What size for those holes, I got M8 and it feels tighten up more than suppose to beThe base XL only comes with 4 tie-downs. I added 4 more. I used an aftermarket tie-down on the side wall rear at the TOP similar to the one already installed by Ford. For the ones on the FLOOR towards the front I used a flip anchor ring. I’ll leave a link to all these parts below.
You’ll need a tap wrench with bits that can cut M6-1.0 and M8-1.25. See image attached for which one is which. I can confirm that my job was done 100% correctly and that I used M8-1.25 on the front end floor holes even though Ford says they are M6-1.0. Don’t listen to them. They’re flat-ass wrong.
You’ll also need 4 hex bolts that are 20mm long and match the M6-1.0 on side wall holes, as well as 4 hex bolts that are 20mm long and match the M8-1.25 floor holes.
Ford uses nylon or plastic washers on the side wall tie-downs between the tie-downs and the bed. Seems odd to me since washers typically go under the bolt. Anyway, I included ones that match the specs Ford used. I didn’t use any washers on the floor flip ring anchors.
One tip when tapping the threads is to use some oil. I used WD40. Im sure somebody will criticize that but it worked fine. Also make sure to be as straight as possible when cutting and go in reverse a little bit every time you make a full turn. Blow out the holes with compressed air afterwards to remove metal shavings. Wear goggles or close your eyes!
I didn’t put anything on the side walls where the optional rail goes on higher trims. Some people put in eye bolts but I don’t like that idea since they can turn easily when torque is applied and they’re not as stable. But those pre-tapped holes are M8-1.25 if you’re planning on adding something.
Good luck and enjoy your Maverick
LIST OF PARTS:
Tie-downs for side wall rear:
https://www.amazon.com/dp/B07M5W1VJ8?ref=ppx_pop_mob_ap_share
Flip anchor rings for floor:
https://www.autozone.com/tie-down-a...rest-black-1-200lbs-anchor-2-pack/1204154_0_0
M6-1.0 20mm hex bolts for side wall tie-downs:
https://www.amazon.com/dp/B0DHKZ6H7Q?ref=ppx_pop_mob_ap_share
M8-1.25 20mm hex bolts for flip anchor rings on bed floor:
https://www.amazon.com/dp/B0BWY37CDF?ref=ppx_pop_mob_ap_share
Nylon washers for side wall rear tie-downs:
https://www.amazon.com/dp/B0BS5L49NH?ref=ppx_pop_mob_ap_share
Tap wrench:
https://a.co/d/hjkromf
M6-1.0 tap:
https://a.co/d/cHRZFQ8
M8-1.25 tap:
https://a.co/d/9NMaSgX
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