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  3. KWIKSET C616178115

KWIKSET C616178115 Deadbolt Lock Square Exterior Keyed Front 96600-857 Door

C616178115 Kwikset 660 Deadbolt Lock Matte Black Square Exterior Keyed Front Entry Door

( Brand: Kwikset ), ( Manufacturer Part Number: C616178115 ), ( Model: 96600-857 ), ( Items Included: Key ), ( Product Dimensions: 1.06 X 2.44 X 2.44 Inches ), ( Suitable For: Front Door ), ( Style : Traditional ), ( Unit Type: Unit ), ( Item Height: 2.44 ), ( Style: Contemporary ), ( Throw Length: 1.06 ), ( Features: Weather Resistant ), ( Finish: Matte ), ( Pattern: New Latch ), ( Model Name: 600 Deadbolt Series ), ( Color: Black ), ( Material: Metal ), ( Mounting: Door ), ( Item Weight : 1.22 Pounds ), ( Type: Deadbolt )

Review KWIKSET 660 Deadbolt Lock Matte Black Square Exterior Keyed Front Entry Door

The **Kwikset C616178115 660 Deadbolt Lock** is a premium, high-security exterior keyed deadbolt designed to enhance the protection and aesthetic appeal of your front door. Engineered with Kwikset s signature reliability and craftsmanship, this deadbolt features a sleek, square exterior profile that seamlessly integrates with modern and traditional door styles, offering both functionality and a polished finish. Constructed from durable die-cast zinc alloy, the lock is built to withstand daily use while resisting wear and corrosion, ensuring long-lasting performance even in varying weather conditions. Its **660 series** designation signifies a robust security standard, incorporating a **one-piece deadbolt cylinder** that resists drilling, picking, and bumping ideal for homeowners prioritizing both convenience and peace of mind. The lock operates smoothly with a single-action mechanism, requiring minimal effort to engage or disengage, while its **square exterior design** provides a clean, flush look that complements contemporary door hardware. Compatible with a wide range of door thicknesses (typically 1 " to 2"), the Kwikset 660 deadbolt is backed by Kwikset s reputation for ease of installation, offering a straightforward mounting process that can be completed with basic tools. Whether you re upgrading an existing lock for enhanced security or installing a new deadbolt for a fresh, cohesive look, this model delivers a perfect blend of security, durability, and timeless style.

### Pros and Cons of buying a Kwikset C616178115 660 Deadbolt Lock

#### **Pros:**

1. **Durability and Security** The Kwikset 660 is a well-regarded deadbolt known for its sturdy construction and resistance to forced entry. It features a heavy-duty strike plate and a solid metal interior, making it a reliable choice for home security.

2. **Easy Installation** This lock is designed for straightforward installation, even for those with basic DIY skills. Kwikset provides clear instructions, and the lock is compatible with standard door prep, reducing the need for extensive modifications.

3. **Keyed Alike or Keyed Different Options** The lock allows for flexibility in keying. You can choose to have all locks on your property keyed alike (using the same key) or keyed differently (each lock has its own key), depending on your security needs.

4. **Weather Resistance** The exterior-grade materials are resistant to rust and corrosion, making it suitable for outdoor use. This ensures longevity, especially in varying weather conditions.

5. **Compatibility with Smart Home Systems** While this specific model is a traditional mechanical deadbolt, Kwikset offers compatible smart home accessories (like the Kevo or SmartKey systems) that can be added later if you decide to upgrade to a smart lock.

6. **Affordable Price** Compared to high-end security locks, the Kwikset 660 offers strong security at a reasonable cost, making it a budget-friendly option without sacrificing quality.

7. **Aesthetic Appeal** The square exterior design provides a classic look that blends well with many door styles, enhancing the overall appearance of your home s entryway.

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#### **Cons:**

1. **Mechanical Only (No Smart Features)** Unlike smart deadbolts, this lock does not offer remote access, voice control, or automation via apps. If you prioritize smart home integration, you may need to invest in additional hardware later.

2. **Limited Tamper Resistance** While durable, the Kwikset 660 is not as resistant to drilling or picking as high-end security locks (e.g., those with anti-sawing or anti-drilling features). For maximum security, consider adding a strike plate with longer screws.

3. **Key Management Challenges** If you lose the key, rekeying the lock may require professional help, depending on your skill level. Additionally, managing multiple keys can be inconvenient if you have many locks.

4. **No Battery Backup** Since it s a mechanical lock, it won t function if power is lost (though this is less of an issue for deadbolts, which are typically not power-dependent).

