cylinder heights below 53'' 1346.2 mm. Please contact factory for cylinder height greater than 53'' 1346.2 mm to maximum 60'' 1524mm or to specify rods pre-cut to specific cylinder heights available by special order for high volume applications.