Marks USA 110N Passage Cylindrical Knobset — Grade 2, Round Knob, Satin Stainless Steel

Marks USA 110N Passage Cylindrical Knobset — Grade 2, Round Knob, Satin Stainless Steel

The Marks USA 110N is a BHMA-certified Grade 2 cylindrical passage knobset engineered for commercial door applications requiring reliable, unimpeded access. Featuring a 2-3/8" backset and a 2-1/4" diameter round knob, this lockset is designed for doors with a thickness range of 1-5/8" to 1-7/8" and carries an ANSI-A156.2 Grade 2 Plus 3-Hour Fire Rating. The latch is retracted by the knobs at all times (ANSI Function F75), making it ideal for passage, hall, and closet applications where no keying is required. Finished in Satin Stainless Steel for a clean, professional appearance suited to demanding commercial environments.

Key Features

• Backset & Latch Dimensions: Standard 2-3/8" backset with Latch #1138 featuring a 1" x 2-1/4" front, 1/2" throw, and a stainless steel nose for smooth, durable operation.
• Round Knob Design: 2-1/4" diameter (110 Series) round knob provides a comfortable, professional grip suited for high-traffic commercial doors.
• Steel-Reinforced Roses: Adjustable roses on both sides with steel reinforcement and a 2-3/4" diameter for added strength and a finished appearance.
• Included Strike: Comes with Strike #1136, a 2-3/4" "T" Strike (T-Strike, 1-1/8" x 2-3/4", 1-1/8" lip, square corner) for secure latch engagement.
• Door Thickness Compatibility: Accommodates door thicknesses from 1-5/8" to 1-7/8" for versatile installation across a range of commercial door types.
• Fire-Rated Construction: Meets ANSI-A156.2 Grade 2 Plus 3-Hour Fire Rating, supporting compliance in fire-rated door assemblies.
• E4 Option Available: Optional E4 configuration provides a 2-3/4" backset with a 1-1/8" x 2-1/4" face for alternate door preparations.
• Satin Stainless Steel Finish: Durable Satin Stainless Steel finish delivers lasting corrosion resistance and a professional aesthetic for commercial interiors.

Certifications & Compliance

• BHMA Certified
• ANSI/BHMA A156.2 Grade 2
• 3-Hour Fire Rating (ANSI-A156.2 Grade 2 Plus)
• UL Listed

Technical Specifications

• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• Product Type: Cylindrical Locks
• Subcategory: Cylindrical Locks
• ANSI/BHMA: ANSI/BHMA, UL Listed
• Commercial/Residential: Commercial
• Function Description: Latch retracted by knobs/levers at all times
• Series: 110 Series
• Keyed: No
• ANSI Function: F75
• Product Attribute: Cylindrical Locks
• Product Function: Passage/Hall/Closet
• Strike Classification: T-Strike, 1-1/8" x 2-3/4", 1-1/8" Lip, Square Corner
• Product Category: Mechanical Locks
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings — Passage and interior corridor doors
• Educational Facilities — Classroom hallways and closet doors
• Healthcare Institutions — Interior passage doors requiring unimpeded access
• Retail Establishments — Stockroom and back-of-house passage doors
• Multi-Tenant Residential Properties — Common area and hallway doors
• Government and Municipal Buildings — Interior passage and utility doors
• Industrial and Warehouse Facilities — Interior access and storage room doors

Why Marks USA 110N?

Marks USA 110N cylindrical knobsets deliver professional-grade reliability with steel-reinforced roses, a stainless steel latch nose, and BHMA-certified construction rated to ANSI-A156.2 Grade 2 Plus 3-Hour Fire Rating. Engineered for demanding commercial applications, the 110N combines durable Satin Stainless Steel finish with a proven passage function design trusted across offices, healthcare facilities, educational institutions, and more.