CK Series
Heavy Duty Cylindrical Knobs
ANSI/BHMA Grade 1
Features
- UL 3-hour fire rated 1/2" throw deadlatch, completely reversible for flat and beveled door. Stainless steel latch bolt and faceplate
- High precision, pick resistant 6 pin solid brass cylinder that is interchangeable with leading manufacturer cylinders. Turn key one-quarter turn to remove, replace cylinder. Can be construction or master keyed as required
- Cylinder knob removable for replacement or rekeying
- Cylindrical body provides greater strength and durability; two side spindles supporting mechanism eliminates knob wobble
- Threaded roses to hold lock firmly in place
- Concealed mounting screws
- Push in and turn button function
- Coil compression springs for strength and durability
- 3" diameter rose and mechanism adjustment for various door thicknesses
Specifications
Door Thickness: Standard 1-3/8” (35mm) ~2” (51mm)
Door Prep: Crossbore 2-1/8” (54mm), Edgebore 1” (25mm), Latch face 2-1/4” (57mm) x 1-1/8” (28.6mm)
Backset: 2-3/4” (70mm) standard. 2-3/8” (60mm) and 5” (127mm) optional
Cylinder: Solid brass, 6-pin anti-pick. Two (2) keys per lock, Schlage C keyway, keyed differently. Other keyways and keying services available
Handing: Non-handed
Rose: 3-9/16” (90mm) diameter brass rose with concealed screws. Threaded interior and exterior roses. Removable thru bolt
Latchbolt: 1/2” (12.7mm) throw, stainless steel 3 hour fire-rated latchbolt. Reversible for flat and beveled doors
Faceplate: 2-1/4” (57mm) x 1-1/8” (28.6mm). Square corner standard with stainless steel or brass faceplate
Strike: ANSI curved lip strike 4-7/8"(124mm) x 1-1/4" (32mm) x 1-1/4" (32mm) lip to center standard. Full lip strike or T strike available
Compliance
- ANSI A156.2 Grade 1, UL 10C and UBC 7.2 for positive pressure
- ANSI A117.1 ADA Barrier-free Accessibility
- C-UBC California Uniform Builders Code-2001
- NFPA-80 National Fire Protection-1999
- NFPA-101National Fire Protection-Life Safety-2000
Functions
Keyed Locks
10 (ANSI: F75)
Passage Latch
- Inside and outside levers are always unlocked
25 (ANSI: F111) Exit/Communicating Lock
- Inside lever always unlocked
- Blank plate outside
- Inside lever always free for emergency exit
40 (ANSI: F76)
Bath/Bedroom Privacy Lock
- Outside lever locked by push button inside
- Outside lever unlocked by emergency release outside or rotating inside lever
- If privacy pin is engaged while door is open, closing door disengages the pin and unlocks outer lever
- Inside lever is always free to provide emergency exit
17
Single Dummy Trim
- Single dummy trim for one side of door only
Keyed Locks
50 (ANSI: F82)
Entrance/Office Lock
- Push button locks outside lever until unlocked by key, releasing the button, or turning inside lever
- Key outside releases push button, unlocking outside lever
- Inside lever always free for emergency exit
75 (ANSI: F110)
Intruder Classroom Lock
- Outside lever locked or unlocked by key from either side
- When unlocked, lockset works as passage set
- When lock is engaged, key required from either outside or inside to unlock lockset
- The inside lever always unlocked for emergency exit
53 (ANSI: F109)
Entrance Lock
- Push and turn inside button to lock outside lever
- Until button is reset, key required to unlock outside lever
- Pushing button without turning it locks outside lever until key is used or inside lever is turned
- Inside lever always free for emergency exit
80 (ANSI: F86)
Storeroom Lock
- Outside lever is unlocked only while key is turned
- Inside lever is always free for emergency exit
70 (ANSI: F84)
Classroom Lock
- Outside lever locked or unlocked by key
- Unlocked, lockset works as passage set
- Locked, key required from outside to unlock lockset
- Inside lever always unlocked for emergency exit
66 (ANSI: F91)
Store Door Lock
- Key from either inside or outside locks or unlocks both levers
- When unlocked, latch bolt operates by lever from either side
82 (ANSI: F87)
Institution Lock
- Both levers are always inoperable
- Entrance by key from either side
Lever Designs
Lever Options
31 (Knob) Special Order
Latches and Strike
Dead Latches and Spring Latches
1-1/8" Faceplate
LSL06N
2-3/8" Spring Latch
LSL06K
2-3/8" Dead Latch
LSL07N
2-3/4" Spring Latch
LSL07K
2-3/4" Dead Latch
LSR-ASA
ASA Strike
(ANSI Standard)
1-1/4” x 4-7/8”
Finishes
Standard
26D Satin Chrome
10B Oil Rubbed Bronze
CeraMax
C19G Graphite Black
C19 CeraMax Flat Black
CDB Dark Bronze
CGY Stormy Grey
Not all finishes are standard with each flush pull. Custom finishes including CeraMax are available with MOQ and extended lead times.