Cylinder Locks(1000+)
KFFKFF Cylinder Lock, Circular Single Cylinder Dead Bolt, Keyed on One Side, Suitable for Regular Sized Indoor and Outdoor Doors, Entirely Metallic, Comes with 3 Keys, Ideal for Main Door Home Safety $14.99

KFFKFF Cylinder Lock, Circular Single Cylinder Dead Bolt, Keyed on One Side, Suitable for Regular Sized Indoor and Outdoor Doors, Entirely Metallic, Comes with 3 Keys, Ideal for Main Door Home Safety
Master Lock Padlock 2In 5 Pin Cylinder Solid Brass Body 1Pk $17.75

Master Lock Padlock 2In 5 Pin Cylinder Solid Brass Body 1Pk
1100-Piece SC1 /SC4 Re-key Kit – Door Lock Cylinder Repair Set with Bottom Pins (0-9), Top Pins, Springs, Caps, 10 Tailpieces & 5 Service Tools & Replacement $65.99 Was $79.55

1100-Piece SC1 /SC4 Re-key Kit – Door Lock Cylinder Repair Set with Bottom Pins (0-9), Top Pins, Springs, Caps, 10 Tailpieces & 5 Service Tools & Replacement
House Guard White Patio Door Handle Set with Key Cylinder and Mortise Lock, 3-15/16 in $39.99

House Guard White Patio Door Handle Set with Key Cylinder and Mortise Lock, 3-15/16 in
Clearance WEIOUKC Roll-Up Door Cylinder Lock,Heavy-Duty Cam Lock Cylinder with Keys, Brass Pin Tumbler Locker Lock for Metal Cabinets, Toolboxes & Mailboxes, Easy Install From $8.98
WEIOUKC Roll-Up Door Cylinder Lock,Heavy-Duty Cam Lock Cylinder with Keys, Brass Pin Tumbler Locker Lock for Metal Cabinets, Toolboxes & Mailboxes, Easy Install
Cylinder Lock, 1-7/8 in. Tailpiece, Fits Weiser, Kwikset and Weslock $3.73 Was $29.62

Cylinder Lock, 1-7/8 in. Tailpiece, Fits Weiser, Kwikset and Weslock
ibasenice Black Cylinder Door Lock with Rotary Latch, -Resistant Coating for Improved Home Security and Durability $9.56 Was $10.74

ibasenice Black Cylinder Door Lock with Rotary Latch, -Resistant Coating for Improved Home Security and Durability
Cylinder Lockwith 2 Keys Brass Lock Core Replacement Professional Lockable Easy to Install Sturdy Cabinet Lock $8.99

Cylinder Lockwith 2 Keys Brass Lock Core Replacement Professional Lockable Easy to Install Sturdy Cabinet Lock
Thumb Turn Cylinder Euro Barrel Door Lock Core Anti Extra Drill UK Key Anti Y8K3 $5.60
Thumb Turn Cylinder Euro Barrel Door Lock Core Anti Extra Drill UK Key Anti Y8K3
Yale AU5408LN626LC Commercial Classroom Augusta Lever Grade 1 Cylindrical Lock Less Cylinder, Satin Chrome $647.61

Yale AU5408LN626LC Commercial Classroom Augusta Lever Grade 1 Cylindrical Lock Less Cylinder, Satin Chrome
House Guard White Sliding Patio Door Handle Set with Mortise Lock, 3-15/16 in Hole Spacing $34.99

House Guard White Sliding Patio Door Handle Set with Mortise Lock, 3-15/16 in Hole Spacing
Solid Brass Lock Cylinder, Door Lock Cylinder Storm Door Lock Cylinder with Keys for Anti-Theft Wooden Aluminum Door 70mm(30/10/30) $17.39

Solid Brass Lock Cylinder, Door Lock Cylinder Storm Door Lock Cylinder with Keys for Anti-Theft Wooden Aluminum Door 70mm(30/10/30)
BAGUER Lock Lock Cylinder 70mm Aluminum Lock Anti-Theft Door Knob Cylinder Lock Core with 3 Keys 1 Screw for Anti-Theft Door Fine Craft Silver $6.81 Was $29.37

BAGUER Lock Lock Cylinder 70mm Aluminum Lock Anti-Theft Door Knob Cylinder Lock Core with 3 Keys 1 Screw for Anti-Theft Door Fine Craft Silver
In 25+ people's carts Hyper Tough Keyed Entry Single Cylinder Deadbolt Lock, Stainless Steel Finish From $11.97

