SKU: 20826852278

Corbin Russwin - CK4310 Passage/Closet Cylindrical Knob Locksets

Sale price$235.93 Regular price$262.14
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

Corbin Russwin - CK4310 Passage/Closet Cylindrical Knob LocksetsOverview Features A A156. 2 Grade 2 certification Multiple functions and finishes available Field Reversible Optional backset lengths available UL Listed Precision manufactured mechanisms Stainless steel latchbolt for long life Benefits Adjustable latchbolts accommmodate flat and beveled doors Outstanding combination of value and performance Internal parts are zinc dichromate plated for corrosion resistance Specifications ANSI BHMA Code: A156. 2 ANSI

Overview

Features

  • A A156.2 Grade 2 certification
  • Multiple functions and finishes available
  • Field Reversible
  • Optional backset lengths available
  • UL Listed
  • Precision manufactured mechanisms
  • Stainless steel latchbolt for long life

Benefits

  • Adjustable latchbolts accommmodate flat and beveled doors
  • Outstanding combination of value and performance
  • Internal parts are zinc dichromate plated for corrosion resistance

Specifications

  • ANSI/BHMA Code: A156.2
  • ANSI/BHMA Series: Series 4000
  • Backset Depth (Standard): 2 3/4"
  • Cylinder Format: Conventional
  • Cylinder Pins: 6 pin
  • Door Thickness (Standard): 1 3/4"
  • Handing: Field Reversible
  • Latchbolt Throw: 1/2"
  • Maximum Backset: 2 3/4"
  • Maximum Door Thickness: 1 3/4"
  • Minimum Backset: 2 3/8"
  • Minimum Door Thickness: 1 3/8"
  • Number of Keys: 2
  • Strike Type (Standard): ANSI Curved Lip
  • UL Listed: Yes
  • ULC Listed: Yes
  • Warranty: 1-year limited warranty

Certifications

  • UL listed and UL10c compliant
  • UL-cUL Listed for use on fire doors having a rating up to and including 3-hours
  • ANSI/BHMA A156.2, Series 4000, Grade 2

Mechanical Option

Option Type Code Description

Backset

B234

2-3/4" (70mm)

Backset

B238

2-3/8" (60mm)

Fronts

M17

ANSI Wrought Strike Box

Strikes

SA100

1" (25mm) Curved Lip ANSI Strike

Strikes

SA112

1-1/2" (38mm) Curved Lip ANSI Strike

Strikes

SA114

1-1/4" (32mm) Curved Lip ANSI Strike

Strikes

SA118

1-1/8" (29mm) Curved Lip ANSI Strike

Strikes

SA134

1-3/4" (44mm) Curved Lip ANSI Strike

Strikes

SA138

1-3/8" (35mm) Curved Lip ANSI Strike

Strikes

SA200

2" (51mm) Curved Lip ANSI Strike

Strikes

SA212

2-1/2" (64mm) Curved Lip ANSI Strike

Strikes

SA214

2-1/4" (57mm) Curved Lip ANSI Strike

Strikes

SA234

2-3/4" (70mm) Curved Lip ANSI Strike

Strikes

SA300

3" (76mm) Curved Lip ANSI Strike

Strikes

SC100

1" (25mm) Curved Lip T-Strike with Strike Box

Strikes

SC112

1-1/2" (38mm) Curved Lip T-Strike with Strike Box

Strikes

SC114

1-1/4" (32mm) Curved Lip T-Strike with Strike Box

Strikes

SC118

1-1/8" (29mm) Curved Lip T-Strike with Strike Box

Strikes

SC134

1-3/4" (44mm) Curved Lip T-Strike with Strike Box

Strikes

SC138

1-3/8" (35mm) Curved Lip T-Strike with Strike Box

Strikes

SC200

2" (51mm) Curved Lip T-Strike with Strike Box

Strikes

SC212

2-1/2" (64mm) Curved Lip T-Strike with Strike Box

Strikes

SC214

2-1/4" (57mm) Curved Lip T-Strike with Strike Box

Strikes

SC234

2-3/4" (70mm) Curved Lip T-Strike with Strike Box

Strikes

SC300

3" (76mm) Curved Lip T-Strike with Strike Box

Strikes

SF114

1-1/4" (32mm) Full Lip Strike with Strike Box

Cylinder Option

Option Type Code Description

Access 3

AHS

Access 3® High Security Fixed Core

Access 3

AP

Access 3® Patented Fixed Core

Access 3

AS

Access 3® Security Fixed Core

Cylinder/Key Stamping

CKC2

Concealed Key Control Cylinders with VKC Keys. (Not for AS, AHS, ACS, ACHS, PHS, PCHS, HS or CHS)

