The biggest advantage of the kwikset 660 door lock is the fact that it features smartkey technology.
Ssecurity grade 3 door locks.
Smartkey security gives you one key convenience re key your locks yourself so all your doors share one key.
Tested to withstand 1 million opening and closing cycles.
What is lock grade 3.
These deadbolts are almost identical to grade 3 deadbolts.
Grade 3 locks are acceptable on secondary entry points.
Aaa 19 ansi grade 1 best 254 ansi grade 2 better 328 ansi grade 3 good 456 n a 475 door handing.
Grade 1 door locks are the highest level of ansi ratings for locks.
1 inch latch bolt can withstand 10.
The size of the latch bolt is 5 8 of an inch and the deadbolt will hold up against two strikes of 75 pounds of force.
It should be considered basic door hardware for non high security situations and is the least expensive.
Pairing it with a locking door handle is an option for increasing home security further.
Homes on the other hand can use grades 1 through 3 all depending on the amount of security they want.
It is also the common lock you will find on homes.
For interior doors a business can also use a grade 2 lock.
So if you already have an existing door lock you can key the kwikset 660 to match in a matter of moments.
Get free shipping on qualified ansi grade 1 best door locks or buy online pick up in store today in the hardware department.
It must withstand 800 000 opening and closing cycles 6 door strikes where a lock must withstand being banged at with a.
It factors in longevity of the lock toughness and latch length.
For entry doors homeowners may want to use a grade 1 lock to achieve maximum security.
Please consult a locksmith when evaluating ansi grade 3 for residential security needs.
It features an ansi grade 3 security rating.
This grading system ranges from 1 the highest grade to 3 the lowest grade.
These locks are mostly intended for commercial security door locks.
Lock grade 3 is the least secure of the three lock grades.
Though most homes use grades 2 and 3.
However it s important to note that ansi grade 3 is higher quality than ordinary non ansi locks.
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If you have lock grade 3 on your home you really should consider upgrading to grade 2 or taking your locks.
These deadbolts are tested to withstand 800 000 openings and closings.
Grade 1 usually used on commericial applications or where the toughest most secure locks are needed.
Kwikset is a secure door lock industry leader innovator in home safety with keyless entry and re keying technology for residential and commercial door hardware.
To qualify as a grade 1 commercial door lock a lock must go through rigorous testing.
