
( Brand: Medeco ), ( Manufacturer Part Number: D11-200-00-US3 ), ( Model: D11-200-US3 ), ( Type: Deadbolt ), ( Items Included: Key, Hardware, Instructions, Control Key ), ( Color: Gold ), ( Fixings Supplied: Yes ), ( Material: Brass, Chrome, Stainless Steel ), ( Cross Bore Diameter: 2 1/8 ), ( Suitable For: Residential, Commercial, Front Door ), ( Mounting: Universal ), ( Door Handing: Universal/reversible ), ( Item Height: 8 In ), ( Throw Length: 1 In ), ( Features: With Key, Easy To Install, High Security, Interchangeable Core ), ( Ansi Grade: Ansi Grade 1 ), ( Finish: Polished Brass ), ( Country Of Origin: United States )
The **Medeco D11-200-US3** is a premium, high-security deadbolt designed to deliver unparalleled protection for residential and commercial properties, setting a new standard in lock security with its advanced anti-pick, anti-drill, and anti-bypass technology. Engineered by Medeco, a leader in security solutions, this single-cylinder deadbolt features the company s proprietary **D-Series** keyway, which incorporates a **contoured key profile** that resists manipulation by tools, picks, or even specialized locksmith devices. The **FSIC (Full-Spin Immobilization Control)** mechanism ensures that the key cannot be inserted or removed while the bolt is extended, preventing forced entry attempts from being completed mid-operation. This deadbolt is built with a **high-grade steel core** and reinforced strike plate, providing exceptional resistance against drilling, prying, and even high-impact attacks, making it ideal for homeowners and businesses seeking maximum security without compromising on durability. The **US3 keyway** is part of Medeco s **D-Series**, which is widely recognized for its resistance to locksmithing tools and unauthorized duplication, offering peace of mind for those who prioritize security above all else. Whether installed on a residential door or a commercial entrance, the D11-200-US3 combines sleek, modern aesthetics with robust engineering, ensuring both style and substance in protection. Its **single-cylinder design** allows for easy installation with a standard keyhole, while its **durable zinc alloy construction** ensures longevity even in harsh environmental conditions. For those who demand the highest level of security, the Medeco D11-200-US3 is an indispensable choice, offering a blend of innovation, reliability, and unmatched resistance against unauthorized access.
### **Pros and Cons of buying a Medeco D11-200-US3 (Single High-Security Deadbolt)**
#### **Pros**
1. **High Security Features** The Medeco D11 is a premium deadbolt designed with advanced security mechanisms, including a **patented keyway** that resists picking, drilling, and bumping. It is **ANSI/BHMA Grade 1 certified**, the highest security rating available for residential locks.
2. **Durability and Build Quality** Medeco locks are known for their **robust construction**, often made from hardened steel and brass components. This ensures long-term reliability, even in harsh weather conditions.
3. **Key Control and Customization** Medeco offers **key control programs**, meaning only authorized locksmiths or Medeco dealers can duplicate keys, reducing the risk of unauthorized access. The **US3 keyway** is unique to Medeco, making it harder for thieves to bypass with generic tools.
4. **Resistance to Common Attack Methods**
- **Picking Resistance** The keyway s design makes traditional picking difficult.
- **Drilling Resistance** The bolt and strike plate are reinforced to deter drilling attempts.
- **Bumping Resistance** Unlike many standard locks, Medeco deadbolts are less susceptible to bumping techniques.
- **Sawing Resistance** The hardened steel components make cutting through the lock time-consuming.
5. **Weather Resistance** The **cont op (continuous operation)** feature allows the deadbolt to be locked and unlocked from the inside without removing the key, which is useful in extreme weather where hands may be cold or wet.
6. **Compatibility with Smart Home Systems** While not natively smart, Medeco deadbolts can be integrated with **smart locks or keyless entry systems** (e.g., Schlage, Kwikset smart locks) that support Medeco keyways.
7. **Long-Term Value** Due to its security and durability, a Medeco deadbolt can last **decades**, making it a cost-effective investment compared to lower-grade locks that may fail or need replacement sooner.
