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Order duplicate or replacement keys

Superior Interlock's Key Interlock Systems are proudly made in the U.S.A.

Superior Interlock accepts MasterCard for all purchases!

Superior Interlock accepts Visa for all purchases!

Superior Interlock Corporation - Key Interlocks System Manufacturer

Duplicate Key Ordering

Duplicate keys are not necessary for a key interlock system to operate with its designed safeguards. The introduction of duplicate keys into a key interlock system defeats the protections of the system. The user must be aware that duplicate keys must be safeguarded by supervisory personnel and only used to replace broken keys. Any duplicate keys provided to facilitate installation must be removed by the installer before the equipment is activated.

We must ask you, prior to our supplying such extra equipment, to recognize that Superior Interlock Corporation is not liable for misuse of spare or duplicate keys, parts or master keys which might result in death or injury to any person, both employees or third parties.

Please complete and sign the DUPLICATE KEY REQUEST FORM. The completed and signed form can be emailed to or mailed.

Duplicate Keys are $20.00 each plus shipping. We ship via UPS ground, prepay, and add to invoice unless otherwise specified. We can also ship via most carriers on your account number. We ship from our factory in Glendale, NY. We accept Visa, MasterCard and American Express. For credit cards, we require the statement billing address. (not the 3 digit code on back) For security purposes, please feel free to call the credit card info in.

Once the form has been received by Superior, your order for duplicate keys will be promptly processed.

Should you have any questions please contact us.

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Phone: (718) 821-8949