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Features

  • Heavy-duty proven performance.
  • Lightweight, portable design.
  • Fast transport and set-up.
  • Self-contained oil system with adjustable flow control.
  • Versatility for threading and grooving.
  • Quiet operation.

Specifications

Pipe Capacity 1/8" - 2" (3mm-50mm).
Bolt Capacity 1/4" - 2" (6mm-50mm).
Motor Control Heavy-duty rotary forward/off/reverse and integral foot switch.
Chuck Hammer-type with replaceable, rocker-action jaw inserts.
Oiling System Through-the-head, with integral oil reservoir with self-priming, constant-flow, gerotor pump.

Ordering Information

{{model}}
Catalog Number Model No. Description Die Head RPM Voltage (V) Frequency (Hz) Phase Motor Type Amp Draw (A) Power Weight
lb. kg
66947 300 Compact  1/2" - 2" NPT Hammer Chuck  811A  36  115  50 - 60  Universal  15  1/2 HP  115  52.3  Buy Now
  • 70835 - Nu-Clear Oil
  • 97065 - 811A 1/8” - 2” NPT Die Head, Self-Opening, RH
  • 34612 - Reamer, Model 344
  • 42370 - 360 Cutter Assy
  • 47745 - 1/2" - 3/4" Universal Alloy Die Set
  • 47750 - 1" - 2" Universal Alloy Die Set
  • 46030 - 3/16" Hex Key
  • 46015 - Key, Hex 5/32
  • 46045 - 5/16" Hex Key
67182 300 Compact Kit  1/2" - 2" NPT Hammer Chuck w/ 250 Folding Wheel Stand  811A  36  115  50 - 60  Universal  15  1/2 HP  160  72.7  Buy Now
  • 70835 - Nu-Clear Oil
  • 97065 - 811A 1/8” - 2” NPT Die Head, Self-Opening, RH
  • 34612 - Reamer, Model 344
  • 42370 - 360 Cutter Assy
  • 47745 - 1/2" - 3/4" Universal Alloy Die Set
  • 47750 - 1" - 2" Universal Alloy Die Set
  • 46030 - 3/16" Hex Key
  • 46015 - Key, Hex 5/32
  • 46045 - 5/16" Hex Key
  • 67657 - Folding Stand F/NA
73447 300 Compact  * 1/2" - 2" NPT Hammer Chuck  811A  52  115  50 - 60  Universal  18  1/2 HP  115  52.3  Buy Now
  • 70835 - Nu-Clear Oil
  • 97065 - 811A 1/8” - 2” NPT Die Head, Self-Opening, RH
  • 34612 - Reamer, Model 344
  • 42370 - 360 Cutter Assy
  • 47745 - 1/2" - 3/4" Universal Alloy Die Set
  • 47750 - 1" - 2" Universal Alloy Die Set
