Grade One Knob

Features (Heavy)

  • Multiple latch backset choices available.
  • Double keyed functions available.
  • Completely reversible handing.
  • Multiple finishes available.
  • Uniquely tailored masterkey systems backed by extensive industry experienced system design and support.
  • 5 Year Warranty.

Features (Extra Heavy)

  • Designed for high-traffic, vandal prone applications.
  • Chassis can accommodate either Interchangeable core or Standard non-IC plug.
  • Multiple latch backset choices available.
  • Multiple finishes available.
  • Non-handed.
  • Stainless steel hubs to withstand over 1,000,000 cycles of operation.
  • Independent torsion enhancing springs in hubs.
  • Slabbed outside rose trim engages chassis to increase stability and durability.
  • Inside and outside threaded rose liner and through bolt assembly for added strength.
  • Adjustable through bolts for ease of installation.
  • Uniquely tailored masterkey systems backed by over 400 years of experienced system sales, design and support.
  • 5 Year Warranty.

Request Product Guide 1CK/2CK TemplateCK Series Catalog

Door Thickness:1 3/8” to 2” wood or metal door

Backsets:2 3/8”, 2 3/4” (standard), 3 3/4”, 5” available

Latchbolts:1/2” throw, UL listed, self-adjusting faceplate

Strikes:ANSI, T-Strike and full lip strikes are available

Trim;Heavy wrought brass roses, wrought steel inside and outside reinforcing rose liners with concealed screws

Core:Interchangeable 6 & 7 pin compatible with all other small format interchangeable core housings

Cylinder Plug:Standard “C” keyway, compatible with Schlage (Optional)

Masterkeying:Tailored masterkey system set-up and design. Construction cores available.

Finishes:605(Bright Brass), 606(Satin Brass), 612(Satin Bronze), 613(Dark Bronze), 625(Bright Chrome) and 626(Satin Chrome)

Certification: UL listed “A” label (3 hour) single swing door ANSI A156.2, Series 4000 Grade 1