Function:
Adding the 4016 Header Bolt to a pivoted bolt MS® deadlock provides Maximum Security for pairs of doors with the turn of a single key. Simultaneously extending the stainless steel hexbolts into the header and pivoting the massive MS® bolt into the mating door’s stile, the two-point locking solution secures the entire entrance. The 4016 Header Bolt can be added to any basic MS1850S, MS1850SN, MS1950 Series deadlock or for two-points top and bottom use with 1870/1870HM Cylinder-Operated Flushbolt. Not applicable to 7/8" backset locks.
Both the 4016 Header Bolt and the 4015 Threshold Bolt may be added to a pivoted bolt MS® deadlock to provide Maximum Security for pairs of doors by the turn of a single key. Simultaneously extending the stainless steel hexbolts into the header and threshold and pivoting the massive MS® bolt into the mating door’s stile, thereby providing a three-point locking solution.
Operation:  360° turn of key or thumbturn in basic MS® deadlock throws counterbalanced bolt into opposite door and hexagonal bolt into header. Key can be removed only when bolts are in a positively locked or unlocked position.

Features:
Door Height: Select 7' [2133.6 mm] or 10' [3048 mm] door height. The standard version is designed for 7’ [2133.6 mm] door height, with cylinder height as low as 35" [889 mm].
Header Bolt: Hexagonal 3/8" [9.5 mm] flat to flat. Made of stainless steel.
Adjustment: Exact adjustment of threaded rod to door height is locked in place by hexagonal header bolt.
Strike: For header bolt, a 1/2" [12.7 mm] diameter hole in metal frame is suitable. For non-metal installation, 4005 Strike is available separately.
Standard Package: Packed separately with bolt guide, screws, and attachment pin.
Shipping Weight: 1 lb [0.45 kg].