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expired Posted by TheRazor570 • Mar 5, 2022
expired Posted by TheRazor570 • Mar 5, 2022

RIDGID 18V SubCompact Brushless 3/8" Impact Wrench (Tool Only) w/ Belt Clip

+ Free Shipping

$79

$139

43% off
Home Depot
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Deal Details
Home Depot has RIDGID 18V SubCompact Brushless Cordless 3/8" Impact Wrench (Tool Only) with Belt Clip (R87207B) on sale for $79. Shipping is free.

Thanks to Community Member TheRazor570 for finding this deal.

Key Features:
  • Brushless Motor Technology delivers more runtime, power, and longer motor life
  • 3-Speed plus auto-tightening mode provides adjustable speed and power
  • Up to 2,800 RPM and up to 225 ft./lbs. of breakaway torque
  • Best access in tight spaces at 4.31 in. in length
  • SubCompact model: ideal for tight spaces, 20% less weight and 25% more compact in comparison to RIDGID OCTANE 3/8 in. Impact Wrench R86239BN
  • 3/8 in. Friction ring for quick and easy socket changes
  • All metal gears for extended durability
  • LED Light for improved visibility in confined spaces and low light situations
  • 100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers
  • Lifetime Service Agreement with registration within 90 days of purchase
  • Includes:
    • 1x 18V SubCompact Brushless 3/8 in. Impact Wrench (R87207)
    • 1x Belt hook with screw
    • Operator's manual
      • Battery and charger sold separately

Editor's Notes

Written by Corwin | Staff
  • About this deal:
    • This price is $60 lower (43.1% savings) than the $139 list price.
  • About this product:
    • Rated 4.8 out of 5 stars at Home Depot based on over 230 customer reviews.
  • About this store:
    • View Home Depot return policy here. -StrawMan86

Original Post

Written by TheRazor570
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Home Depot has RIDGID 18V SubCompact Brushless Cordless 3/8" Impact Wrench (Tool Only) with Belt Clip (R87207B) on sale for $79. Shipping is free.

Thanks to Community Member TheRazor570 for finding this deal.

Key Features:
  • Brushless Motor Technology delivers more runtime, power, and longer motor life
  • 3-Speed plus auto-tightening mode provides adjustable speed and power
  • Up to 2,800 RPM and up to 225 ft./lbs. of breakaway torque
  • Best access in tight spaces at 4.31 in. in length
  • SubCompact model: ideal for tight spaces, 20% less weight and 25% more compact in comparison to RIDGID OCTANE 3/8 in. Impact Wrench R86239BN
  • 3/8 in. Friction ring for quick and easy socket changes
  • All metal gears for extended durability
  • LED Light for improved visibility in confined spaces and low light situations
  • 100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers
  • Lifetime Service Agreement with registration within 90 days of purchase
  • Includes:
    • 1x 18V SubCompact Brushless 3/8 in. Impact Wrench (R87207)
    • 1x Belt hook with screw
    • Operator's manual
      • Battery and charger sold separately

Editor's Notes

Written by Corwin | Staff
  • About this deal:
    • This price is $60 lower (43.1% savings) than the $139 list price.
  • About this product:
    • Rated 4.8 out of 5 stars at Home Depot based on over 230 customer reviews.
  • About this store:
    • View Home Depot return policy here. -StrawMan86

Original Post

Written by TheRazor570

Community Voting

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Top Comments

I don't know how the ridgid batteries are actually designed, but I assume there is truth in the statements that switching to some higher Ah batteries will
actually improve performance of these tools.

Speaking as someone with in depth experience with batteries, you are absolutely correct that a given Ah rating number itself doesn't really imply anything
other than charge (Coulombs) or energy capacity in a battery and even the meaning of capacity and energy involved is unclear since although these are
marketed as '18V' batteries the actual voltage fully charged and at 'empty' and in between will vary somewhat according to the particular battery design and
its age etc.

If one is designing a battery pack with a fixed nominal (e.g. mid point between empty and full voltages) output of 3.7V to get 18V you''d need 5*3.7V cells
in series connection to make the pack voltage around 18V. If you used 2Ah capacity single cells for the five in the pack then that'd be a 5-series cells * 1-paralleled cell string or "5S1P" 2Ah 18V nominal pack.

But if you wanted to make a 4Ah 18V pack then since you want to keep the voltage the same, the easiest thing is to effectively put two 2Ah 18V batteries "in parallel" so they work side by side spreading the current load evenly so that'd be the same as making a 5S2P pack since now you have a two-cell-string parallel connection and twice the total number of cells as the 2Ah pack.

Similarly a 6Ah pack could be made as a 5S3P design with three parallel strings of 5-series connected cells.

However each cell and equivalently each series string of cells has a maximum current it can put out maybe 3A give or take for example.

