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Sargent 479 Series Grade 2 Thumbturn Deadbolt – Standard Duty Non-Keyed Inside-Only Lock
Product Description
The Sargent 479 Series Grade 2 Deadbolt is a non-keyed, inside-only lock designed for doors that require simple thumbturn operation without exterior access. With a thumbturn on the interior only, this deadbolt is ideal for closets, storage areas, utility rooms, and residential or light commercial applications where privacy or security is required from the inside but outside access is restricted.
Tested to ANSI/BHMA Grade 2 standards, the 479 Series provides dependable security at a more economical level than Grade 1 options. Its durable construction, flexible installation, and clean design make it a practical choice for light to medium traffic environments.
Key Features & Benefits
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Thumbturn Inside-Only Design – Operated by thumbturn from the inside; no outside cylinder.
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ANSI/BHMA Grade 2 Certified – Standard duty security suitable for residential and light commercial use.
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Hardened Steel Bolt – 1″ throw provides strong resistance against tampering.
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Standard Duty Construction – Reinforced housing designed for everyday durability.
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Interior Privacy Solution – Perfect for closets, storage spaces, or interior doors needing privacy without keyed entry.
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Universal Handing – Non-handed design works for left- or right-swing doors.
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Flexible Installation – Fits standard door preps with adjustable backset options.
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Finish Options – Satin Chrome (26D) and other architectural finishes available.
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Low Maintenance – Simple design ensures long service life and easy operation.
Specifications
| Door Thickness | 1 ⅜″ to 2″ (standard) |
| Backset | 2 3⁄8″ (60 mm) standard, 2 3⁄4″ (70 mm) optional |
| Bolt | 1″ throw, hardened steel |
| Case / Housing | Standard duty reinforced case |
| Cylinder | None (non-keyed) |
| Inside Trim | Thumbturn only |
| Handing | Non-handed, reversible |
| Function | Thumbturn Inside Only |
| Finish Options | Satin Chrome (26D) and additional architectural finishes |
| Certification | ANSI/BHMA Grade 2 |
| Strike | Standard strike with optional strike box |
Why Choose the Sargent 479 Series?
The Sargent 479 Series Thumbturn Deadbolt is a smart solution for interior and light commercial doors where simple privacy and security are needed without exterior access. With Grade 2 durability, inside-only operation, and easy installation, it’s a dependable and cost-effective choice for closets, storage rooms, and residential spaces.
Manufacturer Resources
Product Specs
- Series:
- 470 Series
- Grade:
- Grade 2
- Keyed:
- No
- Subcategory:
- Deadbolts
- Keyed Function:
- Non-Keyed
- Product Type:
- Deadbolts
- Commercial/Residential:
- Commercial
- Lock Function:
- One-Sided
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Deadbolts
- Duty Level:
- Standard Duty
- Product Attribute:
- Deadbolts
- Product Function:
- One-Sided
- Door Hand Direction:
- Non-Handed
- Product Category:
- Mechanical Locks