What is the best commercial mortise lock?

The Schlage L9000 is the most widely specified. The Sargent 8200 has the highest cycle count at 14M+. The Corbin Russwin ML2000 is heavily specified on government projects. All are ANSI/BHMA Grade 1.

What is the difference between Grade 1 and Grade 2 locks?

Grade 1 locks are tested to 1,000,000+ cycles with higher impact resistance. Grade 2 are rated for 250,000 cycles. Grade 1 is standard for commercial exterior doors and high-traffic areas.

What is the best door lock for school classrooms?

The Schlage ND78 classroom security lock allows locking from inside without opening the door, meets ADA requirements, and maintains fire egress compliance.

What is the difference between Schlage ND and ALX?

ND is Grade 1 with 1M+ cycles and electrified options. ALX is Grade 2 with 250K cycles and modular chassis at lower cost. They share the same lever designs.

What is the most common commercial door closer?

The LCN 4040XP is the most widely specified surface-mounted commercial door closer in the US, covering sizes 1-6 and all three mounting types.

What locks are used in hospitals?

Grade 1 mortise locks on high-traffic doors, cylindrical locks on patient rooms, electronic access with audit trails on pharmacy and restricted areas.

How much cheaper is wholesale vs retail door hardware?

Wholesale pricing on commercial door hardware is typically 20-40% below manufacturer list price. Project quotes for large orders can be even lower.

DormaKaba 1816 HJ RH 120V 689 Electromagnetic Surface Closer, Full Cover Size 1 to 6, Sprayed Aluminum Finish, Right-Handed

$1,297.00

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Brand: Dorma
SKU:: 1816HJ-RH-120V-689
Condition:: New

$1,297.00

Description
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DormaKaba

1816 HJ RH 120V 689

Electromagnetic Surface Closer, Top Jamb Push Side Mounting, Regular with 180 Deg. Swing, Adjustable Electric Hold Open, Adjustable Backcheck, Full Cover, 120VAC, Includes Transformer, Size 1 to 6, Sprayed Aluminum Finish, Right-Handed

Manufacturer	Dorma
Model	1816HJ-RH-120V-689
Application	Hold Open Push Side Top Jamb Mount
Size	Adjustable Size 1 Thru 6 Door Width
Mounting	Top Jamb Pull Side, Top Jamb Push Side
Hand	Right Hand - RH
Input Voltage	120 VAC 50/60 HZ - 125 mA
U.L. Listed	UL and CUL listed
ANSI/BHMA	ANSI/BHMA A156.15.
NYC MEA	MEA (New York City)
CA State Fire Marshal	California State Fire Marshall Approved (CSFM)
Warranty	25-year warranty
Weight	20.0000