Description
Wind tower flanges, kiln shells and big pump bases share one problem: many large bolts that all need the same load. The Snap-on PTM3300 pneumatic torque wrench brings air power to that work. It sits between the PTM2950 and the PTM4400 in the 1-1/2 in drive group of the PTM line. So it gives more headroom than the first, without the bulk of the second.
PTM3300 numbers from the Snap-on catalog
| Specification | PTM3300 |
|---|---|
| Square drive | 1-1/2 in |
| Range, ft-lb | 660-3,320 |
| Range, N·m | 900-4,500 |
| Accuracy | ±5% |
| Supplied with | Case, cranked reaction fixture, tool hanger, secondary handle, male quick connect |
Snap-on adds that every PTM tool comes with a Certificate of Calibration and a torque vs. pressure chart. Still, ask Lost in HCM to confirm the paperwork in your quote.
Choosing the Snap-on PTM3300 pneumatic torque wrench over its neighbors
Pick a tool so your usual targets fall well inside its band. For example, a 3,800 N·m joint sits near the top of the PTM2950, which stops at 4,000 N·m. The PTM3300 reaches 4,500 N·m, so the same joint has more margin. On the other hand, the PTM4400 starts at 1,200 N·m and adds size you may not need. In short, the PTM3300 suits sites whose bolt specs cluster in its middle band.
Energy and heavy industry jobs
Typical PTM3300 work includes:
- Tower section and yaw bolts on wind turbines.
- Boiler, turbine and generator base bolts at power plants.
- Mill liner and crusher bolts in cement and mining.
- Large valve and pipeline flanges in oil and gas.
Reaction gear for the PTM3300
The catalog groups the PTM3300 with the PTM4400 for reaction accessories. As a result, both tools share fixture options such as steel or aluminum cranked arms, double sided plates, weld rings and sliding reactions. That helps a fleet with both sizes, because one set of fixtures serves two tools. Before each job, check that the fixture can rest on a solid neighboring nut or lug.
Air supply and setup
The PTM3300 sets its output through air pressure, so the regulator acts as your torque dial. Snap-on lists the PTMFRL filter/regulator unit as required for PTM tools. It combines a filter and a lubricator, and its large gauge makes pressure easy to read. First, find your target on the torque vs. pressure chart. Next, set the gauge and run a trial joint. Then keep that pressure for the rest of the bolt pattern.
Safe habits on site
Use the secondary handle and trigger on every pull, since they keep hands clear of pinch points. Also, never use the PTM3300 to break loose seized bolts. Snap-on warns against that, and it notes that periodic recalibration keeps the tool accurate.
How to buy the PTM3300 in Vietnam
SMK Vietnam lists this tool for our partner Lost in HCM, who supplies it and prepares quotes. To get a price, request a quote from Lost in HCM and include your bolt sizes and torque targets. You can also browse other torque multipliers, read more on snapon.com or contact SMK Vietnam.
Snap-on PTM3300 pneumatic torque wrench FAQ
How does the PTM3300 differ from the PTM2950?
Both use a 1-1/2 in drive. However, the PTM3300 covers 900-4,500 N·m, while the PTM2950 covers 800-4,000 N·m.
Does the PTM3300 hammer like an impact wrench?
No. Snap-on describes the PTM series as non-impacting tools with low vibration.
Which unit must I add to the air line?
Plan for the Snap-on PTMFRL filter/regulator, because the catalog lists it as required for PTM tools.
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