Schlage D10S PLY 630 Passage Latch – Commercial Grade 1 The Schlage D10S PLY 630 Passage Latch is a top-tier commercial-grade door knob designed for areas requiring reliable, non-locking access. Its Plymouth-style knob, finished in satin stainless steel, offers both durability and a sleek appearance suitable for various commercial settings. Key Features Functionality: Passage function (ANSI F75) ensures both knobs remain unlocked at all times, facilitating free movement through the door. Design: Plymouth-style knob with a satin stainless steel finish (630/US32D) provides a modern and professional look. Durability: Meets or exceeds ANSI A156.2, Series 4000, Grade 1 standards, indicating superior strength and performance. Door Compatibility: Suitable for doors with a thickness ranging from 1?” to 2″ (35mm to 51mm). Backset Options: Standard 2¾” (70mm) backset, with 2?” (60mm) and 3¾” (95mm) options available upon request. Latch Bolt: Features a brass, ½” (12mm) throw latch bolt, with a ¾” (19mm) throw anti-friction latch available for fire-rated doors. Certifications: UL Listed for fire doors up to 3 hours; complies with ANSI/BHMA standards for Grade 1 locks. Specifications Faceplate: Constructed from brass, bronze, or stainless steel, measuring 1?” x 2¼” (29mm x 57mm) with a square corner, beveled design. Lock Chassis: Made of steel with a zinc dichromate plating to resist corrosion. Strike Plate: ANSI curved lip strike measuring 1¼” x 4?” (32mm x 124mm) with a 1-3/16″ (30mm) lip to center standard. Handing: Keyed functions of knob designs are field reversible, allowing for flexible installation. The Schlage D10S PLY 630 Passage Latch combines robust construction with a timeless design, making it an ideal choice for commercial applications where secure, non-locking access is essential.