But when you double or triple the number of parallel connected cells the current divides evenly 2-ways or 3-ways respectively so instead of getting a
maximum of 3A for 1P, you get maximum 6A for 2P or 9A for a 3P pack cell arrangement.

Low voltage motors need more power at heavy loads and since the battery pack voltage won't increase -- if anything it droops at high loads, what is
needed is more current, but there's a maximum of say 3A per series connected cell string there. But the 4Ah pack having 2P might have a
peak current of 2*3A and the 6Ah pack might have a peak current of 3*3A because of the paralleled cell count so actually the 4Ah or 6Ah etc. packs
can put out double or triple the current & power as the 2Ah pack can under the heaviest loads because of the parallel cells.

That, I believe, is why when tests like 'torque channel' or others on youtube review impact wrenches they sometimes show the capability with different
battery capacities because it does, in fact, substantially increase the maximum load endurance / power of the unit to use a higher capacity pack since
the pack is ALSO higher current capability.
I've been waiting for a deal for a kit with one of these and will need to wait longer since I don't have Ridgid batteries. The battery kit [homedepot.com] is on sale for $100 but $180 all-in is still a bit rich for me. $100 with a single 2.0 AH battery and charger would hit the spot.

68 Comments

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Mar 5, 2022
48 Posts
Joined Aug 2015
Mar 5, 2022
motoboy66
Mar 5, 2022
48 Posts
In for 1. Have been using my 1/2 with a reducer.
Mar 5, 2022
42 Posts
Joined Oct 2014
Mar 5, 2022
YnOTn0W
Mar 5, 2022
42 Posts
Highly recommend this impact. Put an adapter on it for screw bits and no need to own an impact driver and wrench. Youtube vid tested it at 250 lbs with the 2 ah battery. 450lbs with a larger bat.
4
Mar 5, 2022
48 Posts
Joined Aug 2015
Mar 5, 2022
motoboy66
Mar 5, 2022
48 Posts
Quote from YnOTn0W :
Highly recommend this impact. Put an adapter on it for screw bits and no need to own an impact driver and wrench. Youtube vid tested it at 250 lbs with the 2 ah battery. 450lbs with a larger bat.
How long is it? I use a regular 1/4 impact for car work, but with the adapter to 3/8 it gets very long. I was thinking this would shorter. Now just need a 3/8 and 1/4 battery ratchet from Ridgid.
Mar 5, 2022
42 Posts
Joined Oct 2014
Mar 5, 2022
YnOTn0W
Mar 5, 2022
42 Posts
Quote from motoboy66 :
How long is it? I use a regular 1/4 impact for car work, but with the adapter to 3/8 it gets very long. I was thinking this would shorter. Now just need a 3/8 and 1/4 battery ratchet from Ridgid.

Specs are on HD in the link posted. It is a subcompact and shorter. I intentionally bought an impact wrench to use as a driver. Rather than an impact driver to use as an impact wrench. Also, I did a hack last year to get this $81. $80 with no hack is good.
3
Mar 5, 2022
12,343 Posts
Joined Jan 2007
Mar 5, 2022
MadPup
Mar 5, 2022
12,343 Posts
I've been waiting for a deal for a kit with one of these and will need to wait longer since I don't have Ridgid batteries. The battery kit [homedepot.com] is on sale for $100 but $180 all-in is still a bit rich for me. $100 with a single 2.0 AH battery and charger would hit the spot.
Last edited by MadPup March 5, 2022 at 09:26 AM.
Mar 5, 2022
125 Posts
Joined Oct 2017
Mar 5, 2022
JGVentura
Mar 5, 2022
125 Posts
Quote from YnOTn0W :
Highly recommend this impact. Put an adapter on it for screw bits and no need to own an impact driver and wrench. Youtube vid tested it at 250 lbs with the 2 ah battery. 450lbs with a larger bat.
Which YouTube video? Torque test channel tested it and it came up pretty short, no pun intended. Regardless, I still bought one today to replace my 13 year old 14.4v NiCad snap on 3/8" impact gun, thanks OP!
Mar 5, 2022
3,236 Posts
Joined Dec 2005
Mar 5, 2022
Mr. Sparkles
Mar 5, 2022
3,236 Posts
Quote from JGVentura :
Which YouTube video? Torque test channel tested it and it came up pretty short, no pun intended. Regardless, I still bought one today to replace my 13 year old 14.4v NiCad snap on 3/8" impact gun, thanks OP!
Best to think of this along the lines of a 12V-class impact wrench. It is smaller than most 12V and beats most 12V—because it isn't 12V.
1

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Mar 6, 2022
42 Posts
Joined Oct 2014
Mar 6, 2022
YnOTn0W
Mar 6, 2022
42 Posts
Quote from JGVentura :
Which YouTube video? Torque test channel tested it and it came up pretty short, no pun intended. Regardless, I still bought one today to replace my 13 year old 14.4v NiCad snap on 3/8" impact gun, thanks OP!

