BEST KD303 9K Door Handle Dril...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$16.00
$11.80
BEST KD303 9K Throughbolt Drill Jig - KD Series Cylindrical/Tubular Equipment KD303

BEST KD303 9K Door Handle Drill Jig for Cylindrical Lock Installation

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Model: KD303

In Stock (leaves warehouse same day if ordered before 3pm ET)

$16.00
$11.80
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BEST KD303 9K Door Handle Drill Jig for Cylindrical Lock Installation

Professional Installation Accessory for 9K Cylindrical Locks

The BEST KD303 drill jig is a specialized installation accessory designed to ensure precise alignment of 5/16" through bolt holes for 9K cylindrical lock mounting. This professional-grade jig inserts into the standard 2-1/8" bored hole and aligns with the door edge to guide accurate drilling with a 5/16" bit, eliminating guesswork and ensuring proper lock installation every time.

Professional Features & Benefits

  • Precise Hole Alignment: Ensures accurate 5/16" through bolt hole placement for proper 9K cylindrical lock mounting and operation.
  • Standard Door Compatibility: Designed to fit standard 2-1/8" bored holes for universal application across door preparations.
  • Professional Installation Tool: Eliminates measurement errors and provides consistent results for locksmith and contractor installations.
  • 9K Series Compatibility: Specifically engineered for BEST 9K cylindrical lock installations with proper bolt alignment.
  • Durable Construction: Built to withstand repeated professional use in demanding installation environments.
  • Time-Saving Design: Streamlines the installation process by providing instant alignment reference for drilling operations.

Technical Specifications

  • Department: Door Hardware
  • PDF:D Series Service Equipment: https://zensupply.com/content/pdf/best/BA-0032_BEST_D-Series-Catalog-04-23.pdf
  • Parts and Accessories Type: Installation Accessories
  • Product Attribute: Parts and Accessories
  • Product Category: Door Trim and Accessories
  • Product Group: Parts and Accessories
  • Product Model: KD303
  • Product Subgroup: Parts and Accessories
  • Product Type: Cylindrical/Tubular Equipment
  • Series: KD Series
  • Subcategory: Parts and Accessories
  • Tags: lock drill jig, tubing drill jig

Installation & Operation

  1. Install the latch assembly in the door edge first according to manufacturer specifications for the 9K cylindrical lock.
  2. Insert the KD303 drill jig into the prepared 2-1/8" bored hole ensuring proper seating and alignment.
  3. Align the jig with the door edge and verify proper positioning for through bolt hole locations.
  4. Using a 5/16" drill bit, drill through the guided holes to create precise mounting points for the cylindrical lock through bolts.
  5. Remove the jig and proceed with 9K cylindrical lock installation per manufacturer instructions.
  6. Verify proper lock operation and alignment after installation is complete.

Professional Applications

  • Locksmith Installation Services
  • Commercial Door Hardware Installation
  • Institutional Facility Maintenance
  • Security System Integration Projects
  • Building Contractor Door Preparation
  • Property Management Lock Replacement
  • Educational Facility Hardware Upgrades

Why Choose BEST Quality?

BEST KD Series installation accessories deliver professional-grade precision with durable construction designed for repeated use in demanding commercial applications. This specialized drill jig ensures consistent, accurate installations that meet professional standards for 9K cylindrical lock mounting. Engineered for locksmith and contractor use where precise hole placement is critical for proper lock function and security.

Manufacturer Resources

D Series Service Equipment

Product Specs

Subcategory:
Parts and Accessories
Series:
KD Series
Product Group:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Cylindrical/Tubular Equipment
Parts and Accessories Type:
Installation Accessories
Product Attribute:
Parts and Accessories
Tags:
lock drill jig, tubing drill jig
Product Model:
KD303
Product Category:
Door Trim and Accessories
Department:
Door Hardware

BEST KD303 – Frequently Asked Questions

1) What door types is the KD303-9K drill jig compatible with?
The KD303-9K works with standard cylindrical and tubular locksets on wood and hollow metal doors. Verify door thickness falls within jig specifications before drilling.
2) Does this jig handle both left and right hand door preparations?
Yes, the KD303-9K is designed for universal handing. The jig positions correctly for both left-hand and right-hand door installations without adjustment.
3) What hole sizes does the KD303-9K drill?
This jig typically drills standard 2-1/8" face holes and 1" edge holes for cylindrical locksets. Always verify dimensions match your specific lockset requirements before drilling.
4) Can I use this jig with different backset measurements?
The KD303-9K accommodates standard backsets including 2-3/8" and 2-3/4". Check your lockset specifications and adjust the jig positioning accordingly before drilling.
5) What power tools work with this drill jig?
Use with standard electric drills or drill presses. Ensure your drill has sufficient power for the hole saw size. Variable speed control helps prevent tear-out on different door materials.
6) Does this jig meet commercial building code requirements?
The jig creates standard hole preparations that typically meet code requirements. Always verify local building codes and ADA compliance for your specific installation project.
7) What accessories are needed with the KD303-9K?
You'll need appropriate hole saws, sharp drill bits, and safety equipment. The jig may require specific templates or guides depending on your lockset manufacturer.
8) How do I ensure accurate hole placement with this jig?
Mark door centerline and height carefully before positioning. Clamp the jig securely and double-check measurements. Use the manufacturer's template for precise lockset alignment.
9) Can this jig be adjusted for different door thicknesses?
Most KD series jigs accommodate standard door thicknesses from 1-3/8" to 1-3/4". Check the jig specifications to confirm compatibility with your door thickness before use.
10) How do I maintain the KD303-9K drill jig?
Keep guide bushings clean and lubricated. Store in dry conditions to prevent rust. Inspect alignment guides regularly and replace worn components to maintain drilling accuracy.
11) Are there similar models in the KD series for different applications?
The KD series offers various jigs for different lockset types and door preparations. Browse our door hardware section for compatible models and alternatives.
How fast can I get the BEST KD303 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 KD303 come with a warranty?
Absolutely. The BEST KD303 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 KD303?
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 KD303 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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