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.

Kawneer KW038080-40 LCN 5034 Closer Non Hold Open 36

Kawneer KW038080-40 LCN 5034 Closer Non Hold Open 36 Device 2 Thick Door Dark Bronze Finish Left-Handed

Write a Review

SKU:

KW038080-40

Ives WS406/407CVX US10 Wall Stop Convex with Drywall and Masonry Anchors Satin Bronze

$5.00

44 in stock

IVES

SKU: FS555 SP313

IVES FS555 SP313 Kick Down Door Holder 5 Sprayed Dark Bronze

MSRP:

$24.50

$16.00

58 in stock

LCN 3130-3034H Hold Open Track Roller 3130-3034H — Quick view

LCN

SKU: 3130-3034H

LCN 3130-3034H Hold Open Track Roller

MSRP:

$48.00

$43.00

61 in stock

McKinney

MSRP:

$2,075.00

$1,453.00

5 in stock

Kawneer KW038080-40 LCN 5034 Closer Non Hold Open 36 Device 2 Thick Door Dark Bronze Finish Left-Handed

Descriptions

Related Products

Ives WS406/407CVX US10 Wall Stop Convex with Drywall and Masonry Anchors Satin Bronze

IVES FS555 SP313 Kick Down Door Holder 5 Sprayed Dark Bronze

LCN 3130-3034H Hold Open Track Roller

McKinney TA2714 4-1/2X4-1/2 10B Full Mortise Hinge 5-Knuckle Standard Weight 4-1/2 by 4-1/2 Square Corner Dark Oxidized Satin Bronze Oil Rubbed Finish

LCN 5034-REG RH 695 Regular Arm Concealed Door Closer Size 4 Right Hand Dark Bronze

LCN 2035-STD RH 695 Grade 1 Standard Single Lever Overhead Concealed Closer Hydraulic Slide Track In Header Mounting Slide Track Arm 180 Deg Swing Size 5 Dark Bronze Painted Finish Right-Handed

LCN 2215-STD RH 689 Standard Track Door Closer Right Hand Aluminum

LCN 4414ME-REG/18G 24V LH 689 Regular Arm Door Closer with 18G Mounting Plate 24V Left Hand Aluminum

LCN 4040SE-STD 24V 696 Grade 1 Surface Door Closer Slide Track Arm Standard with Hold Open 110 Deg Hold Plastic Cover 24V Satin Brass Painted Finish Non-Handed

LCN 4314ME-SF 120V RH 689 Swing Free Arm Track Door Closer 120V Right Hand Aluminum