The only 4 in machine here that runs on a 110 V outlet. Choose it for a shop that threads large black pipe and sprinkler mains.
Amazon $3,359The BlueRock PTM-100 and the PreAsion Pipe Threading Machine are evenly matched, rated 3.1 and 3.1. The BlueRock PTM-100 leads on capacity. The PreAsion Pipe Threading Machine wins on value. The PreAsion Pipe Threading Machine costs $2,470 less ($889 vs $3,359).
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A budget multi-function machine with too little published to recommend over the VEVOR. Ask the seller for the motor and weight first.
Amazon $889Which should you buy?
- Choose the BlueRock PTM-100 for capacity (threads pipe up to 4 in vs threads pipe up to 3 in).
- Choose the PreAsion Pipe Threading Machine for value ($296.33 per inch of pipe ($889, up to 3 in) vs $839.75 per inch of pipe ($3,359, up to 4 in)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every machines pipe threading machine; a clear win is highlighted. How we rank explains each one.
| Factor weight | BlueRock PTM-100 | PreAsion Pipe Threading Machine |
|---|---|---|
| Overall rating | 3.1/5 | 3.1/5 |
| Value 30% | 37 $839.75 per inch of pipe ($3,359, up to 4 in) | 68 $296.33 per inch of pipe ($889, up to 3 in) |
| Capacity 20% | 100 threads pipe up to 4 in | 67 threads pipe up to 3 in |
| Dies 15% | 100 dies in the box cover the full range, up to 4 in | 50 dies in the box not stated (neutral score used) |
| Weight 10% | 3 392 lb | 50 weight not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| BlueRock PTM-100 | PreAsion Pipe Threading Machine | |
|---|---|---|
| Threading | ||
| Pipe range | 1/2 to 4 in | 1/2 to 3 in |
| Dies in the box | Up to 4 in | - |
| Speed | 36 rpm | - |
| Power | 1,500 W | Corded |
| In the box | ||
| Cutter | Yes | Yes |
| Reamer | Yes | Yes |
| Oil system | Yes | Yes |
| Stand or support arm | Yes | - |
| Build | ||
| Weight | 392 lb | - |
