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Kwikset 660-DS Single Cylinder Deadbolt with RCAL Latch and Dual RCS and 5303 Full Lip Strike K3
The Kwikset 660-DS Single Cylinder Deadbolt is designed for homeowners and property managers seeking dependable security with flexible installation. Featuring a single-cylinder keyed entry, this deadbolt provides exterior key access and convenient interior thumb-turn operation. Built with a RCAL adjustable latch, dual RCS strike plates, and a 5303 full lip strike (K3 finish), it delivers enhanced durability, security, and alignment across a wide range of door setups.
Key Features & Benefits
-
Single Cylinder Function
Keyed entry on the outside with a thumb-turn on the inside for quick and safe operation. -
RCAL Adjustable Latch
Heavy-duty latch with adjustable backset (2-3/8" or 2-3/4") for compatibility with most standard doors. -
Dual RCS Strike Plates
Reinforced round corner square strike plates provide stronger doorframe anchoring and improved alignment. -
5303 Full Lip Strike (K3 Finish)
Includes a premium full lip strike plate for enhanced security and clean installation. -
Kwikset Quality
Backed by decades of trusted performance in residential and commercial door hardware. -
Easy Installation
Installs in minutes with a screwdriver; fits most standard doors.
Specifications
| Product Type | Single Cylinder Deadbolt |
| Model Number | 660-DS |
| Function | Keyed entry outside, thumb-turn inside |
| Latch | RCAL Adjustable Latch (2-3/8" or 2-3/4") |
| Strike Plates | Dual RCS Strike Plates + 5303 Full Lip (K3) |
| Door Thickness | 1-3/8" to 1-3/4" standard |
| Application | Exterior or entry doors |
| Installation | DIY-friendly, screwdriver only |
Manufacturer Resources
Product Specs
- Category:
- Mechanical Locks
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Deadbolts
- Product Type:
- Deadbolts
- Subcategory:
- Deadbolts
- Commercial/Residential:
- Residential
- Product Type:
- Mechanical Locks
- Product Features:
- Microban
- Product Attribute:
- Deadbolts