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Best Access Systems 9K37RDS3

Heavy Duty Interchangeable Core Classroom Lever


Price: $322.00

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The Best Acces Systems 9K37RDS3 Classroom function heavy duty interchangeable core SFIC lockset allows immediate rekeying at the door simply by using the special control key to replace the core in seconds. Classroom function, Can only be locked/unlocked from outside with key. Inside lever always free for immediate exit. ANSI Grade 1 locks are designed for heavy duty applications. Best Lock is now part of Stanley Security Solutions. See more product information below

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Price: $322.00

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Choose Lever Style:

Choose IC Core:

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  • The Best Uncombinated 7 pin IC core 1C7A1-7 must be keyed by a locksmith. No keys, key blanks or control keys are included.
  • Arrow brand Small Format Keyed 6 pin IC core, keyed different with 2 keys and includes control key, control key required to install and remove IC core.

Choose Finish:


  • Heavy Duty grade 1 commercial classroom lever.
  • Accepts Best 7-pin interchangeable core, core not included.
  • Can only be locked/unlocked from outside with key.
  • Inside lever always free for immediate exit.
  • ADA compliant.
  • 2-3/4" backset.
  • Rose has a 3-1/2" diameter.
  • S3 ANSI strike -4-7/8” x 1-1/4” with curved lip.
  • Non handed. For doors 1-3/4" thick.
  • Through-bolt mounting studs increase torque resistance.

Available Options: Choose Options Above

  • Lever Style:

    • 14 Curved Return
    • 15 Contour Angle Return
    • 16 Curved
  • IC Core: info icon

    • 1C7A1-7 pin Best Uncombinated IC core with "A" keyway-ready to be keyed
    • 100CR/Contrl Ky-Keyed Arrow 6 Pin Small Format (Best type) Interchangeable Core
    • No IC Core Needed
  • Finish:

Tech Specs

  • UL- 9K series – Listed by Underwriters Laboratories for use on 3 Hr, A label fire doors for single or double swinging doors.
  • Listed by BHMA for A156.2, Series 4000, Grade 1.
  • In addition to standard door preparation (ANSI A115.2 for 1 3/4” doors), two additional holes are needed for through-bolts.
  • Through-bolts require two 5/16” diameter holes located at 12 o’clock and 6 o’clock positions.
  • Latch– 1/2” throw deadlocking latch, front: 2 1/4” x 1 1/8”. . (ANSI A115.2 for 1 3/4” doors).



Instructions & Templates

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Heavy Duty Interchangeable Core Classroom Lever

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