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.

Securitron Vista VM1290DB Electromagnetic Lock Direct Retrofit For Locknetics 390+ w/ Bond Sensor & Door Position Switch

$280.00

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Brand: Securitron
SKU:: VM1290DB
Condition:: New

$280.00

Description
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Additional Information

Manufacturer	Securitron ASSA ABLOY
Model	VM1290DB
Application	The VM1290DB is designed as a direct retrofit for the Locknetics 390+ maglock without any additional frame degradation. As illustrated in the Vista Sales Sheet, all original mounting locations are identical. As long as the quality of the original mounting holes are maintained, no additional drilling is required.
Housing Dimensions	10-15/32" [266mm] x 2-27/32" [72mm] x 1-37/64" [40mm]
Door Type	Single Door
Voltage	Field Selectable 12/24 VDC
Power/Current Requirements	520mA at 12VDC, 260mA at 24VDC
Holding Force	1200 lbs. (540kg)
Operating Temperature	+32 to +110F [0 to +43C]
Mounting Type	Surface
U.L. Listed	UL Listed
Warranty	1 Year Warranty
Weight	9.0000