Hyper Tough Keyed Entry Single Cylinder Deadbolt Lock, Stainless Steel Finish
Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit.Premium Self-Storage Locker Cylinder Lock Set (Includes 3 Keys) $10.37

Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit.Premium Self-Storage Locker Cylinder Lock Set (Includes 3 Keys)
KFFKFF Cylinder Lock, Circular Single Cylinder Dead Bolt, Keyed on One Side, Suitable for Regular Sized Indoor and Outdoor Doors, Entirely Metallic, Comes with 3 Keys, Ideal for Main Door Home Safety $14.99

KFFKFF Cylinder Lock, Circular Single Cylinder Dead Bolt, Keyed on One Side, Suitable for Regular Sized Indoor and Outdoor Doors, Entirely Metallic, Comes with 3 Keys, Ideal for Main Door Home Safety
Best seller Brinks Mobile Home Single Cylinder Deadbolt Lock, Stainless Steel Finish From $19.97
Brinks Mobile Home Single Cylinder Deadbolt Lock, Stainless Steel Finish
Clearance WJJIAO Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit. (Includes 3 Keys) Self-Storage Locker Cylinder Lock Set $11.99 Was $14.99

WJJIAO Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit. (Includes 3 Keys) Self-Storage Locker Cylinder Lock Set
Decor Mo 1 Side Keyed Deadbolt Lock,Single Cylinder Dead Bolt, Matte Black, 1 Pack
Decor Mo 1 Side Keyed Deadbolt Lock,Single Cylinder Dead Bolt, Matte Black, 1 Pack
Honeywell Single Cylinder Deadbolt Door Lock, Oil Rubbed Bronze $14.78

Honeywell Single Cylinder Deadbolt Door Lock, Oil Rubbed Bronze
Unique Bargains Door Lock Cylinder Kit with 2 Keys for Kia Optima 11-18 Left Driver Side Door Lock Set Tumbler with Key 819702TA00 $21.49

Unique Bargains Door Lock Cylinder Kit with 2 Keys for Kia Optima 11-18 Left Driver Side Door Lock Set Tumbler with Key 819702TA00
Best seller Brinks Electronic Keypad Single Cylinder Deadbolt Lock, Tuscan Bronze Finish $69.00

Brinks Electronic Keypad Single Cylinder Deadbolt Lock, Tuscan Bronze Finish
4-pack Schlage Deadbolt Lock Contractor Series Double Cylinder Satin Chrome - Durable Metal - 4 Pack Construction & DIY Use, Standard Hardware Spec $58.41

4-pack Schlage Deadbolt Lock Contractor Series Double Cylinder Satin Chrome - Durable Metal - 4 Pack Construction & DIY Use, Standard Hardware Spec
Brass Mortise Door Cylinder Locks Keyed Alike with 4 SC Keyway Keys, Commercial Door Replacement Lock Mortise Cylinder for Adams Rite, Kawneer, and Vistawall deadbolts (2 Pack-1 1/8" inch-Silver) $22.97

Brass Mortise Door Cylinder Locks Keyed Alike with 4 SC Keyway Keys, Commercial Door Replacement Lock Mortise Cylinder for Adams Rite, Kawneer, and Vistawall deadbolts (2 Pack-1 1/8" inch-Silver)
Best seller Brinks Single Cylinder Deadbolt Lock, Antique Brass Finish From $19.47

Brinks Single Cylinder Deadbolt Lock, Antique Brass Finish
JQuad (2 Pack Keyed Alike) Truck Tool Box Locks with Keys - Replacement Pickup Toolbox Lock Cylinder for Latch (2 Pack) $13.95

JQuad (2 Pack Keyed Alike) Truck Tool Box Locks with Keys - Replacement Pickup Toolbox Lock Cylinder for Latch (2 Pack)
Cylinder Lock, 13/16 in., Diecast, Wafer Type, 1 in. Thick Door $25.13

Cylinder Lock, 13/16 in., Diecast, Wafer Type, 1 in. Thick Door
L-Lei Iron Chrome Door Locks with 1 x Lock Cylinder with 2 Keys $25.38

L-Lei Iron Chrome Door Locks with 1 x Lock Cylinder with 2 Keys
(2 pack) Hyper Tough Keyed Entry Double Cylinder Deadbolt Lock, Stainless Steel Finish $37.48 $18.74/ea