5. **Potential for Misalignment** Over time, doors can warp or shift, leading to misalignment of the deadbolt. This may require occasional adjustments to ensure smooth operation.

6. **No Built-in Audit Trail** Unlike smart locks, this model doesn t log entry attempts or provide alerts for forced access, making it harder to detect security breaches.

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### **Conclusion:**

The Kwikset C616178115 660 deadbolt is a solid, reliable choice for homeowners seeking a balance between security, ease of installation, and affordability. It excels in durability, weather resistance, and simplicity, making it ideal for those who prioritize a traditional, no-frills deadbolt. However, if you require smart features, advanced security measures, or remote monitoring, you may need to explore alternative options.

### **Recommendation:**

If your primary goals are **basic security, ease of installation, and a classic look**, the Kwikset 660 is an excellent and cost-effective choice. Pair it with a **longer strike plate and high-security screws** to enhance its resistance to forced entry. For added convenience, consider installing a **keyless entry system (like a keypad or smart lock) on the interior side** of the door.

If you anticipate needing **smart home integration, remote access, or advanced security features** in the future, you might want to invest in a smart deadbolt upfront or plan to upgrade later. Otherwise, the Kwikset 660 provides a dependable foundation for your door s security.

Details:

Recommended for exterior-facing doors. Kwikset 660 Deadbolt Lock, Matte Black Square Exterior Keyed Front Entry Door, Pick Resistant Smart Key Reek Security, Single Cylinder Dead Bolt: About this item: KEYED DEADBOLT: Use on doors requiring a high level of security, turn piece interior locking, exterior locking using key. FITS STANDARD doors: Fits standard size doors 1-3/8 to 1-3/4 thick, latch backseat adjusts either 2-3/8 or 2-3/4 with just a twist during installation. SMARTKEY SECURITY: Kwikset Smart Key Security technology protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds.

ADJUSTABLE LATCH: With just a twist during installation, the latch backseat can be adjusted to either 2-3/8 or 2-3/4 in order fit all standard door preparations.

part #: c616178115 price

  • $51.99

specifications locsedoo:

  • brand: Kwikset
  • mpn: C616178115
  • model: 96600-857
  • items included: Key
  • product dimensions: 1.06 X 2.44 X 2.44 Inches
  • suitable for: Front Door
  • style : Traditional
  • unit type: Unit
  • item height: 2.44
  • style: Contemporary
  • throw length: 1.06
  • features: Weather Resistant
  • finish: Matte
  • pattern: New Latch
  • model name: 600 Deadbolt Series
  • color: Black
  • material: Metal
  • mounting: Door
  • item weight : 1.22 Pounds
  • type: Deadbolt

general locsedoo:

  • Building Hardware > doors Door Hardware > Door Locks Lock Mechanisms
  • condition: Open box

shipping locsedoo:

  • cost: $0.00
  • type: Calculated
  • class: Standard
  • carrier: USPS
  • transit: 3-9 Days
  • service: USPS Ground Advantage

seller locsedoo:

  • rating: 99.4%
  • # reviews: 3335
  • city: Mentor, Ohio

offer locsedoo:

  • best offers: True
  • options: Ship-to-home
  • availability: In Stock
  • started: February 4, 2026
  • sold: 0
  • quantity: 1

payments locsedoo:

  • wallet: Apple-pay
  • credit card: Diners-club
  • other

returns locsedoo:

  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted
  • paid by: Seller
items included: key, product dimensions: 1.06 x 2.44 x 2.44 inches, suitable for: front door, style: traditional, unit type: unit, item height: 2.44, style: contemporary, throw length: 1.06, features: weather resistant, finish: matte, pattern: new latch, model name: 600 deadbolt series, mounting: door, item weight: 1.22 pounds, type: deadbolt,
category: home & garden > building hardware > doors door hardware > door locks lock mechanisms, color: black, material: metal, sku: 14409965193781853,
Kwikset C616178115 Is Similar To:
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1 offer $51.99 USD
  • New. Offer #1 priced at $51.99 + $0.00 shipping estimate = $51.99* total. BOX INCLUDES: Exterior keyed deadbolt, interior turn piece, adjustable latch with round front, round corner strike, SmartKey tool, 2 Kwikset keys, and screws. Kwikset 660 Deadbolt Lock, Matte Black Square Exterior Keyed Front Entry Door, Pick Resistant SmartKey Rekey Security, Single Cylinder Dead Bolt.FREE SHIPPING

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