8. **Professional Installation Recommended** Medeco deadbolts are often installed by **licensed locksmiths**, ensuring proper alignment and security. This adds an extra layer of assurance for homeowners.
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#### **Cons**
1. **Higher Upfront Cost** Medeco deadbolts are **significantly more expensive** than standard deadbolts (e.g., Schlage or Kwikset). The D11 series typically costs **$150 $300 **, depending on installation and keying options.
2. **Limited Keyway Availability** The **US3 keyway** is proprietary to Medeco, meaning:- **Fewer locksmiths** can service or duplicate keys compared to more common keyways.
- **Replacement keys** may require ordering from Medeco directly or an authorized dealer.
- **Travel or rental properties** may have difficulty finding compatible locks.
3. **Complex Installation** Due to its high-security features, installation requires **precise drilling and alignment**. DIY installation is **not recommended**, as improper fitting can compromise security or cause operational issues.
4. **Key Loss Risks** If the key is lost, **rekeying or replacement** can be costly and time-consuming. Some models may require **cutting a new key from a master key**, which adds expense.
5. **Overkill for Average Security Needs** If you live in a **low-crime area** or a home with **other high-security measures** (e.g., reinforced doors, security cameras, alarm systems), the extra cost of a Medeco may not be justified.
6. **Potential for Over-Reliance** Some homeowners may **neglect other security measures** (e.g., window locks, door reinforcement) if they assume the Medeco deadbolt alone will protect their home. Security is **multi-layered**, and no single lock guarantees 100% protection.
7. **Maintenance Requirements** Like any high-end lock, the Medeco D11 may require **periodic lubrication** of moving parts to ensure smooth operation. Neglecting maintenance could lead to **sticking or failure** over time.
8. **Resale Value Impact** While not a major concern, some buyers may prefer **more common lock brands** (e.g., Schlage, Kwikset) when selling a home, potentially making the Medeco deadbolt a **lesser selling point** unless marketed as a premium security feature.
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### **Conclusion**
The **Medeco D11-200-US3** is one of the **most secure residential deadbolts** available, offering superior protection against picking, drilling, bumping, and other common attack methods. Its **high build quality, durability, and key control** make it an excellent choice for **high-security homes, valuables storage, or properties in high-crime areas**. However, the **higher cost, limited keyway support, and complex installation** may not justify the investment for everyone.
**If you prioritize security above all else and can afford the premium price, the Medeco D11 is an outstanding long-term solution.** For homeowners on a budget or in low-risk areas, a **mid-range Grade 1 deadbolt (e.g., Schlage Premier or Kwikset 990)** may provide **similar security at a fraction of the cost** without sacrificing too much protection.
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### **Recommendation**
**Buy the Medeco D11-200-US3 if:**You live in a **high-crime area** or have **high-value assets** (e.g., jewelry, cash, collectibles) that require maximum protection.
You are **willing to invest in the best security available** and can afford the higher cost.
You plan to **keep the lock long-term** (10 years), as the upfront expense is justified by its longevity.
You have a **trusted locksmith** available for installation and future key services.
**Consider an alternative (e.g., Schlage Camelot, Kwikset 990, or Yale Assure Lock) if:**You need **a more budget-friendly option** without sacrificing Grade 1 security.
You **travel frequently** or rent properties, as key availability may be an issue.
Your home already has **multiple security layers** (e.g., reinforced doors, alarms, cameras).
You prefer **simpler installation** and lower maintenance.
**Final Verdict:** The Medeco D11 is the **gold standard for high-security deadbolts**, but it is **not necessary for everyone**. Weigh your **security needs, budget, and lifestyle** before deciding. If you can afford it and need the **absolute best protection**, the Medeco is an **excellent choice**. Otherwise, a **high-quality Grade 1 deadbolt from a more accessible brand** may offer a better balance of security and practicality.
I'll include the rings to allow for convenient 2 1/8 cross bore installation rather than standard 1/2. Lock comes with 1 control key for cylinder removal and operator use.