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The HILLMAN FASTENERS CO89 is a Corbin-style key blank sold in a 10-count bag. It serves as a duplication blank for locksmiths, facilities maintenance technicians, and hardware professionals working with Corbin keyways. The CO89 corresponds to ILCO number A1001ABM, making it straightforward to cross-reference in standard blank catalogs. At 0.3 pounds per bag, the package is compact and easy to store at the bench or in a service kit. Each blank is uncut and ready for duplication on compatible key-cutting machines.
This blank is used in commercial and institutional locksmithing applications where Corbin cylinders are common. Facilities managers, locksmiths, and property maintenance crews typically stock this blank when servicing door hardware fitted with Corbin keyways. The 10-count bag format suits low-volume duplication jobs or topping off existing stock. Larger operations can source by the master carton, which contains 50 bags.
Designed as a replacement Corbin-profile key blank cross-referencing ILCO A1001ABM. Confirm keyway profile match against the original key or cylinder specification before duplication.
Key blanks are cut by a licensed locksmith or trained hardware professional using a compatible key-cutting machine. Verify the keyway profile visually or with a keyway gauge before cutting to avoid wasted blanks. Follow all applicable local locksmith licensing requirements when duplicating keys for restricted keyways.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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