Cal-Royal SL5 Grade 2 Backset ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$25.18
Cal-Royal Cal-Royal SL5 Grade 2 Backset Adapter Tube SL5

Cal-Royal SL5 Grade 2 Backset Adapter Tube for Medium Duty Overhead Door Holders

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Model: SL5

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

$25.18
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Cal-Royal SL5 Grade 2 Backset Adapter Tube

The Cal-Royal SL5 is a Grade 2 backset adapter tube engineered as a compatible accessory component for medium duty overhead door holders, including the Size 4 hold-open unit designed for opening sizes 33-1/16" to 39". This adapter tube is built to integrate seamlessly with commercial overhead door holder assemblies, supporting a 5" backset distance for accurate hardware alignment. Constructed for commercial door hardware applications, the SL5 helps ensure proper fit and function within compatible overhead door holder systems.

Key Features

  • Backset Distance: Engineered with a 5" backset for precise alignment within compatible overhead door holder hardware.
  • Compatible Application: Designed to pair with medium duty overhead door holders sized for openings from 33-1/16" to 39", including Size 4 hold-open units.
  • Grade 2 Construction: Built to Grade 2 standards for reliable performance in commercial door hardware installations.
  • Commercial-Grade Component: Classified as a Lock Part accessory within the Door Hardware department, suited for commercial applications.
  • Adapter Tube Function: Serves as a connecting component that helps extend or adjust hold-open door holder assemblies for accurate installation.

Technical Specifications

  • Product Group: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Lock Part
  • Subcategory: Parts and Accessories
  • Commercial/Residential: Commercial
  • Backset (Distance): 5
  • Product Category: Parts and Accessories
  • Department: Door Hardware

Typical Applications

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

Why Cal-Royal SL5?

Cal-Royal SL5 backset adapter components are built to Grade 2 commercial standards, providing dependable compatibility for medium duty overhead door holder installations. Designed as a precision accessory within the Door Hardware category, this adapter tube supports accurate hardware alignment for professional commercial door applications.

Product Specs

Product Group:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Lock Part
Subcategory:
Parts and Accessories
Commercial/Residential:
Commercial
Backset (Distance):
5
Product Category:
Parts and Accessories
Department:
Door Hardware

Cal-Royal SL5 – Frequently Asked Questions

1) What does the Cal-Royal SL5 adapter tube actually do on an overhead door holder?
The SL5 is a backset adapter tube, not a holder on its own. It connects into a medium duty overhead door holder assembly to extend or adjust it so the arm and the jamb bracket line up correctly on the opening. If your holder is sized right but the geometry of the frame puts the mounting point out of reach, the adapter tube is the piece that bridges that gap. You still need the overhead holder unit itself.
2) Which size overhead door holder does the Cal-Royal SL5 work with?
Medium duty overhead door holders, including the Size 4 hold-open unit covering opening sizes from 33-1/16 inches to 39 inches. If your opening falls outside that range you are on a different holder size, and this adapter is not the matching accessory for it.
3) I manage a building with overhead door holders on several doors. Will one SL5 work across all of them?
Only where the openings and hardware match. The SL5 is keyed to medium duty holders in the 33-1/16 inch to 39 inch opening range and to a 5 inch backset. Doors in that range with the same frame reveal condition can standardize on it. Wider or narrower openings use a different holder size, and a different jamb setback needs a different backset adapter.
4) What backset does the Cal-Royal SL5 adapter tube provide?
Five inches. That is the backset distance the SL5 is built around, so it suits a holder installation where the mounting point sits 5 inches off the reference face. Pick the adapter to match the backset your frame condition actually needs, because the tube is a fixed dimension part and will not adjust to a different one.
5) Is the SL5 adapter tube rated for commercial use or is it a residential part?
Commercial. The SL5 is a Grade 2 component intended for commercial door hardware work, which is why it shows up on office buildings, schools, healthcare, retail, warehouses, multi-tenant residential, and municipal buildings. Grade 2 is the medium duty tier, matching the medium duty holders it pairs with.
6) Can I buy the Cal-Royal SL5 on its own as a replacement part?
Yes. The SL5 is sold as a single model, an accessory piece rather than a complete assembly, so you can order it alone to repair or re-fit an existing medium duty overhead holder installation. It does not include the holder arm, channel, or hold-open mechanism.
7) Where can I find Cal-Royal's finish care instructions for door hardware?
Cal-Royal publishes a finish maintenance and care document covering how to clean and protect hardware finishes, which matters on holders and adapter tubes installed in high-traffic commercial corridors where cleaning chemicals get used daily. It is available alongside the full Cal-Royal product catalog.
How fast can I get the Cal-Royal SL5 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 Cal-Royal SL5 come with a warranty?
Absolutely. The Cal-Royal SL5 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 Cal-Royal SL5?
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 Cal-Royal SL5 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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