Yeah, Ive seen that test also. It is designed to have only so much fastening tq. High and mid fastening tq does not make much sense for a sub compact 3/8" drive.

https://youtu.be/-zoNy5s_lhs?t=668


Given its physical size, its not the tool for mid and high tq applications. I can feel a bit more power using a 4ah instead of a 2ah. Typical of brushless tools. Larger battery, more power. Also, the same guy tests it with a 2ah @ 250 lbs.
Last edited by YnOTn0W March 5, 2022 at 04:32 PM.
Original Poster
Mar 6, 2022
17 Posts
Joined Oct 2013
Mar 6, 2022
TheRazor570
Original Poster
Mar 6, 2022
17 Posts
I have the high torque 1/2 impact. So the way I looked at it was more of speed to take off some screws/bolts that are already broken free and the compact head to squeeze in some tighter areas. Keep in mind that the battery is standard size and actually makes the base wider. One last thing .. not trying to insult anyone but more amp hours does not improve performance just adds a longer run time. The 3ah octane batteries may help with performance as they have a higher output (if you can find them). Just think of amp hours as a gas tank not engine size or torque.
7
Mar 6, 2022
666 Posts
Joined Jun 2008
Mar 6, 2022
QuixoticOne
Mar 6, 2022
666 Posts

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

I don't know how the ridgid batteries are actually designed, but I assume there is truth in the statements that switching to some higher Ah batteries will
actually improve performance of these tools.

Speaking as someone with in depth experience with batteries, you are absolutely correct that a given Ah rating number itself doesn't really imply anything
other than charge (Coulombs) or energy capacity in a battery and even the meaning of capacity and energy involved is unclear since although these are
marketed as '18V' batteries the actual voltage fully charged and at 'empty' and in between will vary somewhat according to the particular battery design and
its age etc.

If one is designing a battery pack with a fixed nominal (e.g. mid point between empty and full voltages) output of 3.7V to get 18V you''d need 5*3.7V cells
in series connection to make the pack voltage around 18V. If you used 2Ah capacity single cells for the five in the pack then that'd be a 5-series cells * 1-paralleled cell string or "5S1P" 2Ah 18V nominal pack.

But if you wanted to make a 4Ah 18V pack then since you want to keep the voltage the same, the easiest thing is to effectively put two 2Ah 18V batteries "in parallel" so they work side by side spreading the current load evenly so that'd be the same as making a 5S2P pack since now you have a two-cell-string parallel connection and twice the total number of cells as the 2Ah pack.

Similarly a 6Ah pack could be made as a 5S3P design with three parallel strings of 5-series connected cells.

However each cell and equivalently each series string of cells has a maximum current it can put out maybe 3A give or take for example.

But when you double or triple the number of parallel connected cells the current divides evenly 2-ways or 3-ways respectively so instead of getting a
maximum of 3A for 1P, you get maximum 6A for 2P or 9A for a 3P pack cell arrangement.

Low voltage motors need more power at heavy loads and since the battery pack voltage won't increase -- if anything it droops at high loads, what is
needed is more current, but there's a maximum of say 3A per series connected cell string there. But the 4Ah pack having 2P might have a
peak current of 2*3A and the 6Ah pack might have a peak current of 3*3A because of the paralleled cell count so actually the 4Ah or 6Ah etc. packs
can put out double or triple the current & power as the 2Ah pack can under the heaviest loads because of the parallel cells.

That, I believe, is why when tests like 'torque channel' or others on youtube review impact wrenches they sometimes show the capability with different
battery capacities because it does, in fact, substantially increase the maximum load endurance / power of the unit to use a higher capacity pack since
the pack is ALSO higher current capability.


