What Is an ILCO Key Used For?

If you have seen "ILCO" stamped on a key, you are looking at one of the most widely used key blank brands in the locksmith industry.

What Is an ILCO Key?

An ILCO key is a key blank manufactured by ILCO. Locksmiths and hardware stores use ILCO blanks to create duplicate keys for a wide range of locks — residential, commercial and automotive. The brand is known for compatibility with many different lock brands and keyways.

How ILCO Key Numbers Work

ILCO assigns a reference number to each blank (for example, 1176 is a common Kwikset KW1-compatible blank number used across the industry). Locksmiths use these numbers, along with cross-reference catalogs, to match a customer's key to the correct blank. The ILCO Key Blank Directory is a standard reference for this.

Cutting ILCO Keys

Once you have the right blank, the key is cut on a duplicator or code machine. ILCO also makes key machines, such as the Ilco Flash 008 duplicator.

Finding the Right Blank

Match the keyway profile, blade length and bow style. When in doubt, consult a cross-reference directory or ask your supplier. Browse our most popular key blanks.

Frequently Asked Questions

Is ILCO a key brand or a lock brand?

ILCO is best known as a key blank and key machine manufacturer used by locksmiths.

Can ILCO keys be used on Kwikset or Schlage locks?

Yes. ILCO makes blanks compatible with many lock brands, including Kwikset and Schlage keyways.

How do I find the ILCO number for my key?

Use a key blank cross-reference directory or have a locksmith identify the keyway.