Illinois Lock B721 Replacement Key
Key Series B600 - B799
Illinois Lock B600 - B799 - B721 Replacement Key
Illinois Lock B600 - B799 - B721 Replacement Key
Illinois B628 Lock
Illinois B721 Original Key
$8.87
Free shipping eligible
Ships free when your cart contains only free-shipping items and totals $35+.
Important: Matching the key number alone is not always enough. Confirm that Illinois Lock is the manufacturer and B721 is the exact key/lock code for your lock. The code may be located on the original key, lock face, back of the lock, key tag, or a label on or inside the equipment.
ILLINOIS (GCODE / CODES ONLINE)
KEYS CUT On 1043B KEY BLANK.
FREQUENTLY BOUGHT TOGETHER
*Add to view tier/group pricing discounts
SubTotal:$5.67
*Add to view tier/group pricing discounts
SubTotal:$5.67RECOMMENDED PRODUCTS
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Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
Free shipping not eligible
Shipping charges will apply to this item.
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What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
Candido
Oct 25, 2026
“Very easy to find what I needed. ”
Denise
Oct 24, 2026
“Seemed very easy”
Randy
Oct 24, 2026
“Good ”
Anastasia
Oct 24, 2026
“It would be helpful to have a final order to review before submitting to ensure both billing and shipping addresses are entered separately and correctly, and to confirm all details.
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John
Oct 24, 2026
“Website usefully in every way”
Janice
Oct 24, 2026
“Somehow I received the wrong key and never could talk with a person to handle this. Sending back wrong key you sent.my authorization #wasRA 519877 ”
Ryan
Oct 24, 2026
“It was so easy to order my new keys. I like the option to include pictures. It reassured me that I will get the right keys made. Thank you for a great ordering experience. ”
David
Oct 24, 2026
“PAINLESS”
Rusty
Oct 23, 2026
“Don’t have the key yet so not 100% sure it is correct but confident it is. The ordering process was straightforward. ”
Michael
Oct 23, 2026
“So far so good”
Rosetta
Oct 23, 2026
“Very user friendly and quick shipping”
Sarah
Oct 23, 2026
“Was easy to use. ”
Shawn
Oct 23, 2026
“The website was easy I was able to upload a picture. I have confidence that the keys I ordered will be correct. ”
mohammed
Oct 23, 2026
“Awesome”
Mandy
Oct 23, 2026
“The name says it all - EASY”
Forrest
Oct 22, 2026
“Easy very easy
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Stephen
Oct 22, 2026
“It has it's moments. I am not used to uploading items but I understand the security”
Christina
Oct 22, 2026
“The website was very simple and easy to use!”
Victoria
Oct 22, 2026
“Communication with the EasyKeys team was very easy to confirm what was needed before purchasing.”
Rita
Oct 22, 2026
“Easy to use. Found what I needed. Took very little time.”