  • 46030 - 3/16" Hex Key
  • 46015 - Key, Hex 5/32
  • 46045 - 5/16" Hex Key
75602 300 Compact Kit  * 1/2" - 2" NPT Hammer Chuck w/ 250 Folding Wheel Stand  811A  52  115  50 - 60  Universal  18  1/2 HP  160  72.7  Buy Now
  • 70835 - Nu-Clear Oil
  • 97065 - 811A 1/8” - 2” NPT Die Head, Self-Opening, RH
  • 34612 - Reamer, Model 344
  • 42370 - 360 Cutter Assy
  • 47745 - 1/2" - 3/4" Universal Alloy Die Set
  • 47750 - 1" - 2" Universal Alloy Die Set
  • 46030 - 3/16" Hex Key
  • 46015 - Key, Hex 5/32
  • 46045 - 5/16" Hex Key
  • 67657 - Folding Stand F/NA
58752 300 Compact  1/2" - 2" BSPT Hammer Chuck (Australia)  811A  36  230  50 - 60  Universal  7.5  1/2 HP  115  52.3  Buy Now
  • 70835 - Nu-Clear Oil
  • 34612 - Reamer, Model 344
  • 42370 - 360 Cutter Assy
  • 46030 - 3/16" Hex Key
  • 46015 - Key, Hex 5/32
  • 46045 - 5/16" Hex Key
  • 66665 - 1/2" - 3/4'' universal alloy set
  • 66670 - 1-2'' universal alloy set
  • 97070 - 811A 1/8” - 2” BSPT Die Head, Self-Opening, RH
58757 300 Compact  1/2" - 2" NPT Hammer Chuck (Export Only)  811A  36  230  50 - 60  Universal  7.5  1700 W  115  52.3  Buy Now
  • 34612 - Reamer, Model 344
  • 42370 - 360 Cutter Assy
  • 47745 - 1/2" - 3/4" Universal Alloy Die Set
  • 47750 - 1" - 2" Universal Alloy Die Set
  • 97075 - 815A 1/8" - 2" NPT Die Head, Self-Opening, RH
20 AMP, 115V circuit required.
Die Heads
{{model}}
Catalog Number Model No. Description Weight
lb. kg
84537 816  816 1/8” - 3/4” NPT Die Head, Semi-Automatic, RH  13  5.9  Buy Now
97045 531  531 1/4"-1"Bolt Die Head Quick-Open R.H./L.H.   7 1/2  3.4  Buy Now
97050 532  532 1-1/8"-2"Bolt Die Head Quick-Open R.H./L.H.   4.1  Buy Now
97065 811A  811A 1/8” - 2” NPT Die Head, Self-Opening, RH  13  5.7  Buy Now
97075 815A  815A 1/8" - 2" NPT Die Head, Self-Opening, RH  13  5.9  Buy Now
84532 817  817 1” - 2” NPT Die Head, Semi-Automatic, RH  13  5.9  Buy Now
97070 811A  811A 1/8” - 2” BSPT Die Head, Self-Opening, RH  12 1/2  5.7  Buy Now
97080 815A  815A 1/8" - 2" BSPT Die Head, Self-Opening, RH  13  5.9  Buy Now
Accessories

