BEST 1E Series Standard Mortis...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$19.16
BEST 1E Series Standard Cylinder Ring

BEST 1E Series Standard Mortise Cylinder Ring

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Model: 1ER2625
From the E Series Cylinders Collection
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$19.16
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BEST 1E Series Standard Mortise Cylinder Ring

Professional Cylinder Component for Standard Mortise Applications

The BEST 1E Series Standard Cylinder Ring is designed for standard mortise applications requiring BEST 1E series cylinders with standard 1E-C4 cam. This precision-machined component enables BEST cylinders to function with other manufacturers' locks through different cams and cylinder rings, providing versatile compatibility for various lock configurations. The cylinder ring supports BEST's interchangeable core system and master-keying capabilities for comprehensive access control integration.

Professional Features & Benefits

  • Standard Mortise Compatibility: Designed specifically for standard mortise applications with BEST 1E series cylinders and 1E-C4 cam configuration.
  • Cross-Manufacturer Compatibility: Enables BEST cylinders to function with other manufacturers' locks through different cams and cylinder rings for flexible installation options.
  • Precision Construction: Machined from brass or bronze bar stock for exceptional durability and precise fit in commercial applications.
  • Enhanced Security Design: Works with diagonal set screw mounting system that securely holds the cylinder in the housing for added protection.
  • Interchangeable Core System: Compatible with BEST interchangeable core technology for efficient key management and system expansion.
  • Master-Keying Capability: Supports integration into existing BEST master-key systems for comprehensive access control solutions.
  • Multiple Finish Options: Available in a variety of finishes to match existing hardware and architectural requirements.

Technical Specifications

  • Collection: E Series Cylinders
  • Commercial/Residential: Residential
  • Department: Door Hardware
  • Parts and Accessories Type: Replacement Parts
  • Product Attribute: Parts and Accessories
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Product Subgroup: Cylinders
  • Product Type: Cylinders
  • Series: 1E Series
  • Subcategory: Parts and Accessories

Installation & Operation

This cylinder ring component is designed for use with compatible BEST 1E series cylinders in mortise lock applications. Refer to the parent cylinder installation instructions and manufacturer documentation for proper integration. Ensure compatibility with existing hardware and verify cam configuration before installation.

Professional Applications

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

Why Choose BEST Quality?

BEST cylinder components deliver professional-grade reliability with precision-machined brass or bronze construction engineered for demanding commercial applications. The interchangeable core system and master-keying capabilities provide flexible access control solutions where dependable performance and security are essential. Special cylinder variations are available for most applications to meet specific installation requirements.

Manufacturer Resources

E Series Service Manual

Product Specs

Series:
1E Series
Subcategory:
Parts and Accessories
Product Group:
Parts and Accessories
Product Subgroup:
Cylinders
Product Type:
Cylinders
Commercial/Residential:
Residential
Collection:
E Series Cylinders
Parts and Accessories Type:
Replacement Parts
Product Attribute:
Parts and Accessories
Product Category:
Mechanical Locks
Department:
Door Hardware

