Cylindrical Lockset 

CK4500 Series Grade-1 heavy duty cylindrical Knobsets

MAAX CK4500 Series Grade-1 heavy duty cylindrical knobset provides exceptional security, enhanced aesthetic and rugged dependability. The CK4500 Series is ideal for demanding high use commercial, industrial and institutional applications including schools, hospitals, hotels, offices and retail complexes. MAAX CK4500 Series is your right choice for its quite operation, high quality and easy installation. 

  • Heavy duty for commercial, industrial, and institutional applications

  • Non-handed installation

  • Concealed Thru-Bolts (removable) for proper alignment and easy installation

  • Concealed mounting screws

  • Adjustable mounting plate

  • A wide variety of functions and the most popular finishes 

  • UL/cUL listed for A label – 3 hours fire rating

  • Meets UL 10C positive pressure requirements

  • Conforms to ANSI/BHMA A156.2 standard, Series 4000, Grade-1 

Handing:

  • Non-handed, field reversible installation

Door Thickness:

  • 1-3/8” (35 mm) to 2” (51.4 mm) – standard

Standard Door Prep:

  • 2-1/8” (54 mm) diameter (bore)
  • 1” (25.4 mm) latch hole diameter (cross bore)

Backset:

  • 2-3/4” (70 mm) – standard
  • 2-3/8” (60.3 mm), 3-3/4” (95.2 mm), 5” (127 mm) – optional

Latchbolt:

  • 1/2” (12.7 mm) throw, stainless steel – standard
  • 3/4” (19 mm) throw anti friction – optional
  • Auxiliary deadlocking on keyed functions to prevent manipulation when door is closed

Faceplate:

  • 1-1/8” (29 mm) X 2-1/4” (57 mm), square corner – standard
  • 1” (25.4 mm) X 2-1/4” (57 mm), square corner – optional

Chassis:

  • Heavy gauge steel chassis, zinc dichromated for corrosion resistance
  • Thru-Bolt mounting (removable) for proper alignment and easy installation

Cylinder and Keyway:

  • Conventional 6-pin solid brass, Schlage “C” keyway, keyed different – standard
  • Other keying options available from factory
  • Small format interchangeable core (SFIC), BEST “F” keyway, keyed different – optional
  • Other SFIC keying options including 6 & 7-pin cores and other brands keyways

Keys:

  • Two brass keys per lock

Keying:

  • Can be master keyed (MK) and grand master keyed (GMK)

Strike:

  • ASA strike 1-1/4” (31.4 mm) X 4-7/8” (123.5 mm) X 3/32” (2.4 mm) – standard
  • T-strike 1-1/8” (28.2 mm) X 2-3/4” (69.5 mm) X 5/64” (2.0 mm) – optional

Exposed Trim:

  • Knob: Stainless steel or wrought brass
  • Rose: 2-15/16” (75 mm) diameter. Stainless steel or wrought brass

Rose Style:

  • Rose (A) – standard
  • Rose (B) – optional

Knob Style:

  • Bala (BL)
  • See Trims for details

Fasteners:

  • Thru-bolt mounted trim
  • No exposed screws

Functions:

  • A variety of functions including, but not limited to, Passage, Dummy, Office/Entry, Classroom, Storeroom, Institution and Privacy
  • See Functions for detailed list

Finishes:

  • US3 (605) Bright brass clear coated
  • US10B (613) Dark satin bronze, clear coated
  • US32 (629) Bright stainless steel
  • US32D (630) Satin stainless steel
  • Other finishes available with longer lead time

Options:

  • Lead lining (Rose)

Warranty:

  • Limited 10 years on hardware components

 

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