DOUBLE KEY DEADBOLT MANUALS
Call our office at 61 or request a quote online.In a prior life, when I worked on aircraft, we used to say that the maintenance manuals were written in blood. Since 1973, we have been the go-to locksmith for local residents and business owners. We are also specialized in more advanced keyless and electronic access control systems. Our services include lock installation, repair, and replacement. If you’re seeking to secure your residence or commercial business, talk with the locksmith experts at Great Valley Lockshop, in Chester County, Pennsylvania. Reliable Residential & Commercial Locksmith Services Learn about a growing security risk for homeowners with cylinder locks: Lock Bumping. However, you can lower the risk of a break-in by using double-cylinder locks and deadbolts. It should be noted that no lock is 100% guaranteed to protect your home or business from intruders.
While they can withstand 800,000 cycles, it is only certified to resist two strikes with 75 pounds of force. Grade 3ĭouble-cylinder locks in the grade 3 category are generally used as an additional security measure. This is typically used for residential applications it can stand up to 800,000 cycles and five strikes using 75 pounds of force. Grade 1 locks is tested to ensure that it withstands a million cycles, and 10 strikes with 75 pounds of force. This is often used for commercial applications. For the most secure result, look for a lock where the bolt is be made of hardened steel, a minimum of 1 in. The highest grade is 1, and the lowest grade is 3. The ANSI grading system is based on three factors: material strength, latch length and durability of the lock product. Home and business owners should verify the American Nation Standards Institute (ANSI) grade of the door lock. Purchasing a high-quality lock product and installing it properly are two important steps in effectively increasing the level of security. Determining Quality & Security of Double-Cylinder Locks These locks can be purchased both with, or without, a deadbolt. Customers can choose styles with either single-cylinder or double-cylinder mechanisms. Sargent deadbolts are engineered and built with top-quality materials to provide maximum security, performance, and durability. And it comes with locking technology to protect against unauthorized duplication. Its hardened steel bolt in heavy-gauge steel provides maximum protection from forced entry. It’s highly resistant to hammering and prying with its hardened steel inserts and rotating pins. The Medeco Maxum residential deadbolt is rated as ANSI grade 1. Kwikset, Medeco and Sargent are leading manufacturers of reliable, high-quality double-cylinder locks. With double-cylinder locks, it’s crucial that an extra key is kept handy in case occupants need to exit the building in an emergency. One important disadvantage is the extra safety concern. Replacing single-cylinder locks with double-cylinder models may reduce successful break-ins by 50% or more. Without a button lock mechanism, intruders cannot unlock the door manually. This is a significant weakness in terms of commercial break-ins and residential burglaries.ĭouble-cylinder locks are an extra layer of protection for home and business security.
DOUBLE KEY DEADBOLT WINDOWS
That’s because doors with adjacent windows or glass panels can be broken, allowing intruders to reach inside and unlock the door manually. The main advantage of installing double-cylinder locks is enhanced security. A double-cylinder has an interior cylinder body as well and a keyed lock on the interior knob. This diagram depicts a single-cylinder lock. This means that a home or business owner would need to use a key to engage or retract the lock bolt even from the inside. A single-cylinder device can be locked and unlocked by simply turning or pushing the thumb lock on the inside knob this engages or detracts the bolt.ĭouble-cylinder locksets are keyed on both sides they function with a key from both the exterior and the interior of the door. Single-cylinder locksets are locked and unlocked using a key on the exterior side of the door, but they don’t require a key for locking or unlocking on the interior side. Reliable Residential & Commercial Locksmith Services.
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