Schlage KZ11F40 Hardened Steel...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$27.42
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Schlage KZ11F40 Hardened Steel Replacement Shackle for 40 Series Padlock, 3/8" x 2" x 3/4"

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Model: KZ11F40

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

$27.42
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Schlage KZ11F40 Hardened Steel Replacement Shackle for 40 Series Padlock, 3/8" x 2" x 3/4"

The Schlage KZ11F40 is a hardened steel replacement shackle engineered specifically for use with Schlage 40 Series padlocks. Measuring 3/8" in diameter with a 2" shackle height and 3/4" inside width, this precision-dimensioned component restores full security and functionality to your existing 40 Series padlock. Constructed from hardened steel for maximum cut and pry resistance, this commercial-grade replacement part keeps your padlock performing as intended without the need for a full lock replacement.

Key Features

  • Precision Dimensions: Shackle measures 3/8" diameter x 2" height x 3/4" inside width, ensuring a proper fit with compatible 40 Series padlocks.
  • Hardened Steel Construction: Manufactured from hardened steel for superior resistance to cutting, sawing, and prying in demanding commercial environments.
  • 40 Series Compatibility: Designed exclusively for use with Schlage 40 Series padlocks, providing an OEM-quality replacement that maintains original security performance.
  • Commercial-Grade Quality: Rated for commercial applications where reliable, long-term security hardware performance is required.
  • Genuine Schlage Part: Sourced as an authentic Schlage component, ensuring proper fit, finish, and function consistent with original equipment standards.

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: Padlocks
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: KZ11F40
  • Features: Schlage Parts

Typical Applications

  • Commercial Office and Industrial Facility Padlock Maintenance
  • Warehouse and Distribution Center Security Hardware Servicing
  • Retail Establishment Lock Repair and Upkeep
  • Educational Facility Maintenance Programs
  • Government and Municipal Property Security Hardware Upkeep
  • Multi-Tenant Residential and Mixed-Use Property Management
  • Contractor and Locksmith Replacement Parts Inventory

Why Schlage KZ11F40?

Schlage replacement shackles are manufactured to the same hardened steel standards as original 40 Series padlock components, delivering consistent cut and pry resistance in commercial-grade security applications. Choosing a genuine Schlage part ensures dimensional accuracy and compatibility, extending the service life of your existing padlock investment without compromising security integrity.

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:
Padlocks
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
KZ11F40
Features:
Schlage Parts

Schlage KZ11F40 – Frequently Asked Questions

1) What size hasp or chain will a 3/8 inch by 3/4 inch padlock shackle pass through?
The clear opening is what matters: the KZ11F40 has a 3/4 inch inside width and the shackle rod itself is 3/8 inch in diameter, with 2 inches of shackle height. So the hasp staple, chain link, or cable loop has to accept a 3/8 inch rod and sit within a 3/4 inch span. Measure the staple opening before you commit, particularly on heavy gate hardware where the staple is often thicker than a 3/8 inch clearance allows.
2) Is it worth replacing just the shackle instead of buying a whole new padlock?
That is exactly what this part is for. When the shackle is cut, bent, or seized but the padlock body and cylinder are still good, the KZ11F40 restores the lock without rekeying or re-issuing keys to tenants and crews. For a facility running a keyed-alike padlock set, swapping the shackle keeps the existing key system intact, which is usually the bigger cost.
3) Can I use a generic aftermarket shackle on a Schlage 40 Series padlock instead?
Dimensional accuracy is the issue. The 40 Series body is machined for a 3/8 inch diameter shackle with a 3/4 inch inside width, and a shackle that is off on either measurement will either not seat in the locking mechanism or will bind. The KZ11F40 is the genuine Schlage part cut to those dimensions, which is why it latches and releases the way the original did.
4) Is the KZ11F40 shackle hardened, or just plated steel?
Hardened steel, which is what gives it cut, saw, and pry resistance rather than just corrosion cover. That matters on exterior gates, warehouse roll-up doors, and utility cabinets where a bolt cutter is the realistic threat. A soft or mild steel shackle in the same dimensions would not hold up the same way.
5) Does the KZ11F40 come with keys or a cylinder?
No. The KZ11F40 is the shackle only, the hardened steel bow that passes through the hasp. The body, cylinder, and keys stay with your existing 40 Series padlock, so nothing about the keying changes when you install it.
6) Is this padlock shackle rated for commercial use or is it a residential part?
Commercial. Schlage catalogues the KZ11F40 as a commercial-grade component, and it is used for padlock servicing in warehouses, distribution centers, schools, municipal property, and multi-tenant buildings. Locksmiths and MRO stockrooms typically carry a few so a cut lock can be put back in service the same day.
How fast can I get the Schlage KZ11F40 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 Schlage KZ11F40 come with a warranty?
Absolutely. The Schlage KZ11F40 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 Schlage KZ11F40?
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 Schlage KZ11F40 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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