BEST 9K Entry Lock (AB) - Grad...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$983.00
$557.92

BEST 9K Entry Lock (AB) - Grade 1 Cylindrical Keyed Lever Lock

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Model: 9K37AB15CS3626
$983.00
$557.92
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$983.00
$557.92
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BEST 9K Entrance (AB) Lock - Grade 1 Cylindrical Keyed Lever Lock

The premium lock for quality, performance, and security.

Building on BEST’s legacy of innovation, the 9K series cylindrical lock combines top-quality materials and exceptional craftsmanship into a tough, dependable, long-lasting security solution. We designed the 9K series to be low maintenance, easy to install, durable, and secure. And our range of available styles and finishes ensures that the 9K delivers design aesthetics to match a wide variety of applications.

FEATURES

  1. For versatile applications, lever by knob trim variations are available.
  2. Rose locking pin and rose assembly design offers great torque resistance. It prevents the locking pin from twisting, bending, or breaking under attack.
  3. The innovative design of the slotted key release cam and locking lug assembly create maximum attack resistance. Even though damaged, the lock still allows key access. In addition, the lever is fully functional from the inside. The hub-mounted torsion spring and strong retractor springs help prevent lever sag and offer a smooth and snappy operation.
  4. Strong through-bolt mounting studs increase torque resistance. Heavy rose liner material is highly attack resistant.
  5. Strong retractor springs provide resistance to lever sag.
  6. Zinc hubs with a shrouded locking lug, guaranteeing higher quality and increased torque resistance.
  7. The outside lever sleeve is a seamless one piece construction made of a hardened steel alloy that provides additional reinforcement in
    the locking lug slot.
  8. Lost Motion feature available allowing 45º lever rotation in either direction without engaging retractor assembly.
  9. Interchangeable core allows for quick re-keying and customized masterkeying.


SPECIFICATIONS

ADA–Americans With Disabilities Act: 9K series – The design and operation of the BEST® cylindrical lock meets the intent of the
standard for ANSI A117.1 section 404.2.6
Builders Hardware Manufacturers Association: 9K series – Listed by BHMA for A156.2, Series 4000, Grade 1.
Underwriters Laboratories®: 9K series – Listed by Underwriters Laboratories for use on 3 Hr, A label for single or double swinging doors.
Florida Building Code and Miami-Dade County Code: 9K series – 9/16” latch throw – Listed by Florida Building Code and MiamiDade County at ± 75 PSF for single doors. 9K series – 3/4” latch throw – Listed by Florida Building Code and Miami Dade County at ± 80 PSF for single doors and ± 50 PSF for double doors. “WS” option must be ordered for the lock to include a “Miami-Dade County Product Control Approved” label for inspection purposes.
California State Fire Marshal: 9K series – Listed with California State Fire Marshal. 9K series 14 & 15 lever conforms with California Title 24.

Backset
– 2 3/4” standard, 3 3/4” and 5” available.

Chassis – Critical latch and chassis components are brass or corrosion-treated steel. 2 1/16” diameter to fit 2 1/8” hole in door (Conforms to ANSI A115.2). Lost Motion feature available as an option.
Door thickness – Available for 1 3/4” to 2 1/4” doors only. Spacers available for 1 3/8” doors.
Roses – C – 3” Convex, D – 3 1/2” Convex, K – 3” Convex-no ring, L – 3 1/2” Convex-no ring
Products protected by one or more of the following patents – 5,590,555 5,794,472 Other products patent pending.

Finishes:

  • 605 (US3) bright brass
  • 606 (US4) satin brass
  • 611 (US9) bright bronze
  • 612 (US10) satin bronze
  • 613 (US10B) oxidized satin bronze, oil rubbed
  • 618 (US14) bright nickel plated
  • 619 (US15) satin nickel plated
  • 622 (US19) flat black
  • 625 (US26) bright chromium plated
  • 626 (US26D) satin chromium plated
  • 690 dark bronze
  • 626AM - satin chrome plated with UltraShield™ antimicrobial protected coating. The BEST UltraShield™ finish inhibits the growth of bacteria and other microbes on the surface of the hardware.
    NOTE: BEST's UltraShield™ option is recommended for use on any hardware application where product cleanliness is a high priority. i.e;. Hospital/Healthcare, ElderlyCare, Education, Transportation, Food-Service, Hospitality.


Latch
– Solid brass 9/16” throw. Front 2 1/4” x 1 1/8” beveled.

