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BEST KD Series Cylindrical/Tubular Equipment
Best Door Lock Jig
Special accessory jig aids in aligning 5/16" holes for through bolt mounting of 9K cylindrical locks. Simply install latch first, then insert jig in 2-1/8" bored hole, align with door edge and drill with 5/16" bit.
Manufacturer Resources
Product Specs
- Minimum Purchase:
- 3 units
- 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
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.