Grade Three Cylindrical Locksets


  • Chassis can accommodate either Interchangeable core or Standard non-IC Cylinder/Plug.
  • Multiple Backset Choices — including 2 3/8”.
  • Non-handed.
  • Stainless steel hubs to withstand over 1,000,000 cycles.
  • Independent lever return torsion springs in the side hubs help resist lever sag.
  • Slabbed inside rose trim engages chassis to increase stability and durability of lockset.
  • 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.

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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

OAK HOW TO ORDER GUIDE – Grade 3 Lever Cylindrical Locksets

Series: Grade 3 Lever

Backset Function Keying Lever Type Rose Strike * Finish Keying
Adjustable 2-3/8″ & 2-3/4″ Privacy None Hard return Default Full Lip 626 Keyed Plug

* Manufacturers’ registered trade names used above are for identification and reference only