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expired Posted by phoinix | Staff • Feb 22, 2024
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expired Posted by phoinix | Staff • Feb 22, 2024

Irwin Bi-Metal Door Lock Installation Kit for Metal & Wood Doors

$15

$23

34% off
Amazon
15 Comments 24,424 Views
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Deal Details
Amazon has Irwin Bi-Metal Door Lock Installation Kit (3111002, Blue) for $14.91. Shipping is free w/ Prime or on orders of $35+.
  • Note: Usually ships within 1 to 2 months
Thanks to Community Member phoinix for finding this deal.

Features:
  • Makes precisely installing door handles and locksets in any blank door fast and simple
  • Includes bi-metal hole saws for metal and wood doors, bolt plate template and router bit
  • Adjustable for both 2-3/8 inch and 2-3/4 inch backsets
  • Fits all interior and exterior doors
  • Self centering jig fits all common door widths

Editor's Notes

Written by jimmytx | Staff
  • About this Store:
  • Additional Information:
    • This offer is $8 less (35% savings) than the 90-day median price of $22.91.
    • Rated 4.1 out of 5 stars on Amazon based on over 940 customer reviews.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by phoinix | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has Irwin Bi-Metal Door Lock Installation Kit (3111002, Blue) for $14.91. Shipping is free w/ Prime or on orders of $35+.
  • Note: Usually ships within 1 to 2 months
Thanks to Community Member phoinix for finding this deal.

Features:
  • Makes precisely installing door handles and locksets in any blank door fast and simple
  • Includes bi-metal hole saws for metal and wood doors, bolt plate template and router bit
  • Adjustable for both 2-3/8 inch and 2-3/4 inch backsets
  • Fits all interior and exterior doors
  • Self centering jig fits all common door widths

Editor's Notes

Written by jimmytx | Staff
  • About this Store:
  • Additional Information:
    • This offer is $8 less (35% savings) than the 90-day median price of $22.91.
    • Rated 4.1 out of 5 stars on Amazon based on over 940 customer reviews.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by phoinix | Staff

Community Voting

Deal Score
+19
Good Deal
Visit Amazon

Price Intelligence

Model: IRWIN Tools Door Lock Installation Kit, Bi-Metal (3111002),Blue

Deal History 

Sort: Most Recent
Post Date Sold By Sale Price Activity
03/11/24Amazon$15
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Current Prices

Sort: Lowest to Highest | Last Updated 7/14/2025, 11:11 AM
Sold By Sale Price
Amazon$31.99

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Top Comments

dplane
3812 Posts
429 Reputation
These things aren't terrible if you re only doing a door or two but if you're doing more than that I'd get something a lot more solid. Its easy to damage this or not have it fully aligned properly if you're trying to move fast. Wouldn't use plastic like this to drill into something very tough like metal.

14 Comments

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Feb 23, 2024
3,812 Posts
Joined Oct 2007
Feb 23, 2024
dplane
Feb 23, 2024
3,812 Posts

Our community has rated this post as helpful. If you agree, why not thank dplane

These things aren't terrible if you re only doing a door or two but if you're doing more than that I'd get something a lot more solid. Its easy to damage this or not have it fully aligned properly if you're trying to move fast. Wouldn't use plastic like this to drill into something very tough like metal.
2
1
Feb 24, 2024
422 Posts
Joined Dec 2019
Feb 24, 2024
Dvaren
Feb 24, 2024
422 Posts
Quote from dplane :
These things aren't terrible if you re only doing a door or two but if you're doing more than that I'd get something a lot more solid. Its easy to damage this or not have it fully aligned properly if you're trying to move fast. Wouldn't use plastic like this to drill into something very tough like metal.
Amen to that. For such a simple jig I don't understand why the better metal ones are hundreds of dollars. It's ridiculous
1
Feb 24, 2024
993 Posts
Joined May 2006
Feb 24, 2024
checkthat
Feb 24, 2024
993 Posts
Yea the hole saw just cuts through the plastic guide. And the bit broke after using it for 2 doors.
Feb 24, 2024
942 Posts
Joined Dec 2007
Feb 24, 2024
Diplomat
Feb 24, 2024
942 Posts

Our community has rated this post as helpful. If you agree, why not thank Diplomat

Used this on 6 hardwood doors a few years ago. The best advice I could share is to take the doors down and do this on saw horses for the face sides. Then do the bolt side with them either stood up on the hinge side (hinge removed) or elevated to eye level. Take your time on the bolt side with the router work. I learned the hard way and had to fine tune the first door. Not to mention having to keeping the door in place when on hinges in a pain.