BEST 1ER2625 – Frequently Asked Questions

1) What does the BEST 1E Series cylinder ring actually do, and do I need one with my mortise cylinder?
The 1E Series cylinder ring is a spacer collar that sits between the mortise cylinder and the lock face. It takes up the gap so the cylinder sits flush and the cam engages correctly on standard mortise applications using BEST 1E cylinders with the 1E-C4 cam. If your cylinder body sits proud of the trim or is buried too deep for the cam to reach, a ring in the right thickness is what corrects it. It is a replacement part, not a cylinder, and it comes with no key, plug, or core.
2) What thicknesses does the BEST 1E cylinder ring come in?
Four thicknesses: R2 at 1/8 inch, R3 at 3/16 inch, R4 at 1/4 inch, and R5 at 3/8 inch. Pick by how far the cylinder currently stands off. Measure the gap between the cylinder collar and the lock face, or the amount the cylinder protrudes past the trim, and order the ring that closes it. Rings stack in practice, but ordering the single correct thickness gives a cleaner look and keeps the set screw biting on the cylinder body rather than on a stack.
3) Will a BEST 1E ring let me put a BEST cylinder into another manufacturer's mortise lock?
That is the point of the ring and cam pairing. BEST cylinders adapt to other makers' locks through the combination of a different cam and a different cylinder ring. The ring covered here is the standard one, matched to the 1E-C4 cam for standard mortise prep. Fitting a competitor's mortise lock generally means the cam changes as well, so identify the cam that lock requires first and treat the ring purely as the depth adjustment.
4) I need a complete mortise cylinder, not just a ring. What should I order instead?
A ring alone will not lock anything, so if your door has no cylinder you need a cylinder body. From other brands, the Corbin Russwin 1000 Grade 1 mortise cylinder comes 1-1/2 inch with an A02 straight cam, and the 1070 Grade 1 mortise housing is 1-1/4 inch with an A01 cloverleaf cam. If you want to stay on an interchangeable core system, the Corbin Russwin 1080 is a 1-1/2 inch LFIC 6-pin mortise cylinder cut for Schlage L9000 mortise locks with an A01 cam. Match the cam to the lock you are feeding, then use a ring to set the final depth.
5) My exit device takes a rim cylinder. Will a mortise cylinder ring work there?
No. Rim cylinders mount through the door with a tailpiece and a back plate, not with a threaded body and a spacer ring, so a mortise cylinder ring has nothing to do on that opening. For rim work look at the Schlage 20-021 6-pin rim cylinder with a vertical tailpiece cam or the 20-022 with a horizontal tailpiece cam, or the Corbin Russwin 3070 6-pin rim housing with a 1-7/8 inch tailpiece. If you want interchangeable core on the rim side, the Schlage 20-057 is a 6-pin FSIC rim cylinder with a convertible tailpiece cam.
6) What is used on an aluminum storefront narrow stile door where a standard mortise cylinder and collar will not fit?
Narrow stile aluminum doors are usually built around an Adams Rite deadlock rather than a mortise lock body, so the BEST 1E Series Standard Mortise Cylinder Ring, which spaces a BEST 1E cylinder in a mortise lock, is not the part that stack. The Adams Rite 4036 is a Grade 1 mortise cylinder with five-pin security rated for a 1/2 inch minimum door thickness, which suits the thin stile. Where the deadlock is an MS1847, the Adams Rite 4024 cylinder pull mounts with a trim plate and the 4025 five pin tumbler cylinder pull mounts with through-screws; the 4026 five pin tumbler cylinder pull is for the 5017 wood door deadlock instead.
7) The lock is a key-in-lever, not a mortise body. Does a mortise cylinder ring apply?
No. The BEST 1E Series Standard Mortise Cylinder Ring is a mortise-application part for BEST 1E series cylinders with the 1E-C4 cam, and a key-in-lever chassis takes a cylinder that drops into the knob or lever instead. The Kaba Ilco 1539 Series is a key-in-knob and lever universal cylinder, the 1579 is a knob and lever cylinder for Sargent, and the Falcon A23161-05 G is a key-in-lever cylinder for the RU/T series with a 6-pin G keyway, keyed different, supplied with two cut keys. Match the cylinder to the lock chassis brand and keyway before ordering.
8) Can a Corbin Russwin 1000 mortise cylinder be used in place of a BEST 1E cylinder ring?
No, those are two different parts. The BEST 1E Series Standard Mortise Cylinder Ring is the collar that sits between the cylinder and the lock face, sold in 1/8 inch (R2), 3/16 inch (R3), 1/4 inch (R4) and 3/8 inch (R5) thicknesses to take up the gap. The Corbin Russwin 1000 Grade 1 mortise cylinder, 1-1/2 inch length, is the keyed cylinder itself with an A02 straight cam. If the opening needs the whole cylinder replaced rather than shimmed out, the 1000 is a mortise cylinder for that job; if the existing BEST cylinder sits proud of or below the lock face, the 1E ring is the part that corrects it.
9) The door has a rim exit device, not a mortise lock. What cylinder should be ordered instead of a BEST 1E mortise setup?
A rim device takes a rim cylinder mounted through the door with a tailpiece, so a mortise cylinder collar such as the BEST 1E Series Standard Mortise Cylinder Ring, which is made for BEST 1E series cylinders with the 1E-C4 cam in mortise applications, has nothing to seat against. The Schlage Commercial 20-021 is a 6-pin rim cylinder with a vertical tailpiece cam and two keys, and the 20-022 is the same 6-pin rim cylinder with a horizontal tailpiece cam. Check which tailpiece orientation the exit device chassis calls for before ordering.
10) Can I get a BEST cylinder ring in matte black or oil-rubbed bronze to match my other door hardware?
Nine finishes are offered, and every one of them is available in all four ring thicknesses: 605 bright brass, 606 satin brass, 612 satin bronze, 613 satin bronze oil-rubbed, 622 matte black, 625 bright chrome, 626 satin chrome, 630 satin stainless steel, and 690 statuary dark bronze. For a property manager standardizing a building, match the ring finish to the mortise trim rather than to the door, since the ring reads as part of the cylinder face.
