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.

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Corbin Russwin 689F02 689 Door Closer Part Heavy-Duty Parallel Arm Aluminum Painted

Corbin Russwin 689F02 689 Door Closer Part Heavy-Duty Parallel Arm Aluminum Painted

Corbin Russwin

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SKU:: 689F02 689

MSRP:

$319.00

$255.00

You save $64.00

Corbin Russwin 689F02 689 Door Closer Part Heavy-Duty Parallel Arm Aluminum Painted 689F02 689

UPC:

MSRP:

$319.00

$255.00

You save $64.00

Descriptions

Door Closer Part, Heavy-Duty Parallel Arm, Aluminum Painted

Specifications

Brand:

Corbin Russwin

Series:

Corbin Russwin Door Closer Parts

Manufacturer:

Corbin Russwin

Commercial Residential:

Commercial

Finish:

689/US28

Finish Description:

Aluminum Painted

Sub-Type:

Door Closer Arms

Type:

Door Closers and Operators

Uid:

COR300689F02689

Url Title:

cor300689f02-689

Title:

689F02 689 Corbin Russwin Door Closers and Operator

Sub Type:

Door Closer Arms

Last Modified:

2025-01-14T21:31:37+00:00

Last Pricing:

2024-03-01T05:00:00+00:00

Msrp:

289.00

Avg Lead Time:

Finish Family:

Matte Silver

Popularity:

Vendor:

ASSA Abloy

Finish A:

689/US28

Corbin Russwin 689F02 689 Door Closer Part Heavy-Duty Parallel Arm Aluminum Painted

Corbin Russwin

Descriptions

Specifications

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