Cylinder/Key Stamping

CKC3

Concealed Key Control Cylinders with VKC Keys. (Not for AS, AHS, ACS, ACHS, PHS, PCHS, HS or CHS)

Cylinder/Key Stamping

KY#

More Than 2 Keys Per Lock (Ex: KY6)

Cylinder/Key Stamping

VKC0

No Bitting or Keyset Stamping on Keys

Cylinder/Key Stamping

VKC1

Visual Key Control Keys Only

Cylinder/Key Stamping

VKC2

Visual Key Control Cylinders and Keys (Not for AS, AHS, ACS, ACHS, PHS, PCHS, HS or CHS)

Cylinder/Key Stamping

VKC3

Visual Key Control Cylinders Only (Not for AS, AHS, ACS, ACHS, PHS, PCHS, HS or CHS)

Miscellaneous

6P

Conventional 6-Pin

Miscellaneous

LC

Less Cylinder

Pyramid

PHS

Pyramid High Security Fixed Core

Pyramid

PS

Pyramid Security Fixed Core

Security

HS

Security

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20826852278

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4.1 ★★★★★
Based on 13 reviews
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Product Reviews
J
Verified Purchase
J
Houston, US
★★★★★ 5
These Bamboo Pillowcases Made Me Realize I Sleep Hot
Color: 07 - Cream, Size: Queen (20" X 30"), Color: 07 - Cream, Size: Queen (20" X 30")
I bought these mostly because I kept hearing people talk about bamboo pillowcases and honestly thought it sounded a little overhyped, but I totally get it now. The first thing I noticed was how cool they felt compared to regular cotton. I tend to get warm when I sleep and flip my pillow a million times during the night looking for the cold side, and these actually stay noticeably cooler longer. They also feel really soft without having that weird slippery texture some silky pillowcases have. My skin has been less irritated lately and my hair definitely looks less frizzy in the mornings. I have thick hair that tangles easily overnight, and these have helped more than I expected. Another thing I appreciate is that they’ve washed well so far. I was worried they’d pill or lose softness after a wash cycle, but they still feel smooth and nice. They also just make the bed feel cleaner and more comfortable overall. One of those small upgrades that ends up making a bigger difference than you’d think.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
A
Verified Purchase
Aquamac
Lowell, US
★★★★★ 5
Soft and cooling
Color: 08 - Sage Green, Size: Queen (20" X 30")
These are great pillowcases. Very soft, comfortable, and they stay cool throughout the night. They fit perfectly and feel really nice against your skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
A
Verified Purchase
Ashley Hile
Carnegie, US
★★★★★ 4
Sheets are good. Greens don't match
Color: 08 - Sage Green, Size: King (20" X 36"), Color: 08 - Sage Green, Size: King (20" X 36")
I purchased the sage green sheets to go along with another Bedsure comforter, then purchased 2 more pillow cases (because i I like a lot of pillows) and the greens don't exactly match. This doesn't REALLY bother me as I feel like its fine with a little "texture." Sheets feel nice and light and I love the look of it in my room.
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Reviewed in the United States on March 3, 2026
A
Verified Purchase
Apple
Carnegie, US
★★★★★ 5
Good buy Pillowcases
Color: 08 - Sage Green, Size: King (20" X 36")
I bought these Bedsure king-size pillowcases from Amazon and overall I’m very happy with them. The first thing I noticed was how incredibly soft and smooth the fabric feels. They almost feel silky, which makes them very comfortable to sleep on. When you lay your head down, the material feels cool and gentle on the skin, which I really like. I also appreciate the zipper closure. It keeps the pillow securely inside the case and makes everything look neat and tidy on the bed. The zipper is hidden well and doesn’t feel bulky or uncomfortable. The only small downside is that the pillowcases are so smooth that the pillows can sometimes slide around or even slip off the bed a little. However, that’s really just because the material is so silky. Overall, I would still recommend these pillowcases. They are soft, comfortable, and feel like a nice upgrade compared to regular pillowcases.
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Reviewed in the United States on March 8, 2026
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 5
Very nice pillowcases
Color: 06 - Beige, Size: Standard (20" X 26")
These pillowcases are really nice. They're soft and wash well. I really like the pocket on the end. It makes your pillows look nice and neat. The price is good too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026

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