11) Does the 1E cylinder ring work with BEST interchangeable cores and an existing master key system?
It does. The ring supports BEST's interchangeable core system and drops into an existing BEST master-keyed setup, since it changes nothing about the keying, only how deep the cylinder sits. A locksmith adding a door to a facility's SFIC system can set the mounting depth with the ring and pull the core across without rekeying anything.
12) How is the BEST cylinder ring held in place once the cylinder is installed?
Nothing fastens the ring on its own. It captures between the cylinder collar and the lock face, and the mortise lock's diagonal set screw clamps the cylinder in the housing with the ring trapped behind it. Back the set screw off to change ring thickness, then retighten on the cylinder body. If the cylinder spins after install, the ring stack is thick enough that the set screw has lost its bite.
13) We run interchangeable cores on the mortise locks. What keeps the same core system on a rim application?
The BEST 1E Series Standard Mortise Cylinder Ring supports the BEST interchangeable core system and master-keying on mortise cylinders. Where the same key system has to carry onto a rim device, the Schlage Commercial 20-057 is a 6-pin full size interchangeable core rim cylinder with a convertible tailpiece cam and two keys, and the 20-057-C is a full size interchangeable core cylinder in the C keyway with a 643E aged bronze finish. Both are FSIC parts, so they are keyed into a full size core system rather than a BEST small format one.
14) The mortise lock is a Schlage L9000. What cylinder goes with it, and does the BEST 1E ring have a role?
The BEST 1E Series Standard Mortise Cylinder Ring is matched to BEST 1E series cylinders using the 1E-C4 cam, and it comes in 1/8, 3/16, 1/4 and 3/8 inch thicknesses to bring the cylinder flush in the lock face. For a Schlage L9000 mortise lock on a full size interchangeable core program, the Corbin Russwin 1080 Grade 1 series 1-1/2 inch LFIC mortise cylinder is a 6-pin cylinder built for Schlage L9000 mortise locks with the A01 Schlage L cam. The deciding factor is the cam the lock body needs, since the cam is what drives the mortise lock hub.
15) Is a cylinder collar interchangeable with a cylinder housing like the Corbin Russwin 3070 or 1070?
No. The BEST 1E Series Standard Mortise Cylinder Ring is a machined brass or bronze collar that sets how far the cylinder stands out of the lock face, offered in 1/8, 3/16, 1/4 and 3/8 inch. A housing is the keyed body itself: the Corbin Russwin 3070 is a 6-pin rim cylinder housing with a 1-7/8 inch tailpiece, and the Corbin Russwin 1070 Grade 1 series is a 1-1/4 inch 6-pin mortise housing with an A01 cloverleaf cam. A collar changes projection; a housing changes what is keyed into the door.
16) Deadbolt on a residential unit door needs a new cylinder. Is a mortise cylinder ring part of that order?
Only if the deadbolt is driven by a mortise cylinder. The BEST 1E Series Standard Mortise Cylinder Ring is a mortise collar for BEST 1E cylinders and comes in nine finishes including 605 bright brass, 626 satin chrome, 622 matte black and 690 statuary dark bronze. For residential deadbolt and handleset work the Kaba Ilco 1549 Series is a key-in-deadbolt cylinder, and the Medeco 1012040 is a 6-pin lazy motion rim cylinder for Kwikset single cylinder deadbolts, while the Medeco 1075127 is a 5-pin rim type lazy motion single cylinder for handlesets and deadbolts. Those mount to the back of the deadbolt rather than seating in a mortise lock face.
17) Is the BEST cylinder ring brass or steel, and will it hold up on a high traffic commercial door?
Machined from brass or bronze bar stock. That is the same material class as the cylinder collar it sits against, so the two wear together and the ring will not gall the cylinder face the way a harder dissimilar metal can. It is a static spacer with no moving parts, so traffic count on the opening is not what wears it out.
18) What is the difference between a cylinder ring and a cylinder collar or escutcheon on a mortise lock?
On a mortise install, the ring is the thin spacer that controls how far the cylinder threads into the lock case, sold here in 1/8, 3/16, 1/4 and 3/8 inch. It sets cam depth. A decorative collar or escutcheon is trim, covering the hole and finishing the look, and it does not change the cylinder's position. If your cylinder is sitting too proud or too deep, a spacer ring is the part that fixes it.
19) Emtek handleset needs a rekeyable cylinder. Does a BEST cylinder and ring retrofit it?
An Emtek handleset takes a cylinder built to its own tailpiece pattern, so a BEST mortise cylinder with the 1E Series Standard Mortise Cylinder Ring is not the drop-in for it. The Emtek CY4 cylinder is sold each, the Medeco 1065140 is a 5-pin retrofit cylinder for the Arrow JL interconnected lock and Emtek handleset and deadbolt outside cylinder, and the Medeco 1065244 is a 5-pin rim lazy motion rim type cylinder supplied with an Emtek tailpiece. Confirm which tailpiece the handleset uses before ordering.
20) Where do I find the install procedure for a BEST E Series cylinder?
BEST publishes an E Series service manual covering the cylinder family this ring belongs to, and it is the reference for cam orientation, set screw torque and core removal. Work the ring thickness out against the actual lock case, since the depth needed is a property of the door and lock, not of the cylinder.
How fast can I get the BEST 1ER2625 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 BEST 1ER2625 come with a warranty?
Absolutely. The BEST 1ER2625 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 BEST 1ER2625?
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
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