4016 Header Bolt

Description: Security for pairs of doors with single key turning is possible with the 4016 Header Bolt. The two-point lock easily secures the entire double door entrance when working in conjunction with an MS® Deadlock.

Function: Adding the 4016 Header Bolt and 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 extending the stainless steel hexbolts top and bottom and pivoting the massive MS® bolt into the mating stile, the three-point lock secures the entire double door entrance. The 4016 Header Bolt can be added to any basic MS1850S, MS1850SN, MS1950 or for two-points top and bottom use with 1870/1870HM Cylinder-Operated Flushbolt. Not applicable to 7/8” backset locks.

Operation: 360° turn of key or thumbturn in basic MS® deadlock throws counterbalanced bolt into opposite door and hexagonal bolt into header strike. Key can be removed only when bolts are in a positively locked or unlocked position.


Door Height: The standard version is designed for a 7’ door height with cylinder height as low as 35”. Added extension for up to a 10’ door available when ordering.

Header Bolt: Hexagonal 3/8” 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” diameter hole in metal frame is suitable or, for non-metal installation, 4005 strike is available.

Standard Package: Packed separately with bolt guide, screws, and attachment pin.  Shipping weight: 1 lb. MS® deadlock and 4015 Threshold Bolt available separately.


Related Products: When purchasing this product, please consider the following related products, available separately:

4015 Threshold Bolt, 4085 Header Bolt available separately.

Compatible Products: This product is compatible with the following products:

Deadlocks Flushbolts

Adams Rite Deadlocks including: MS1850S(-050), MS1850SN(-050), MS1950(-050)

Not applicable to 7/8” backset locks.

18701870HM Cylinder-Operated Flushbolt.

Not applicable to 7/8” backset locks.