Marks USA MAR175RA 175RA IC Entry Lever Lockset — Grade 2 Survivor Series, American Lever, IC Less Core

Marks USA 175RA IC Entry Lever Lockset — Grade 2 Survivor Series, American Lever, IC Less Core

The Marks USA 175RA IC Entry Lever Lockset is a Grade 2 cylindrical lockset from the Survivor Series, engineered for commercial applications where durability and long-term performance are paramount. Featuring a unique stainless steel "clutch" mechanism and cast retractors on bronze roller bearings, this lockset exceeds BHMA Grade 1 specifications by 300% — surpassing 3.6 million cycles — while eliminating lever droop and dramatically reducing wear. Designed for 1-3/4" door thickness with 2-3/8" and 2-3/4" backset options, it carries a 3-hour fire rating and is ADA compliant, making it a reliable choice for high-traffic commercial entrances.

Key Features

• Exceptional Cycle Durability: Exceeds BHMA Grade 1 specifications by 300% with over 3.6 million cycles tested, ensuring long-term reliability in demanding high-traffic environments.
• Unique Clutch Mechanism: Stainless steel "clutch" disengages levers from the retractor and interior mechanisms when locked, allowing levers to swing freely without resistance — eliminating lever droop and reducing component wear.
• Bronze Roller Bearing Construction: Cast retractors on bronze roller bearings provide a strong, durable chassis foundation for millions of cycles of smooth operation.
• Flexible Backset Options: Accommodates both 2-3/8" and 2-3/4" backsets to suit a variety of door preparations and installation requirements.
• 3-Hour Fire Rated: Carries a 3-hour fire rating for use in fire-rated door assemblies where code compliance is required.
• ADA Compliant: American Lever design meets ADA accessibility requirements for commercial door hardware applications.
• Deadlocking Latch: Features a 1/2" throw deadlocking latch with a 1-1/8" x 2-1/4" front and ANSI strike (1-1/4" x 4-7/8", 1-1/4" Lip, Square Corner) for secure, code-compliant operation.
• Marks Lifetime Mechanical Warranty: Backed by Marks USA's lifetime mechanical warranty for added confidence and long-term value.

Certifications & Compliance

• ANSI/BHMA Certified — Exceeds Grade 1 Specifications by 300%
• UL Listed
• 3-Hour Fire Rated
• ADA Compliant
• ANSI Function F109 (Entrance/Office)
• Marks USA Lifetime Mechanical Warranty

Technical Specifications

• Latch Throw: 1/2"
• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• ANSI/BHMA: ANSI/BHMA, UL Listed
• Commercial/Residential: Commercial
• Function Description: Pushing and turning button on inside locks outside knob/lever requiring use of a key until button is manually unlocked.
• Front Size: 1-1/8" x 2-1/4"
• ADA Compliant: Yes
• Keyed: Yes
• ANSI Function: F109
• Product Function: Entrance/Office
• Door Thickness Range: 1-3/4"
• Latch Type Specification: Deadlocking
• Strike Classification: ANSI, 1-1/4" x 4-7/8", 1-1/4" Lip, Square Corner
• Product Category: Mechanical Locks
• Backset (Distance): 2-3/4"
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Marks USA 175RA?

Marks USA Survivor Series locksets are built around a patented stainless steel clutch mechanism and bronze roller bearing chassis that together exceed BHMA Grade 1 cycle specifications by 300% — surpassing 3.6 million cycles — while virtually eliminating the lever droop and component fatigue common in standard cylindrical lever sets. Engineered for demanding commercial environments, the 175RA IC delivers professional-grade security, fire-rated performance, and ADA compliance in a lower-maintenance, longer-lasting package.