The Ilco 1000 key blank, also identified as CO1, is commonly used for older Corbin lock systems and compatible hardware. It is a 5-pin key blank that allows locksmiths and maintenance professionals to produce accurate duplicate or replacement keys for locks using the CO1 keyway.

Manufactured from nickel-plated brass, the 1000 blank offers corrosion resistance, long-term durability, and reliable performance during key duplication. Its precision-milled profile allows for smooth cutting and dependable operation within compatible lock cylinders.

This key blank has historically been used in various Corbin locks as well as other lock brands and specialty locks, including some padlocks and utility locks, making it a commonly stocked blank for locksmith shops and maintenance departments.

Key Features:

• 5-pin key blank design

• CO1 keyway profile

• Compatible with certain Corbin lock systems

• Durable nickel-plated brass construction

• Designed for smooth and accurate key duplication

• Reliable for locksmith and maintenance applications

Applications:

• Corbin locksets

• Padlocks and specialty locks using CO1 keyway

• Commercial and institutional locks

• Replacement and duplicate key cutting

• Locksmith and facility maintenance work

Cross Reference:

Ilco: 1000

Ilco EZ: CO1

Cole: CO1

Curtis: CO-1

ESP: CO1

Jet: CO1

JMA: COR-82

Silca: CB45R

Taylor: 20