BEST 9K Series Grade 1 Storero...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,076.00
$597.38
BEST BEST 9K Storeroom (G) Lock - Grade 1 Cylindrical Keyed Lever Lock BES-9K-G-KEYED

BEST 9K Series Grade 1 Storeroom Cylindrical Lever Lock with 2-3/4" Backset

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Model: 9K37G14CSTK626
$1,076.00
$597.38
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,076.00
$597.38
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BEST 9K Series Grade 1 Storeroom Cylindrical Lever Lock with 2-3/4" Backset

Premium Commercial-Grade Security Solution

The BEST 9K Series cylindrical lever lock delivers professional-grade security with Grade 1 BHMA certification and heavy-duty construction. This storeroom function lock features a 2-3/4" backset, 9/16" latch throw, and accommodates door thicknesses from 1-3/4" to 2-1/4". Built with critical latch and chassis components of brass or corrosion-treated steel, the 9K series combines top-quality materials with exceptional craftsmanship for demanding commercial applications.

Professional Features & Benefits

  • Heavy-Duty Grade 1 Construction: BHMA A156.2 Series 4000 Grade 1 certification ensures maximum durability and security for high-traffic commercial applications.
  • Precision Door Compatibility: 2-3/4" standard backset with 2-1/16" diameter chassis fits 2-1/8" door holes, accommodating 1-3/4" to 2-1/4" door thickness.
  • Attack-Resistant Design: Rose locking pin and assembly design offers exceptional torque resistance, preventing twisting, bending, or breaking under attack while maintaining key access functionality.
  • Premium Materials: Critical components constructed of brass or corrosion-treated steel with zinc hubs featuring shrouded locking lugs for enhanced durability and torque resistance.
  • Smooth Operation: Hub-mounted torsion spring and strong retractor springs prevent lever sag while providing smooth, snappy operation throughout the lock’s service life.
  • Reinforced Security: Seamless one-piece hardened steel alloy outside lever sleeve provides additional reinforcement in the locking lug slot for maximum attack resistance.
  • Interchangeable Core System: Allows for quick re-keying and customized master keying to meet evolving security requirements without lock replacement.
  • 10-Year Manufacturer Warranty: Comprehensive warranty coverage provides long-term confidence and protection for commercial installations.

Technical Specifications

  • ANSI/BHMA: F91
  • Backset (Distance): 2-3/4"
  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Door Hand Direction: Non-Handed
  • Duty Level: Heavy Duty
  • Electronic: No
  • Function Description: Latch operated by: Rotating the inside lever/ outside lever when not locked by key. Turning the key in either the inside or the outside, locks or unlocks both sides.
  • Grade: Grade 1
  • Handle Type: Lever
  • Keyed: Yes
  • Keyed Function: Double Cylinder
  • Lock Function: Storeroom
  • Lock Type: Cylindrical
  • Product Attribute: Cylindrical Locks
  • Product Category: Mechanical Locks
  • Product Function: Storeroom
  • Product Group: Mechanical Locks
  • Product Model: G
  • Product Subgroup: Bored Locksets
  • Product Substrate: Corrosion-Treated Steel
  • Product Type: Leversets
  • Series: 9K Series
  • Standard Latch: 9/16" Throw
  • Standard Strike: 2-3/4 x 1-1/8" with curved lip and box
  • Subcategory: Cylindrical Locks
  • Warranty: 10 Year

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness from 1-3/4" to 2-1/4", 2-1/8" bore hole, and 2-3/4" backset dimensions.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately, including two additional 5/16" diameter through-bolt holes at 12 o’clock and 6 o’clock positions.
  3. Prepare door by drilling required holes per ANSI A115.2 standards and additional through-bolt holes as specified in manufacturer instructions.
  4. Install chassis, through-bolt mounting studs, and secure the lock assembly to door per manufacturer torque specifications for maximum attack resistance.
  5. Adjust lever operation and latch alignment for proper engagement with strike plate, ensuring smooth operation throughout the full range of motion.
  6. Test lock operation including key function from both sides, lever operation, and latch engagement. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Anti-Microbial Option

Available with UltraShield™ antimicrobial protected coating (finish 626AM) that inhibits the growth of bacteria and other microbes on hardware surfaces. Recommended for healthcare, elderly care, education, transportation, food service, and hospitality applications where product cleanliness is a high priority.

