10 Best Single Deadbolt Locks Simple Yet Effective Door Security

10 Best single deadbolt locks simple yet effective door security - December 2025

checkIcon 19M consumers helped this year.

Last Updated: 04-12-2025

Advertising Disclosure

2 PCS Single Cylinder Deadbolt Round Security Door Lock with Key - Zinc Alloy Deadbolt Standard Size for Bathroom, Bedroom, Entrance Doors - Interior and Exterior (35-50mm)

WUISOLQP

9.8

CHECK PRICE

more deals (1)

2PCS Single Cylinder Deadbolt, Round Deadbolt Lock with Keys, Zinc Alloy Security Door Locks for 35-50mm Bathroom, Bedroom, Entrance Door, Modern Passage Dead Bolt Interior and Exterior

Crlvlyn

9.6

CHECK PRICE

more deals (1)

Best value

LOQRON Round Design Single Cylinder Deadbolt with Keys, Exterior Keyed Dead Bolt Lock for Front Entrance Door Security, Polished Brass

LOQRON

9.5

CHECK PRICE

more deals (1)

LUNEKUCK Single Cylinder Deadbolt Black Round Security Door Lock with Key, Zinc Alloy Deadbolt, Standard Size for Bathroom, Bedroom, Entrance Door Lock, Interior and Exterior

LUNEKUCK

9.2

CHECK PRICE

more deals (1)

HANDLEZONE® Single Cylinder Deadbolt, Round Deadbolt Lock, Zinc Alloy Lock with Keys – Satin Nickel. Modern Security Lock for 35–50mm Doors (Front, Entrance, Passage, Bedroom)

Hunta

9.1

CHECK PRICE

more deals (1)

Zinc Alloy Single Cylinder Deadbolt, Round Deadbolt Lock for 35-50mm Front Door, Entrance, Passage, Bedroom Doors (Silver)

sdhiiolp

8.8

CHECK PRICE

more deals (1)

5% Off

Deadbolt Door Lock, Round Internal Door Lock with Key, Single Cylinder Deadbolt, 35-50mm Zinc Alloy Security Gate Locks for Bedroom, Entrance Passage (Silver)

Dongnesi

8.6

CHECK PRICE

more deals (1)

XEERUN Single Cylinder Deadbolt, 35-50mm Round Deadbolt Lock, Zinc Alloy Deadbolt with Key, Invisible Modern Door Locks, Standard Size, for Bathroom, Bedroom, Entrance Doors, Silver

XEERUN

8.4

CHECK PRICE

more deals (1)

Round Deadbolt Lock, Single Cylinder Deadbolt, Zinc Alloy Door Locks with Keys, Invisible Modern Door Locks for 35-50mm Front Doors (Silver)

Yupaluz

8.2

CHECK PRICE

more deals (1)

9% Off

Coolty Deadbolt Lock Set, Single Cylinder Deadbolt Lock with Key Security for Entrance Door (Silver)

Coolty

8.1

CHECK PRICE

more deals (1)

2 PCS Single Cylinder Deadbolt Round Security Door Lock with Key - Zinc Alloy Deadbolt Standard Size for Bathroom, Bedroom, Entrance Doors - Interior and Exterior (35-50mm)

2PCS Single Cylinder Deadbolt, Round Deadbolt Lock with Keys, Zinc Alloy Security Door Locks for 35-50mm Bathroom, Bedroom, Entrance Door, Modern Passage Dead Bolt Interior and Exterior

LOQRON Round Design Single Cylinder Deadbolt with Keys, Exterior Keyed Dead Bolt Lock for Front Entrance Door Security, Polished Brass

LUNEKUCK Single Cylinder Deadbolt Black Round Security Door Lock with Key, Zinc Alloy Deadbolt, Standard Size for Bathroom, Bedroom, Entrance Door Lock, Interior and Exterior

HANDLEZONE® Single Cylinder Deadbolt, Round Deadbolt Lock, Zinc Alloy Lock with Keys – Satin Nickel. Modern Security Lock for 35–50mm Doors (Front, Entrance, Passage, Bedroom)

Zinc Alloy Single Cylinder Deadbolt, Round Deadbolt Lock for 35-50mm Front Door, Entrance, Passage, Bedroom Doors (Silver)

Deadbolt Door Lock, Round Internal Door Lock with Key, Single Cylinder Deadbolt, 35-50mm Zinc Alloy Security Gate Locks for Bedroom, Entrance Passage (Silver)

XEERUN Single Cylinder Deadbolt, 35-50mm Round Deadbolt Lock, Zinc Alloy Deadbolt with Key, Invisible Modern Door Locks, Standard Size, for Bathroom, Bedroom, Entrance Doors, Silver

Round Deadbolt Lock, Single Cylinder Deadbolt, Zinc Alloy Door Locks with Keys, Invisible Modern Door Locks for 35-50mm Front Doors (Silver)

Coolty Deadbolt Lock Set, Single Cylinder Deadbolt Lock with Key Security for Entrance Door (Silver)

Related Products