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Schlage Commercial B520-375 Driver for Lazy Tailpiece - Classic, for Non Modular Cylinder
Manufacturer Resources
Product Specs
- Warranty:
- Limited Lifetime Mechanical/Finish
- Product Group:
- Mechanical Locks
- Subcategory:
- Parts and Accessories
- Product Subgroup:
- Parts and Accessories
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware
Schlage B520-375 – Frequently Asked Questions
1) What is the Schlage B520-375 driver and what does it actually do?
The B520-375 is a small cylinder part, a driver used with a lazy tailpiece in a Schlage Classic non-modular cylinder. The lazy tailpiece floats rather than being fixed to the plug, and the driver is the piece that picks up that motion and transfers key rotation through to the lock. It is a replacement component, not a complete cylinder or lock.
2) Will the Schlage B520-375 driver work in a modular cylinder?
No. The B520-375 is built for Schlage Classic non-modular cylinders. If the cylinder on the door is a modular type, this driver is the wrong part and you need the component matched to that cylinder family instead.
3) Is the Schlage B520-375 a complete cylinder or just a part?
Just a part. The B520-375 is a loose driver component that goes inside the cylinder. Ordering it gets you the driver only, no plug, no housing, no pins, no keys, and no tailpiece. If you are replacing a whole cylinder, order the cylinder.
4) I maintain a building standardized on Schlage B-Series deadbolts. Can I stock the B520-375 as a repair part?
It suits that kind of standardization, as long as the cylinders are Schlage Classic non-modular and use a lazy tailpiece. Where a key turns but the bolt does not follow, a worn or misplaced driver is one of the things a locksmith checks, and this is the piece that gets swapped. Pull one cylinder and confirm it is non-modular Classic before stocking quantity.
How fast can I get the Schlage B520-375 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 B520-375 come with a warranty?
Absolutely. The Schlage B520-375 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 B520-375?
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 B520-375 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.