Adams Rite® Expanding Header Bolt Kit

• Expanding top bolt
• Inactive door locking point

CRL Adams Rite® 4085 Header Bolt (SKU: AR4085) — engineered to add a secure top-of-door locking point for the inactive leaf of a pair of doors when used with the DL2110B or MS18533 long‑throw deadlock. The bolt expands with a scissors-style action when triggered by the pivoted MS bolt, centering itself in the strike as it rises for reliable engagement.

Fits these door height to cylinder height combinations:

• Door 84" (2.13 m) or less — Cylinder 32" to 53" (813 to 1,346 mm)
• Door 85" to 90" (2.16 to 2.29 m) — Cylinder 38" to 59" (965 to 1,499 mm)
• Door 91" to 96" (2.31 to 2.44 m) — Cylinder 44" to 64" (1,120 to 1,630 mm)

Order the Adams Rite 4085 header bolt (SKU: AR4085) to add a dependable top-of-door locking solution to your inactive door — contact sales or add to cart to purchase.