How To Install A Medeco Maxum Deadbolt

Instructions on how to install the Medeco Maxum deadbolt, including installation of the provided strike plate.
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The Medeco® Maxum deadbolt exceeds Grade 1 ANSI/BHMA A156.36 standard for auxilary locks. Solid brass, free turning collar and 1/4 inch diameter mounting bolts resist wrenching, prying and hammering attacks. One inch throw hardened steel bolt resists sawing and crowbar attacks.

Hardened steel inserts and rotating pins provide drill and pick resistance in accordance with UL437 standard for safetly for key locks. The Medeco3 design offers a utility patent that provides protection against unauthorized key duplication.

The Maxum deadbolt can be ordered with a variety of different cylinder technologies.

To find a security professional near you go to and search the dealer locator by zip code.


Lois Jones says:

Where do the long black bolts go and what do you screw them in with ?

Lois Jones says:

That Allen wrench does not fit in the thick black bolts so how do you screw them in. Certainly those skinny silver colored screws that Allen wrench fits is not the only thing holding lock together. Does anyone have video of how to connect the two sides together, because I need help!!!!

Raul Rodriguez says:


mimana2 says:

super. Thank you!

Olivier Cauffopé says:

that’s a huge upgrade from a Kwikset to a Medeco Maxum great video


you installed the two stainless balls what about the two black ones ?

Brian CY says:

Two questions. Is there any downside to getting a non removable thumb knob for residential as in this video? Secondly from a security stand point would there be any need for locking lower lock? Would there be any benefit?

ganzonomy says:

is it me, or is the screws peeking out the back like that not looking good? (yes, i know that it’s supposed to go to studs in the structure, but even for a demo it looks a bit yeeks)

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