Lever handles – Lever handles are a high-quality zinc alloy. Trim components are brass or bronze. Body is approximately 5/8” in diameter; Handle is approximately 4 3/4” long (from center-line of chassis). #14 and #15 levers conform to California Administrative Code Title 19 and Title 24. All three styles of levers conform to the Illinois Accessibility Standard.
Mounting – 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. A drill jig can be ordered to insure accuracy of the holes. (see KD303 page 5).
Projection on door – Approx. 2 3/4” when mounted on 1 3/4” door.
Strike – STK: Conforms to ANSI A115.2 (2 3/4” x 1 1/8” with curved lip & box). S3; Conforms to ANSI A115.2 for 1 3/4” doors (4 7/8” x 1 1/4” with curved lip). S3-7/8; Conforms to ANSI A115.2 for 1 /4” doors (4 7/8” x 1 7/8” flat)

RESOURCES & DOWNLOADS

9K Series Product Page
9K Series Sell Sheet
9K Series Intruder Function Sell Sheet
9K Series FAQs
9K Series Catalog
9K Cylindrical Adaptations Sell Sheet
9K Series Service Manual
9K Series Cylindrical Adaptations Catalog
9K Series Antimicrobial Protected Door Hardware Brochure
9K Series Agion® Antimicrobial Finish for Healthier Door Hardware

Manufacturer Resources

Product Specs

Series:
9K Series
Category:
Mechanical Locks
Subcategory:
Cylindrical Locks
Grade:
Grade 1
Duty Level:
Heavy Duty
Handle Type:
Lever
Keyed Function:
Single Cylinder
Warranty:
10 Year Limited
Lock Function Description:
Turn/push-button locking - pushing and turning button locks outside lever, requiring use of key until button is manually unlocked. Push-button locking, pushing button locks outside lever until unlocked by key or by turning inside lever.
Standard Latch:
9/16" Throw
Standard Strike:
2-3/4 x 1-1/8" with curved lip and box
Backset:
2-3/4"
ANSI/BHMA:
F109
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed:
Yes
Electronic:
No
Substrate:
Corrosion-Treated Steel
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Lock Function:
Storeroom
Product Attribute:
Cylindrical Locks
Tags:
9K37AB15DS3626
Product Model:
AB
Product Function:
Storeroom
Door Hand Direction:
Non-Handed

BEST 9K37AB15CS3626 – Frequently Asked Questions

1) What makes this a Grade 1 cylindrical lever lock?
Grade 1 represents the highest ANSI/BHMA commercial rating for lever locks. This Best 9K series lock meets rigorous cycle testing, impact resistance, and latch bolt strength requirements for heavy-duty commercial applications.
2) What door thickness and backset does this lock accommodate?
The Best 9K typically fits standard commercial door thicknesses from 1-3/4" to 2-1/4". Backset options include 2-3/4" and 2-3/8". Verify your specific door measurements against the manufacturer template before ordering.
3) How do I determine the correct handing for installation?
Stand on the side of the door where the hinges are not visible. If the door opens to your right, order right-hand. If it opens to your left, order left-hand. Lever locks require specific handing for proper lever operation.
4) What finish options are available for the Best 9K series?
Best typically offers satin chrome, bright chrome, satin brass, and oil-rubbed bronze finishes. Specific availability depends on the exact model configuration. Check the product specifications for your selected keying option.
5) Can this lock be keyed to match existing Best cylinders?
Yes, Best 9K series locks can be keyed alike or into master key systems. You'll need to specify your existing key code or provide a sample key. Construction keying options are also available for project phases.
6) Is this lock compatible with access control systems?
The Best 9K mechanical lever lock operates independently of electronic access control. For integration with card readers or keypads, consider Best's electrified lock options or electromagnetic locks from our access control category.
7) What's included with the complete lock set?
A complete Best 9K entrance lock includes both lever handles, cylinder, latch assembly, strike plate, and mounting hardware. Keys are included based on your keying specification. Installation template is provided with the lock.
8) What tools are needed for installation?
Standard installation requires a drill, hole saws (2-1/8" for lock body, 1" for cylinder), chisel, screwdriver, and measuring tools. Follow the provided template carefully for precise hole placement and strike alignment.
9) How do I adjust the latch bolt if needed?
The Best 9K latch assembly typically allows backset adjustment during installation. Some models feature field-adjustable latch bolts. Consult the installation instructions for your specific model's adjustment procedures.
10) What's the difference between entrance and office function locks?
Entrance function locks the outside lever when the inside thumbturn is activated. Office function locks both levers when the key turns the outside cylinder. Choose entrance function for most commercial entry doors.
11) Are replacement parts available for Best 9K locks?
Yes, Best manufactures replacement cylinders, lever handles, latch assemblies, and other components for the 9K series. Having the lock's model number and finish helps identify correct replacement parts.
12) Will this lock work in high-moisture environments?
Best 9K locks are designed for interior commercial use. For exterior or high-moisture applications, verify the specific model's environmental ratings and consider appropriate finishes and sealing methods during installation.
How fast can I get the BEST 9K37AB15CS3626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the BEST 9K37AB15CS3626 come with a warranty?
Absolutely. The BEST 9K37AB15CS3626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the BEST 9K37AB15CS3626?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the BEST 9K37AB15CS3626 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.

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