Automatic Flush Bolts No. 1840, 1842
Rockwood
No. 1840 (Automatic Top Bolt Only)
No. 1842 (Set)
Material: Brass.
Finishes: US3, US4, US10, US10B, US26.
Fastener:
No. 1842: 20 ea. #8 x 3⁄4" FH combo screws, 2 ea. #6 - 8 plastic anchors.
No. 1840: 10 ea. #8 x 3⁄4" FH combo screws. NOTE: No plastic anchor required for top only.
Features:
• For Fire Rated Metal Doors labeled A, B, C, D & E up to 4'w x 9'h.
• Non-handed.
• Low (5 lbs. maximum) closing force.
• Fully automatic; opening active door retracts top and bottom bolts.
• Override feature prevents damage to doors or bolts if bolt heads are blocked from entering strikes.
• Bolt head rods are adjustable up to 11⁄2".
• Thermal lock automatically locks the inactive door under high heat conditions due to fire.
See full product line in the Catalog.
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