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“ difference between grades ”

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Resolution: 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 are ANSI BHMA hardware grades?

Resolution: 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?

Resolution: The B600, B700, and B800 are all grade 1 heavy duty commercial deadbolts.:

What grade of stainless steel do we use in the levers on L9000 locks?

Resolution: 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.: