CompX Chicago HMX300 - HMX500
Replacement Keys
HMX300 - HMX500 Key
HMX300 - HMX500 Key
1st Key $12.87 / Duplicate Keys $8.87
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Order your CompX Chicago HMX300 - HMX500 replacement file cabinet, desk or cubicle keys by selecting your lock code below. The lock code determines the correct key for your lock and will be stamped on your key or the face of your lock if you have lost your keys.
LOOKUP GCODE, CUT TGRSHARK2 | TUBULAR KEY
KEYS CUT On D137-CLC KEY BLANK.
Complete CompX Chicago HMX300 - HMX500 Lock Code List
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Want it delivered Thursday, May 14, 2026? Order by 5pm
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Wednesday, May 13, 2026
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What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
Loren
May 12, 2026
“Quick and simple. Thank you.”
Robert
May 12, 2026
“good service”
James
May 12, 2026
“Ordering from EasyKeys is all in the name, "Easy"! Used the "contact us" feature as well for assurance that I was ordering the correct items and that was super helpful. Highly recommend EasyKeys.”
Steve
May 12, 2026
“I ordered a key but looks like you are sending locks instead. ”
Michael
May 12, 2026
“Looking up the key seemed easy, but the checkout process was not user friendly.”
Kyle
May 12, 2026
“Easy!!!”
Vickie
May 12, 2026
“Very helpful in finding the let’s I needed ”
Santander
May 12, 2026
“very good”
Charles
May 12, 2026
“Fantastic experience. Detailed and thorough.”
Bernard
May 12, 2026
“Great”
Lisa
May 11, 2026
“Great experience”
Ross
May 11, 2026
“Best site and customer service in the bidness . Mighty Fine🤠”
David
May 11, 2026
“fast and easy”
Chris
May 11, 2026
“easy”
Lisa
May 11, 2026
“Simple and easy like I like”
Adam
May 11, 2026
“Easy to use! Keys work great. ”
Joel
May 11, 2026
“Great”
Brent
May 11, 2026
“Replacing a lost mail box key. The ordering experience was amazingly simple. I liked the added security of having to upload a photo of the key and my Driver License. Can't wait to try the new key!”
Joe
May 11, 2026
“quick and easy”
James
May 10, 2026
“Easy quick service ”