Kaba Ilco 4085 Series Header B...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$43.96
$43.74
Kaba Ilco 4085 Series Header Bolt with Nylon Strike

Kaba Ilco 4085 Series Header Bolt with Nylon Strike

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Model: HDB-4085

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

$43.96
$43.74
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Kaba Ilco 4085 Series Header Bolt with Nylon Strike

The Kaba Ilco 4085 Series Header Bolt with Nylon Strike provides a top of door, third locking point on the inactive leaf of a pair of doors. With actuation of the lock, the bolt extends into the header strike using a scissor like action, creating a secure engagement point above the door opening. The rod is constructed of zinc plated steel for long term durability, and a nylon strike is included, which is required for proper operation of the header bolt. Installed in the inactive leaf, this header bolt supplements the primary locking hardware to add an additional point of security at the top of the door. This header bolt is designed for commercial door trim and accessories applications where an additional point of locking is needed to help secure the inactive leaf of a pair of doors.

Key Features

  • Top of Door Locking Point: Installed in the inactive leaf to provide a third locking point at the door header for added security.
  • Scissor Like Action: With actuation of the lock, the bolt extends into the header strike using a scissor like action for smooth, reliable engagement.
  • Nylon Strike Included: A nylon strike is included with the header bolt and is required for proper operation.
  • Zinc Plated Steel Rod: The rod is constructed of zinc plated steel for long lasting, dependable performance.
  • Commercial Grade Application: Designed for use within commercial door trim and accessories installations.
  • Third Point of Security: Supplements primary locking hardware by adding a third locking point to help secure the door opening.
  • Pair of Doors Application: Intended for use on the inactive leaf of a pair of doors to maintain secure closure at the header.
  • Inactive Leaf Installation: Mounted on the inactive leaf of a pair of doors to supplement primary locking hardware.

Technical Specifications

  • Product Group: Door Trim and Accessories
  • Product Subgroup: Surface Bolts
  • Subcategory: Flush Bolts
  • Commercial/Residential: Commercial
  • Product Category: Door Trim and Accessories

Typical Applications

  • Commercial Office Buildings
  • Storefront Entrances
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Government and Municipal Buildings

Why Kaba Ilco 4085?

Kaba Ilco header bolt products deliver dependable performance with a zinc plated steel rod and an included nylon strike required for proper operation. Engineered for commercial door applications, the 4085 Series provides a secure, functional third locking point on the inactive leaf, helping to supplement primary locking hardware for a more secure pair of doors.

Product Specs

Product Group:
Door Trim and Accessories
Series:
4085 Series
Product Subgroup:
Surface Bolts
Product Type:
Header Bolt
Subcategory:
Flush Bolts
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Kaba Ilco HDB-4085 – Frequently Asked Questions

1) What does the Kaba Ilco 4085 header bolt actually do on a pair of doors?
The HDB-4085 adds a third locking point at the top of the inactive leaf. When the lock is actuated, the bolt extends up into a header strike with a scissor-like action, so the inactive leaf is held at the header rather than relying only on the lock points in the door edge. It mounts in the inactive leaf of the pair.
2) Does the 4085 header bolt come with a strike, or do I need to order one separately?
A nylon strike ships with the bolt, and it is required for the bolt to operate. Do not plan on reusing an existing metal header strike from another manufacturer's flush bolt; the supplied nylon strike is part of the assembly.
3) Header bolt or a standard flush bolt for the inactive leaf, which should I use?
A conventional flush bolt is thrown by hand at the door edge, so someone has to reach up and set it. The 4085 header bolt extends automatically when the lock is actuated, which is what you want when the inactive leaf needs a top locking point that staff will not bother to throw manually. If you only need a manually set top bolt and there is no lock on the inactive leaf to drive it, a plain surface or flush bolt is the simpler choice.
4) Can I install the 4085 header bolt in the active leaf?
No. The 4085 is made for the inactive leaf only. The active leaf keeps its normal lock and latching; the header bolt is the third point that secures the leaf that stays closed.
5) Is the Kaba Ilco 4085 header bolt suitable for commercial storefront work or is it a residential part?
It is a commercial part. The 4085 is a header bolt for the inactive leaf of a commercial door pair, tied to a keyed cylinder position on the door, which is the typical aluminum storefront arrangement.
6) What is the rod on the 4085 header bolt made of?
Zinc plated steel. That matters where the top of an entry door sees moisture tracked in or condensation at the header, since the plating is what keeps the rod from rusting and binding in the guides.
7) Are installation instructions available for the Kaba Ilco 4085 header bolt?
Yes. Ilco publishes a 4085 Series Header Bolt installation sheet, and the series is also covered in Ilco's Cylinders, Storefront Door Hardware and Exit Devices literature. Both are linked from the product information, which is worth pulling before you cut the header strike prep.
How fast can I get the Kaba Ilco HDB-4085 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 Kaba Ilco HDB-4085 come with a warranty?
Absolutely. The Kaba Ilco HDB-4085 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 Kaba Ilco HDB-4085?
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 Kaba Ilco HDB-4085 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.

Product Reviews

  • 5
    Easy Security Solution!

    Posted by Liam on Mar 1st 2024

    The Kaba Ilco 4085 Series Header Bolt is a breeze to install and provides excellent security. Its sleek design adds a modern touch to any door, but the price might be a bit high for some. Overall, a reliable choice for keeping your space safe and stylish.

  • 5
    Securing Spaces with the Kaba Ilco 4085 Series Header Bolt

    Posted by Troy on Feb 23rd 2024

    I recently got the Kaba Ilco 4085 Series Header Bolt, and I'm impressed. The heavy-duty build provides solid security, giving me peace of mind. Installation was straightforward, even for a beginner like me. However, it's a bit pricier compared to other options on the market. Overall, though, it's a reliable choice for anyone serious about securing their space.

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