BEST 9K Series Grade 1 Cylindr...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$688.00
$385.55
BEST BEST 9K Passage (N) Lock - Grade 1 Cylindrical Non-Keyed Lever Lock BES-9K-N-NONKEYED

BEST 9K Series Grade 1 Cylindrical Passage Lock with Non-Keyed Lever Operation

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Model: 9K30N16CSTK626
$688.00
$385.55
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$688.00
$385.55
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BEST 9K Series Grade 1 Cylindrical Passage Lock with Non-Keyed Lever Operation

Premium Commercial-Grade Cylindrical Lock Solution

The BEST 9K Series cylindrical lock delivers professional-grade security and performance for demanding commercial applications. This Grade 1 passage lock features a 2-3/4" backset with 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 lock provides exceptional durability and attack resistance for high-traffic installations.

Professional Features & Benefits

  • Door Compatibility: Designed for 1-3/4" to 2-1/4" door thickness with 2-3/4" standard backset for versatile installation options.
  • Grade 1 Construction: BHMA Grade 1 rated with brass or corrosion-treated steel components for maximum durability in commercial applications.
  • Attack-Resistant Design: Rose locking pin and assembly design offers exceptional torque resistance, preventing twisting, bending, or breaking under attack.
  • Smooth Operation: Hub-mounted torsion spring and strong retractor springs prevent lever sag and provide smooth, snappy operation throughout the lock’s service life.
  • Reinforced Construction: Through-bolt mounting studs and heavy rose liner material provide increased torque resistance and attack protection.
  • Advanced Locking Mechanism: Slotted key release cam and locking lug assembly create maximum attack resistance while maintaining functionality even when damaged.
  • Hardened Steel Components: Outside lever sleeve features seamless one-piece construction with hardened steel alloy for additional reinforcement in the locking lug slot.
  • Manufacturer Warranty: 10 Year warranty coverage for added confidence and long-term protection.

Technical Specifications

  • ANSI/BHMA: F75
  • 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 or outside lever. Outside lever and inside lever are always unlocked and cannot be locked.
  • Grade: Grade 1
  • Handle Type: Lever
  • Keyed: No
  • Keyed Function: Non-Keyed
  • Lock Function: Passage
  • Lock Type: Cylindrical
  • PDF:9K Series Catalog: https://zensupply.com/content/pdf/best/BA-0003_BEST_9K-Catalog-03-24.pdf
  • PDF:Service Manual for 9K Series: https://zensupply.com/content/pdf/best/4418941408539
  • Product Attribute: Cylindrical Locks
  • Product Category: Mechanical Locks
  • Product Function: Passage/Hall/Closet
  • Product Group: Mechanical Locks
  • Product Model: N
  • 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 (1-3/4" to 2-1/4"), backset (2-3/4" standard), and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces, including two additional 5/16" diameter holes for through-bolts at 12 o’clock and 6 o’clock positions.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions, ensuring 2-1/16" diameter chassis hole fits properly in 2-1/8" door preparation.
  4. Install all mounting hardware including through-bolt mounting studs and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion, verifying 9/16" latch throw engagement.
  6. Test device operation to verify proper function and make final adjustments as needed. 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

The 9K Series is available with UltraShield antimicrobial protected coating (finish 626AM) that inhibits the growth of bacteria and other microbes on the hardware surface. This option is 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 heavy-duty commercial applications. The 10 Year warranty coverage and Grade 1 BHMA certification demonstrate BEST’s commitment to quality and performance. Engineered for demanding commercial applications where dependable performance and attack resistance are essential.

Product Specs

Series:
9K Series
Grade:
Grade 1
Duty Level:
Heavy Duty
Handle Type:
Lever
Keyed Function:
Non-Keyed
Warranty:
10 Year
Standard Latch:
9/16" Throw
Standard Strike:
2-3/4" x 1-1/8" with curved lip and box
ANSI/BHMA:
F75
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Subcategory:
Cylindrical Locks
Keyed:
No
Electronic:
No
Commercial/Residential:
Commercial
Function Description:
Latch operated by rotating the inside or outside lever. Outside lever and inside lever are always unlocked and cannot be locked.
Lock Type:
Cylindrical
Lock Function:
Passage
Product Attribute:
Cylindrical Locks
Product Model:
N
Product Function:
Passage/Hall/Closet
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks
Product Substrate:
Corrosion-Treated Steel
Backset (Distance):
2-3/4"
Department:
Door Hardware

BEST 9K30N16CSTK626 – Frequently Asked Questions

1) What is a passage function lever lock and where is it used?
A passage function lever lock allows free operation of both levers without requiring a key or locking mechanism. It's commonly used for hallways, closets, and interior doors where privacy or security locking isn't needed but lever operation is preferred over knobs.
2) What does Grade 1 certification mean for cylindrical lever locks?
Grade 1 is the highest ANSI/BHMA rating for cylindrical locks. It requires 800,000 cycle testing, 300 lbf applied force resistance, and meets commercial heavy-duty specifications. Grade 1 locks provide maximum durability for high-traffic applications.
3) What door thicknesses does this cylindrical lever lock accommodate?
Most Grade 1 cylindrical lever locks accommodate standard door thicknesses from 1-3/8" to 1-3/4". Some models adjust to 2" thick doors. Always verify compatibility with your specific door thickness and check manufacturer specifications for exact ranges.
4) Is this lever lock handed or universal for installation?
Most cylindrical passage lever locks are non-handed and can be installed on right-hand or left-hand doors. The lever returns to horizontal position and operates freely from both sides regardless of door swing direction.
5) What backset does this lock require and is it adjustable?
Standard cylindrical locks typically use 2-3/8" backset, with many models offering adjustable backset to accommodate 2-3/4" spacing. Check the specific model specifications and ensure your door preparation matches the required backset measurement.
6) What finish options are available for Grade 1 lever locks?
Commercial grade lever locks commonly come in satin chrome, polished chrome, satin stainless steel, oil-rubbed bronze, and brass finishes. Grade 1 locks feature durable finish coatings that resist wear and corrosion in high-use environments.
7) Can this passage lock be converted to other functions later?
Passage function locks cannot typically be converted to keyed or privacy functions. The internal mechanism is specifically designed for free passage operation. If locking capability is needed, select a different function from the same lock series.
8) What hole preparation is needed for cylindrical lever lock installation?
Standard preparation requires a 2-1/8" diameter hole through the door face and 1" diameter hole in the door edge for the latch. Most locks include paper templates for precise hole placement. Use proper hole saws for clean cuts.
9) How do I adjust lever spring tension if it becomes loose?
Lever spring tension is typically factory-set and not field-adjustable on most cylindrical locks. If levers don't return to horizontal position properly, check for worn springs or damaged internal components that may require lock replacement or professional service.
10) What maintenance does a Grade 1 passage lever lock require?
Regular cleaning with mild soap and water maintains finish appearance. Periodically lubricate the latch mechanism with graphite or light machine oil. Avoid petroleum-based lubricants. Check mounting screws annually in high-traffic applications.
11) Are there ADA compliant options in Grade 1 cylindrical lever locks?
Yes, most lever-style locks meet ADA requirements when properly installed. Levers must operate with 5 lbf maximum force and return to within 1.5" of the door face. Verify specific model ADA compliance and mounting height requirements.
How fast can I get the BEST 9K30N16CSTK626 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 9K30N16CSTK626 come with a warranty?
Absolutely. The BEST 9K30N16CSTK626 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 9K30N16CSTK626?
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 9K30N16CSTK626 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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