Quote from TheRazor570 :
I have the high torque 1/2 impact. So the way I looked at it was more of speed to take off some screws/bolts that are already broken free and the compact head to squeeze in some tighter areas. Keep in mind that the battery is standard size and actually makes the base wider. One last thing .. not trying to insult anyone but more amp hours does not improve performance just adds a longer run time. The 3ah octane batteries may help with performance as they have a higher output (if you can find them). Just think of amp hours as a gas tank not engine size or torque.
Last edited by QuixoticOne March 5, 2022 at 08:42 PM.
5
Mar 6, 2022
125 Posts
Joined Oct 2017
Mar 6, 2022
JGVentura
Mar 6, 2022
125 Posts
What I don't understand is how can the Milwaukee M12 fuel subcompact 3/8 impact be rated for 250ft lbs and this 18v brushless Ridgid is only rated at 225ft lbs...
Mar 6, 2022
213 Posts
Joined Sep 2019
Mar 6, 2022
JesusSavesEternally
Mar 6, 2022
213 Posts
Quote from MadPup :
I've been waiting for a deal for a kit with one of these and will need to wait longer since I don't have Ridgid batteries. The battery kit [homedepot.com] is on sale for $100 but $180 all-in is still a bit rich for me. $100 with a single 2.0 AH battery and charger would hit the spot.
Direct tools outlet is running a promotion on batteries right now. Buy 1 tool get two batteries. Also, theres a few tool/battery deals going on at hd also (hand planer, router, etc)
Mar 6, 2022
155 Posts
Joined Nov 2018
Mar 6, 2022
PatrickW8464
Mar 6, 2022
155 Posts
Quote from QuixoticOne :
I don't know how the ridgid batteries are actually designed, but I assume there is truth in the statements that switching to some higher Ah batteries will
actually improve performance of these tools.

Speaking as someone with in depth experience with batteries, you are absolutely correct that a given Ah rating number itself doesn't really imply anything
other than charge (Coulombs) or energy capacity in a battery and even the meaning of capacity and energy involved is unclear since although these are
marketed as '18V' batteries the actual voltage fully charged and at 'empty' and in between will vary somewhat according to the particular battery design and
its age etc.

If one is designing a battery pack with a fixed nominal (e.g. mid point between empty and full voltages) output of 3.7V to get 18V you''d need 5*3.7V cells
in series connection to make the pack voltage around 18V. If you used 2Ah capacity single cells for the five in the pack then that'd be a 5-series cells * 1-paralleled cell string or "5S1P" 2Ah 18V nominal pack.

But if you wanted to make a 4Ah 18V pack then since you want to keep the voltage the same, the easiest thing is to effectively put two 2Ah 18V batteries "in parallel" so they work side by side spreading the current load evenly so that'd be the same as making a 5S2P pack since now you have a two-cell-string parallel connection and twice the total number of cells as the 2Ah pack.

Similarly a 6Ah pack could be made as a 5S3P design with three parallel strings of 5-series connected cells.

However each cell and equivalently each series string of cells has a maximum current it can put out maybe 3A give or take for example.

But when you double or triple the number of parallel connected cells the current divides evenly 2-ways or 3-ways respectively so instead of getting a
maximum of 3A for 1P, you get maximum 6A for 2P or 9A for a 3P pack cell arrangement.

Low voltage motors need more power at heavy loads and since the battery pack voltage won't increase -- if anything it droops at high loads, what is
needed is more current, but there's a maximum of say 3A per series connected cell string there. But the 4Ah pack having 2P might have a
peak current of 2*3A and the 6Ah pack might have a peak current of 3*3A because of the paralleled cell count so actually the 4Ah or 6Ah etc. packs
can put out double or triple the current & power as the 2Ah pack can under the heaviest loads because of the parallel cells.

That, I believe, is why when tests like 'torque channel' or others on youtube review impact wrenches they sometimes show the capability with different
battery capacities because it does, in fact, substantially increase the maximum load endurance / power of the unit to use a higher capacity pack since
the pack is ALSO higher current capability.
Coulombs isn't the energy capacity, it's the output vs capacity, 1C for a 2ah battery would be 2a, 1C for a 4ah battery would be 4a, 2C for a 2ah battery would be 4a etc
1
Mar 6, 2022
42 Posts
Joined Oct 2014
Mar 6, 2022
YnOTn0W
Mar 6, 2022
42 Posts
Quote from TheRazor570 :
I have the high torque 1/2 impact. So the way I looked at it was more of speed to take off some screws/bolts that are already broken free and the compact head to squeeze in some tighter areas. Keep in mind that the battery is standard size and actually makes the base wider. One last thing .. not trying to insult anyone but more amp hours does not improve performance just adds a longer run time. The 3ah octane batteries may help with performance as they have a higher output (if you can find them). Just think of amp hours as a gas tank not engine size or torque.
Cant insult a person when they are right Smilie This has been discussed before on SD. Many know it to be true. Others are learning.


Plenty of youtube tests prove a larger battery with "brushless" tools does increase power and run time. The vid tool tester I posted originally tested the 3/8 subcompact in another vid @250lbs with a 2ah bat.. With the 6ah bat in the vid I posted it tested @ 450 lbs.

I can feel the increased power using a 1.5ah or a 2ah compared to a 4ah in brushless drill, impact wrench, recip saw...
Last edited by YnOTn0W March 6, 2022 at 06:35 AM.

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Mar 6, 2022
300 Posts
Joined Mar 2012
Mar 6, 2022
steeduhh46gt
Mar 6, 2022
300 Posts
Dang... waiting for a brushless 3/8 impact to pop up with a battery for around $100.
2

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