The plastic cuttout for the holes is ok. However, the router template need to be made of metal IMO. Again, taking the doors down allows better control of power tools and less risk of damaging the guide.
3
Feb 24, 2024
71 Posts
Joined Jun 2017
Feb 24, 2024
tltran7312
Feb 24, 2024
71 Posts
Do doors normally come with cut out holes for locks or do you need a kit like this to make the cut out?
Feb 25, 2024
58 Posts
Joined Nov 2019
Feb 25, 2024
HilariousCrow9061
Feb 25, 2024
58 Posts
Quote from tltran7312 :
Do doors normally come with cut out holes for locks or do you need a kit like this to make the cut out?
Well, somebody has to cut the hole out at some point, my guy
4
Feb 25, 2024
386 Posts
Joined Jan 2019
Feb 25, 2024
LeeJ2539
Feb 25, 2024
386 Posts
Quote from tltran7312 :
Do doors normally come with cut out holes for locks or do you need a kit like this to make the cut out?
You can buy them pre "bored" it makes the slab $5 more at Home Depot. It's definitely worth the extra $5 if you can get away with using the existing strike plate on the door frame.

Not only is the hole for the door knob already cut, but the hole for the latch is also cut. Sometimes, they're not perfect, so I check before I get them to the jobsite.

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Feb 25, 2024
387 Posts
Joined Nov 2017
Feb 25, 2024
460X
Feb 25, 2024
387 Posts
Quote from tltran7312 :
Do doors normally come with cut out holes for locks or do you need a kit like this to make the cut out?
No if buying just the slab/door so installer can be sure to align it properly. If buying with the jamb that's pre-hunged with hinges then it's comes pre-drilled.
Feb 25, 2024
953 Posts
Joined Feb 2010
Feb 25, 2024
ZenNuts
Feb 25, 2024
953 Posts
I got another cheap one from Amazon to enlarge old doors hole so I can use modern lockset. Worked on one door but doesn't fit a thicker door. There's no where in the description saying what thickness door it works on.
2
Feb 25, 2024
657 Posts
Joined Nov 2004
Feb 25, 2024
adrenalinemedic
Feb 25, 2024
657 Posts
Quote from ZenNuts :
I got another cheap one from Amazon to enlarge old doors hole so I can use modern lockset. Worked on one door but doesn't fit a thicker door. There's no where in the description saying what thickness door it works on.
What does that have to do with this specific product?
Feb 25, 2024
2,093 Posts
Joined Nov 2017
Feb 25, 2024
twiggy_alien_man
Feb 25, 2024
2,093 Posts
Quote from tltran7312 :
Do doors normally come with cut out holes for locks or do you need a kit like this to make the cut out?
The answer is yes and no.

There are doors without the hole. Then there are also doors that have a hole.

However, if you're replacing an existing door and the strike plate is already cut into the door jam, you better hope if you buy a pre-drilled door the hole is centered where the strike plate is.

Best bet is get a door without a hole, one of these guides, then use the hole saw on one side, drill about halfway through the door, then go on the opposite side and use the hole saw to drill through the remaining half.

Bunch of YouTube videos online showing what to do.

Will also need to use a router or chisel for the hinges.

It's a whole process.

Side note:
Harbor freight has something similar to this. However, it's $10:

https://www.harborfreight.com/doo...97296.html
Last edited by twiggy_alien_man February 25, 2024 at 12:13 AM.
Feb 25, 2024
2,093 Posts
Joined Nov 2017
Feb 25, 2024
twiggy_alien_man
Feb 25, 2024
2,093 Posts
Quote from checkthat :
Yea the hole saw just cuts through the plastic guide. And the bit broke after using it for 2 doors.
Generally the arbor costs at least $10 by itself.

Same for the each of the hole saws.

So of course you're going to get bottom of the barrel quality with a kit like this, when buying the arbor and the two hole saws would otherwise cost you $30+ by themselves if bought separately.
Last edited by twiggy_alien_man February 25, 2024 at 12:28 AM.
Feb 26, 2024
1,121 Posts
Joined Oct 2013
Feb 26, 2024
muscletone
Feb 26, 2024
1,121 Posts
While we're on the topic of cheap tools for a couple of uses, how about this https://www.amazon.com/gp/product...U83S&psc=1 for $10 with a 5% coupon? This one is only for wooden doors. I only need to install a deadbolt on an existing door and handles and deadbolt on a new door.
1
Mar 13, 2024
4,752 Posts
Joined Aug 2009
Mar 13, 2024
tomwil
Mar 13, 2024
4,752 Posts
Back in stock for $14.91.

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