(2 pack) Hyper Tough Keyed Entry Double Cylinder Deadbolt Lock, Stainless Steel Finish
Baldwin 853850562RH Soho Right Handed Sectional Single Cylinder Keyed Entry Handleset - From $808.80

Baldwin 853850562RH Soho Right Handed Sectional Single Cylinder Keyed Entry Handleset -
Storefront Door Mortise Lock Deadbolt Aluminum, Hook Deadbolt Double Cylinder, Storefront Entry Door Lock Set $26.98

Storefront Door Mortise Lock Deadbolt Aluminum, Hook Deadbolt Double Cylinder, Storefront Entry Door Lock Set
TALENO Double Cylinder Deadbolts Door Locks Satin Nickel Keyed Both Sides Door Locksets for Exterior Interior Door 2 Pack $23.50

TALENO Double Cylinder Deadbolts Door Locks Satin Nickel Keyed Both Sides Door Locksets for Exterior Interior Door 2 Pack
Vault Locks 2 Keyed Alike Single Cylinder Deadbolts, Polished Brass Finish $32.99

Vault Locks 2 Keyed Alike Single Cylinder Deadbolts, Polished Brass Finish
Premier Lock Jimmy Proof Double Cylinder Deadbolt Bronze 2 KW1 $34.99

Premier Lock Jimmy Proof Double Cylinder Deadbolt Bronze 2 KW1
Brinks Electronic Keypad Single Cylinder Deadbolt Lock with Pro-Guard, Matte Black Finish From $65.00

Brinks Electronic Keypad Single Cylinder Deadbolt Lock with Pro-Guard, Matte Black Finish
VEVOR Deadbolt Lock, Round Single Cylinder Dead Bolt, Keyed 1 Side, Fits Standard Size Interior and Exterior Doors, Full Metal, with 3 Keys, for Front Entry Door Residential Security, Satin Nickel $14.90

VEVOR Deadbolt Lock, Round Single Cylinder Dead Bolt, Keyed 1 Side, Fits Standard Size Interior and Exterior Doors, Full Metal, with 3 Keys, for Front Entry Door Residential Security, Satin Nickel
Design House Pro Deadbolt Double 2-Way Cylinder Deadbolt with Latch, Polished Brass Was $24.76
Design House Pro Deadbolt Double 2-Way Cylinder Deadbolt with Latch, Polished Brass
ZHZFKQ Double Cylinder Deadbolts Door Locks Satin Nickel Keyed Both Sides Door Locksets for Exterior Interior Door 2 Pack $25.10

ZHZFKQ Double Cylinder Deadbolts Door Locks Satin Nickel Keyed Both Sides Door Locksets for Exterior Interior Door 2 Pack
Kwikset Double Cylinder Deadbolt Lock - Satin Nickel - Silver Construction & DIY Use, Standard Hardware Spec $48.18

Kwikset Double Cylinder Deadbolt Lock - Satin Nickel - Silver Construction & DIY Use, Standard Hardware Spec
Premier Lock Double Cylinder Deadbolt, Stainless, Keyed Alike, 2 KW1 $29.96

Premier Lock Double Cylinder Deadbolt, Stainless, Keyed Alike, 2 KW1
Hyper Tough Keyed Entry Single Cylinder Deadbolt Lock, Matte Black $11.97

Hyper Tough Keyed Entry Single Cylinder Deadbolt Lock, Matte Black
Door Lock Cylinder Fits For Chevy GMC Express Savana 1500 2500 3500 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Lock Cylinder Set 4Pcs With Keys $29.99

Door Lock Cylinder Fits For Chevy GMC Express Savana 1500 2500 3500 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Lock Cylinder Set 4Pcs With Keys
Brinks Single Cylinder Keyed Entry Deadbolt Lock, Satin Nickel, Door Security Lock $18.97

Brinks Single Cylinder Keyed Entry Deadbolt Lock, Satin Nickel, Door Security Lock
Slide-co Sliding glass door keyed cylinder lock $17.25

Slide-co Sliding glass door keyed cylinder lock
Uxcell 2 Pcs Drawer File Cabinet Locking 0.75" Dia Thread Cylinder Cam Locks with Key $14.69

Uxcell 2 Pcs Drawer File Cabinet Locking 0.75" Dia Thread Cylinder Cam Locks with Key
Kwikset Deadbolt Lock 660 Single Cylinder - Adjustable, Bronze Finish - 2 Piece $37.00