{{model}}
Catalog Number Model No. Description Weight
lb. kg
51005 819  819 Nipple Chuck Complete, 1/2" - 2" NPT  10 1/2  4.8  Buy Now
  • 51020 - Nipple Chuck Wrench
  • Insert, nipple chuck
  • 68165 - 1/2'' BSPT Adapter
  • 68170 - 3/4'' BSPT Adapter
  • 68175 - 1'' BSPT Adapter
  • 68180 - 1 1/4'' BSPT Adapter
  • 68185 - 1 1/2'' BSPT Adapter
67662   Adapter Bracket for 300 Compact  30  13.6  Buy Now
67657 250  Folding Stand F/NA  45  21.0  Buy Now
Stands
{{model}}
Catalog Number Model No. Description Weight
lb. kg
67657 250  Folding Stand F/NA  45  21.0  Buy Now
92457 100A  100A Universal Leg & Tray Stand  75  34.5  Buy Now
92462 150A  150A Universal Wheel & Tray Stand  103  46.7  Buy Now
92467 200A  200A Universal Wheel & Cabinet Stand  104  47.2  Buy Now
22563 Steel Cabinet (200A)  42  19.3  Buy Now
Frequently Purchased Dies and Die Heads
{{model}}
Catalog Number Description
36890 1/2" NPT 00-R Die Head  Buy Now
36895 3/4" NPT 00-R Die Head  Buy Now
36900 1" NPT 00-R Die Head  Buy Now
37390 1/2" NPT 12-R Die Head  Buy Now
37395 3/4" NPT 12-R Die Head  Buy Now
37400 1" NPT 12-R Die Head  Buy Now
37405 1-1/4" NPT 12-R Die Head  Buy Now
37410 1-1/2" NPT 12-R Die Head  Buy Now
37415 2" NPT 12-R Die Head  Buy Now
37490 12R 1" NPT HIGH SPEED COMPLETE DIE HEAD  Buy Now
37505 12R 2" NPT HIGH SPEED COMPLETE DIE HEAD  Buy Now
37825 12R ½” NPT DIES  Buy Now
37830 12R 3/4” NPT DIES  Buy Now
37835 12R 1” NPT DIES  Buy Now
37840 12R 1-1/4” NPT DIES  Buy Now
37845 12R 1-1/2” NPT DIES  Buy Now
37850 12R 2” NPT DIES  Buy Now
37870 12R ½” NPT HIGH SPEED DIES  Buy Now
37875 12R 3/4” HIGH SPEED NPT DIES  Buy Now
37880 12R 1” NPT HIGH SPEED DIES  Buy Now
37885 12R 1-1/4” HIGH SPEED NPT DIES  Buy Now
37890 12R 1-1/2” HIGH SPEED NPT DIES  Buy Now
37895 12R 2” NPT HIGH SPEED DIES  Buy Now
Model 300 Compact Threading Machine is rated 4.9 out of 5 by 10.
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Rated 5 out of 5 by from easy to use I have had and USED this machine .It very easy to use. I would recommend this product to anyone wanting to get it.
Date published: 2015-08-11
Rated 5 out of 5 by from If this machine is as great as its predecessor it will be a great machine. This is the second one of these we have had. I have been at Indiana State University for 35 years and the Model 300 Compact Threading Machine we are replacing has been at the university longer than I. It is a great machine. Jim Gregg
Date published: 2014-12-16
Rated 5 out of 5 by from We especially enjoy the portability. We went from (and still own) the model 690 portable on all our smaller jobs, although a very robust and easy to manage tool it becomes tiresome with all the details of clamping, cutting and threading. The 300 compact has reignited our passion for pipe threading with its ease of use. The only draw back is during transport the sump leaks oil in the vehicle. Not sure if we are missing some details, we believe we are inserting the sump blank off plate properly. We have tried elevating the handle end and oil still finds it's way onto the floor in the Van. If this is the only problem we experience I am certain we will fabricate a nice support stand and call things good.
Date published: 2014-12-14
Rated 5 out of 5 by from Excellent portable machine for the price! Great machine in a compact package made to be moved around and used in the field with ease.
Date published: 2014-11-29
Rated 5 out of 5 by from The product is perfect hands down There is no complaints about anything, beats anything else on the market, and its getting what you pay for. Worth it
Date published: 2014-11-28
Rated 5 out of 5 by from Construction Superintendent We are an Industrial Refrigeration contractor and have used Ridgid piping equipment exclusively since my apprentice days.... some 41 years ago. Your product lines have come a long way since the drop head die and ratchet era. All our power vises, tripods, chain vises, pipe wrenches, dies, cutters and reamer continue to be Ridgid, our only choice in tools for our industrial market. To be honest, we've never considered using anyone else's product. Keep making high quality equipment..
Date published: 2014-11-25
Rated 4 out of 5 by from a great machine, except for the plastic parts that easily get broken due to their location on the machine. for example the forward/reverse switch has been replaced about 3 times, the power and foot cord are forever coming out of the housing. other than that it runs and works like a horse.
Date published: 2014-11-25
Rated 5 out of 5 by from easiest threader to use I have own this threader for 3 years now. It's by far the best threader I've used
Date published: 2014-11-25
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Can I thread inside threads?

Have recently purchased a Model300 power threader and was wondering if I can cut inside threads and if so what I need to do so?
Asked by: Backyardguy
The model 300 is designed to curt external threads only. We do however offer a selection of manual pipe taps. They can be found at www.ridgid.com or you can contact our Technical Support Department for futher information at 888-743-4333. Thank you RIDGID
Answered by: RIDGID
Date published: 2014-09-12

What type of grease should be used on the bearings

Page 12 indicates to grease the bearing through the two grease fittings in Fig. 13, but there are no specifications for the type of grease that should be used.
Asked by: PJFREEMAN
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