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Best Access Systems 9K37RDS3

Heavy Duty Interchangeable Core Classroom Lever

Quick Product Details

  • Interchangeable Core Lever
  • Heavy Duty
  • Classroom Function

Price: $338.00 /each

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This Best 9K37RDS3 classroom function, heavy duty, interchangeable core lever lock is perfect for high traffic, demanding applications. It is UL listed for 3 hour A label single swinging fire doors that are 4' x 8'. Supplied with S3 ANSI strike 4-7/8" x 1-1/4" with a curved lip and box.

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Price: $338.00

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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, is keyed different with 2 keys and includes a control key which is required to install and remove IC core.

Choose Finish:


Quality and Safety:
  • ADA compliant
  • UL Listed for 3-hour A label single swinging doors (4' x 8') fire doors
  • Listed ANSI/BHMA A156.2 Series 4000, Grade 1

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:

Product at A Glance

  • Accepts Best 7-pin interchangeable cores, core is not included
  • In addition to standard door preparation (ANSI A115.2 for 1-3/4” doors), through-bolts require two 5/16” diameter holes located at 12 o’clock and 6 o’clock positions
  • Through-bolt mounting studs increase torque resistance
Style Interchangeable Core Lever
Grade Heavy duty
Function Classroom Function:
- Can be locked/unlocked only by rotating the key in the outside lever
- Inside lever is always free
Backset 2-3/4"
Handing Non-handed
Rose 3-1/2" diameter
Door Thickness 1-3/4"
Latch - deadlocking latch
- 1/2" throw
- front: 2-1/4"x 1-1/8"
- (ANSI A115.2 for 1-3/4" doors)
Strike S3 ANSI strike 4-7/8" x 1-1/4" with curved lip

This 9K37RDS3 is a classroom function, heavy duty lever lock that accepts interchangeable cores. It is for doors that have a thickness of 1-3/4” and a backset of 2-3/4” and are right or left handed. It is available with multiple finish, lever style and interchangeable core options making this lock versatile and flexible for mounting in a variety of applications.



Instructions & Templates

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Heavy Duty Interchangeable Core Classroom Lever

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