Kwikset Deadbolt Lock 660 Single Cylinder - Adjustable, Bronze Finish - 2 Piece
Hyper Tough Keyed Entry Double Cylinder Deadbolt Lock, Stainless Steel Finish

Hyper Tough Keyed Entry Double Cylinder Deadbolt Lock, Stainless Steel Finish
Rollback Uxcell 35mm/55mm (90mm Overall) European Double Lock Cylinder Door Cylinder Lock with 8 Keys for Doors From $20.19

Uxcell 35mm/55mm (90mm Overall) European Double Lock Cylinder Door Cylinder Lock with 8 Keys for Doors
Yammee AntiTheft Door Lock Single Cylinder Exterior Door Gate Lock Keyed One Sides Door Lock for Exterior and Interior Door $40.96

Yammee AntiTheft Door Lock Single Cylinder Exterior Door Gate Lock Keyed One Sides Door Lock for Exterior and Interior Door
FAQ
How secure are cylinder locks against picking?
Pick resistance varies by lock design and build quality. In general, door deadbolts with features like security pins, restricted keyways, and hardened inserts can be more resistant to picking than basic cabinet or mailbox cam locks. Electronic keypad deadbolts remove the keyway from daily use, which can reduce pick risk, though battery and code management become factors.
- Higher-security features: anti-drill plates, anti-bump designs, and tighter tolerances can help.
- Installation matters: a reinforced strike plate and long screws can support overall door security.
- Use case: choose heavier-duty deadbolts for entry doors and simpler cylinders for furniture or mailboxes.
No lock is pick-proof, but choosing the right type and features can improve resistance.
What common issues do cylinder locks have?
Cylinder locks are sturdy, but a few routine issues can pop up over time:
- Sticky key or hard turning: dust or worn pins can cause binding.
- Misaligned latch or strike: the bolt may rub if the door shifts.
- Loose components: set screws or mounting plates can loosen with use.
- Weather effects: cold or moisture may stiffen outdoor cylinders.
- Worn keys: a bent or worn key can jam or fail to turn.
Helpful fixes can include gently cleaning the keyway and using a dry lock lubricant (graphite or PTFE), tightening hardware, and checking door alignment. If wear is heavy or keys are damaged, replacing the cylinder is often a practical option.
What door lock features offer better home security?
For entry doors, look for a combination of durability and tamper resistance. Features commonly suggested by security pros include:
- Solid deadbolt with a robust bolt and metal housing.
- Reinforced strike plate and long screws that anchor into the framing.
- Anti-drill, anti-pick, and anti-bump components for the cylinder.
- Higher ANSI/BHMA grade ratings for added durability and performance.
- Electronic options with auto‑lock timers and temporary codes, if convenience is a priority.
Fit and proper installation play a big role. Make sure the lock matches your door’s prep and thickness, and consider pairing it with a door reinforcement kit. Local building codes and egress rules should always be checked before choosing certain configurations.
Which cylinder lock type should I choose?
Match the lock to your door and use case:
- Single cylinder deadbolt: key outside, thumbturn inside—popular for most front and back doors.
- Double cylinder deadbolt: keyed both sides—sometimes used near glass, but check local egress rules.
- Electronic keypad deadbolt: keyless convenience with code access, plus a backup keyway.
- Mortise or storefront cylinders: for commercial-style doors or compatible mortise locks.
- Euro profile cylinders: common on certain exterior and interior doors with euro-style hardware.
- Cam cylinders: for cabinets, toolboxes, RV compartments, and mailboxes.
Confirm door thickness and prep, and review the product’s specifications so the cylinder length, tailpiece, and keyway style are compatible with your setup.
What’s the difference between single and double cylinder deadbolts?
The main difference is how they’re operated:
- Single cylinder: uses a key on the outside and a thumbturn inside. It’s convenient for quick exit and everyday use.
- Double cylinder: requires a key on both sides. This can reduce risks when there’s glass near the lock, since a thumbturn isn’t exposed.
Double cylinders may introduce safety and code considerations because a key is needed to exit. Many households choose single cylinders for convenience, reserving double cylinders for specific scenarios. Before buying, review local building and fire codes, and ensure the lock’s backset, door thickness, and bore match your door’s prep.
Popular in Cylinder Locks for Home Improvement
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