Why Choose BEST Quality?

BEST 9K Series cylindrical locks deliver professional-grade reliability with brass and corrosion-treated steel construction rated for Grade 1 heavy-duty commercial applications. Protected by multiple patents and backed by a comprehensive 10-year warranty, the 9K series features attack-resistant design elements including rose locking pins, hardened steel reinforcement, and through-bolt mounting for maximum torque resistance. Engineered for demanding commercial applications where dependable security performance is essential.

Product Specs

Series:
9K Series
Subcategory:
Cylindrical Locks
Grade:
Grade 1
Duty Level:
Heavy Duty
Handle Type:
Lever
Keyed Function:
Double Cylinder
Warranty:
10 Year
Standard Latch:
9/16" Throw
Standard Strike:
2-3/4 x 1-1/8" with curved lip and box
ANSI/BHMA:
F91
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed:
Yes
Electronic:
No
Commercial/Residential:
Commercial
Function Description:
Latch operated by: Rotating the inside lever/ outside lever when not locked by key. Turning the key in either the inside or the outside, locks or unlocks both sides.
Lock Type:
Cylindrical
Lock Function:
Storeroom
Product Attribute:
Cylindrical Locks
Product Model:
G
Product Function:
Storeroom
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks
Product Substrate:
Corrosion-Treated Steel
Backset (Distance):
2-3/4"
Department:
Door Hardware

BEST 9K37G14CSTK626 – Frequently Asked Questions

1) What is a storeroom function lever lock?
Storeroom function keeps the outside lever locked at all times. Entry requires a key from outside. Inside lever always free for exit. Common in storage rooms, utility closets, and restricted access areas.
2) What does Grade 1 mean for this lock?
Grade 1 is the highest ANSI rating for commercial locks. Tested for 800,000 cycles and higher torque resistance. Suitable for high traffic commercial applications and heavy-duty residential use.
3) What door thickness does this cylindrical lock fit?
Most cylindrical locks fit standard door thickness of 1-3/8" to 1-3/4". Some models adjust to 2" doors. Check manufacturer specifications for your specific door thickness before ordering.
4) How do I determine the correct handing for this lever?
Stand on the outside of the door where you insert the key. If hinges are on right, order right hand. If hinges are on left, order left hand. Most cylindrical levers are reversible during installation.
5) What backset does this lock require?
Standard backsets are 2-3/8" or 2-3/4". Backset is distance from door edge to center of bore hole. Most cylindrical locks adjust for both backsets. Verify your door preparation before installation.
6) Can this lock be keyed to match existing keys?
Yes, most cylindrical locks can be rekeyed by a locksmith to match existing keys. Some models include rekeyable cylinders. Contact a locksmith to confirm compatibility with your key system.
7) What hole size do I need to drill for installation?
Standard cylindrical locks require a 2-1/8" diameter hole through the door face. The edge bore is typically 1" diameter. Use manufacturer template for precise measurements and spacing.
8) Is this lock suitable for exterior doors?
Grade 1 locks are built for commercial duty including exterior applications. Check finish rating for weather resistance. Consider additional weatherproofing in harsh climates or high-exposure locations.
9) How do I adjust the latch if it doesn't align with the strike?
Check door alignment first. Adjust strike plate position if needed. Some latches have adjustable backset. File strike opening carefully for minor adjustments. Major misalignment may require door or frame adjustment.
10) What maintenance does this cylindrical lock need?
Lubricate moving parts annually with graphite or light machine oil. Clean exterior regularly to prevent finish damage. Check screws for tightness. Avoid over-lubrication which attracts dirt and debris.
11) Can I replace parts if the lock mechanism wears out?
Most commercial grade locks have replaceable cylinders and some internal components. Contact manufacturer for parts availability. Complete mechanism replacement may be more cost-effective than individual parts for older models.
How fast can I get the BEST 9K37G14CSTK626 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 9K37G14CSTK626 come with a warranty?
Absolutely. The BEST 9K37G14CSTK626 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 9K37G14CSTK626?
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 9K37G14CSTK626 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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