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Adams Rite 1870HM335 Cylinder Op Flushbolt

Your Price: $97.65
Retail Price:$155.00
Your Savings:$57.35(37%)
Part Number


Adams Rite 1870HM335 Cylinder Op Flushbolt

Designed for greater key control, the 1870HM Cylinder-Operated Flushbolt prevents accidental locking of the inactive leaf of paired hollow metal doors. May be installed to lock at threshold or at header.


Designed for use instead of conventional flip-lever operated flushbolts, the 1870HM Cylinder-Operated Flushbolt gives building management key control of the inactive leaf of paired doors. Prevents casual locking of the inactive leaf by children or other unauthorized persons. Uses same basic over-center action mechanism as MS® pivoted bolt locks. Recommended for installation at both top and bottom of inactive door with MS1850SN Deadlock in active door for greatest security. May be installed to lock at threshold or at header.


360° turn of key throws or retracts the hex-section bolt. Key can be removed only when bolt is in a positively locked or unlocked position. Accepts any standard 1-5/32” mortise cylinder from either or both sides. Cylinder must have MS® dimensioned cam.

Adams Rite manufactures a series of flush bolts designed to secure the inoperative door in a set of French doors. Their series includes single point flush bolts that are designed for aluminum stile, hollow metal and wood doors. All single point flush bolts can be installed to operate in either the header or the threshold.

All Adams Rite flush bolts are cylinder operated so they offer more control over the locking than standard flip flush blots. Standard flush bolts can be operated by curious children or by vandals intending to return after business hours.

The two point flush bolt engages the door frame in the header and at the threshold for greater security. In addition it has a positive blocking device that makes it impossible to lock the active door unless the flush bolt has been secured. This prevents human error in locking only one door.

The auto-release model integrates the operation of the flush bolt with the lock of the operational door so that it locks and unlocks along with the operational door. It is designed to operate with any MS pivoting dead lock and is not intended as a standalone locking mechanism.

Hexagonal top and bottom bolts are 3/8” flat to flat stainless steel and require a 1/2" diameter strike hole.

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