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“ What are lock grades ? ”

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Question
Answer
What grade is the AL lock?
The AL lock is a Grade 2 lock ANSI/BHMA Certified A156.2-2003, Series 4000, Grade 2, UL Listed for 3-hour fire door.
What grade is the B250 and is this product UL listed?
The B250 is Grade 2 but has no UL listing due to the holdback rose.
What certifications does the B500 meet?
The B500 deadbolts meet the following certification: ANSI A156.5, 2001, Grade 2. Available UL Listed for 3-hour fire door.
What grade of stainless steel do we use in the levers on L9000 locks?
Schlage offers 629 and 630 stainless finishes on levers for the L-Series only.  These levers are made of 303 or 304 grade stainless steel.
What are ANSI BHMA hardware grades?
The American National Standards Institute (ANSI) and Builders Hardware Manufacturers Association (BHMA) have developed durability, strength and performance standards for every type of door hardware...
What grade is our B600 series of deadbolts?
The B600, B700, and B800 are all grade 1 heavy duty commercial deadbolts.
What is a Grade 1 Lock?
Grade 1 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards:   Cylindrical, Bored and Preassembled Locks & Latches   8...
What is a Grade 2 Lock?
Grade 2 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards: Cylindrical, Bored and Preassembled Locks & Latches 400,000 Certified Cycles ANSI...