Hager 3981-U Small Format Inte...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$53.08
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Hager 3981-U Small Format Interchangeable Core, Uncombinated, 6 Pin with Best Keyways in Satin Brass

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Model: 3981-U US4

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

$53.08
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Hager 3981-U Small Format Interchangeable Core, Uncombinated, 6 Pin with Best Keyways in Satin Brass

The Hager 3981-U is a Small Format Interchangeable Core (SFIC) designed for commercial door hardware applications requiring flexible, tool-free core replacement. Delivered uncombinated with 6-pin configuration and Best keyways, this IC core is finished in Satin Brass and is engineered to integrate seamlessly into compatible Hager lock cylinders. Its interchangeable core format allows facilities managers and security professionals to re-key or replace cores quickly without removing the lockset from the door, making it an ideal solution for high-security or multi-tenant environments.

Key Features

  • Small Format Interchangeable Core (SFIC): Tool-free core interchange allows rapid re-keying or core replacement without lock disassembly, reducing downtime and maintenance costs in commercial facilities.
  • Uncombinated Configuration: Shipped uncombinated, allowing locksmiths and security professionals to pin and key the core to specific master key system requirements on-site.
  • 6-Pin Cylinder: Six-pin tumbler design provides enhanced security and broader key combination potential for demanding commercial access control applications.
  • Best Keyways Compatibility: Engineered to accept Best keyways, ensuring compatibility with Best-format key systems widely used across commercial and institutional facilities.
  • Satin Brass Finish: Durable Satin Brass finish provides a professional aesthetic and corrosion resistance suited for interior commercial door hardware applications.
  • Commercial-Grade Construction: Built to meet the rigorous demands of commercial environments, supporting reliable, long-term performance as a replacement part for Hager lock systems.
  • Hager Lock Parts Compatibility: Designed as a genuine Hager replacement part, ensuring proper fit and function within compatible Hager lock products.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: IC Core
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: 3981-U
  • Features: Hager Lock Parts

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities and University Campuses
  • Healthcare Institutions and Medical Facilities
  • Government and Municipal Buildings
  • Multi-Tenant Residential and Mixed-Use Properties
  • Industrial and Warehouse Facilities
  • Retail Establishments Requiring Master Key Systems

Why Hager 3981-U?

The Hager 3981-U delivers professional-grade reliability as a genuine replacement IC core engineered for compatibility with Hager lock systems. Its uncombinated, 6-pin, Best keyway format offers security professionals maximum flexibility for custom key system integration. Designed specifically for commercial applications, this interchangeable core supports efficient facility management and dependable access control performance.

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
IC Core
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
3981-U
Features:
Hager Lock Parts

Hager 3981-U US4 – Frequently Asked Questions

How fast can I get the Hager 3981-U US4 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 Hager 3981-U US4 come with a warranty?
Absolutely. The Hager 3981-U US4 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 Hager 3981-U US4?
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 Hager 3981-U US4 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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