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Can the B664 be used on a 2-1/8" bore?

The Schlage B664 is for 1-1/2" bore only. There is no adapter plate specifically designed for use with the B664 on a 2-1/8" bore. See function description in price book.

The 38-031 adapter plate is only certified for use on the B250 and B500 series grade 2 products. It is not certified for use on the B600 series grade 1 product.

The B664 has not been certified for use with the B600-017 security shield. Using this plate with the B664 to accommodate a 2-1/8" bore, will void any certification or warranty.


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