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The HILLMAN FASTENERS Y78 is a Yale-profile key blank sold in a 10-count bag for professional locksmiths and hardware service technicians. Each blank is an uncut key intended to be duplicated on standard key-cutting equipment to match Yale-compatible lock cylinders. The Y78 is also cross-referenced under Ilco number 998GA, making it straightforward to verify fitment against existing inventory or supplier catalogs. These blanks are packaged for counter or service-truck use, with 50 bags per master carton for shop stocking.
This key blank is suited for residential and light commercial locksmith work involving Yale-profile cylinders. Technicians who service entry doors, deadbolts, and padlocks using Yale keyways will find the Y78 a standard duplication blank. The 10-count bag format supports both single-job pulls and bench-stock replenishment. Cross-reference as Ilco 998GA simplifies ordering for shops that source blanks across multiple supplier catalogs.
Compatible with Yale-profile lock cylinders. Cross-referenced as Ilco 998GA. Designed as a duplication blank for Yale-keyway residential and light commercial locks.
Key blanks are cut by licensed locksmiths or trained hardware technicians using calibrated key-cutting machines. Verify keyway profile against the original key or cylinder before cutting. Do not attempt to fit an uncut blank directly into a live cylinder. Always confirm the cross-reference number against the cylinder manufacturer spec sheet before duplication.
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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