T-Mech Wire Stripper: 38 mm vs 55 mm Compared

The main difference between the T-Mech 38 mm and 55 mm wire strippers is simple: how thick is the cable you regularly process?

Both automatic models are built for consistent stripping and cleaner copper recovery, but the 55 mm model gives you more capacity for larger cable.

38 mm vs 55 mm in Plain Terms

With these T-Mech models, the size rating tells you the capacity. The 38 mm machine strips cable from 1.5 mm to 38 mm, while the 55 mm machine extends that range up to 55 mm; both start at 1.5 mm. If your work often includes thicker insulation and larger cable, the extra capacity is the key difference.

Quick Decision: Which Wire Stripper Size Should You Buy?

When the 38 mm Model Makes Sense

The 38 mm model is the better fit when your usual cable stays well below the upper limit and thicker pieces only appear occasionally. It is also a good choice if you want a smaller, easier-to-position machine for workshop or trade use, with a straightforward setup for mixed cable without paying for extra capacity you may not use.

When the 55 mm Model Makes Sense

The 55 mm model is the stronger choice when thicker cable is part of your regular workload or when you want one machine to cover more jobs with less sorting. It is also better suited to higher daily volumes, where fewer capacity-related stops mean less time lost to stopping, adjusting and restarting.

What You Get with Both Machines

Both options are fully automatic and designed for efficient insulation removal across a wide range of cable types, including T&E, armoured and FP cables. They are practical wire stripping machines for workshop and trade use.

• 2 FREE blades

• 10 pre-installed blades

• Emergency stop button for safer day-to-day use

Where the 38 mm Model Fits Best

The 38 mm model is a strong everyday machine for common insulated cable. It strips from 1.5 mm to 38 mm and runs at 30 m/min, making it suitable for steady workshop processing when you want reliable results without paying for more capacity than you need.

It is particularly well suited to standard single-core copper cable, automotive wiring and smaller power cables, where cable diameters remain comfortably within the machine's working range.

Watch-Outs: 38 mm Capacity Limits in Real Workflows

If a large share of your incoming cable is close to 38 mm, you will usually spend more time adjusting the machine for different diameters and insulation types. This is when the job becomes more fiddly, and it is also when you are more likely to see uneven cuts if the settings are not properly dialled in.

Where the 55 mm Model Fits Best

If thicker cable is routine, the 55 mm model is the safer choice because it strips from 1.5 mm to 55 mm without operating close to its limit. It also matches the 38 mm machine's 30 m/min stripping speed while being rated for higher-volume output at 600–2800 kg/day, making it better suited to heavier, more continuous processing.

Typical examples include thick industrial power cable, welding cable and larger battery cable, where the extra capacity gives you more headroom and reduces the need to work close to the machine's maximum diameter.

Throughput: What Matters More Than the Headline Number

In practice, throughput depends on workflow as much as speed. If you strip a predictable range of cable diameters, either machine can be very efficient. If your loads are mixed, especially if thicker cable appears regularly, the 55 mm model can reduce the stop-start cycle of readjusting and re-feeding, which is where time is often lost.

Blade Adjustment and Setup: Keep Stripping Clean and Minimise Copper Damage

Whichever size you choose, correct blade setup is essential for protecting your copper recovery rate. Start with a shallow setting and increase it gradually until the insulation cuts cleanly without biting into the copper. When you change cable type, diameter or insulation hardness, test on an offcut first so you can fine-tune the machine without wasting good material.

For everyday use, simple maintenance matters more than many people expect. Clean blades help prevent residue build-up that can cause drag and uneven cutting, while feeding the cable straight helps avoid rough cuts that can lead to partial stripping or scored conductors.

Common Problems and Quick Fixes

If you notice scoring on the copper, the first step is usually to reduce the blade depth and check the blades for wear or built-up residue. If the insulation is not cutting fully, increase the blade depth slightly and test again on an offcut before continuing. If the cable slips or feeds poorly, check that it is within the machine's working range and clear away any debris that could affect grip or alignment.

Jams with thicker cable can be a sign that the 38 mm machine is being pushed too close to its limit. In that case, switching to the 55 mm model, or keeping thicker cable for the higher-capacity machine, can reduce downtime and keep the process moving.

Final Takeaway

If your cable is mostly below 38 mm, the 38 mm model gives you reliable automatic stripping with a compact footprint. If thicker cable is a regular part of your work, or you want more headroom to reduce interruptions, the 55 mm model is the more flexible long-term choice.

Frequently Asked Questions

Question: How do I decide between the 38 mm and 55 mm T-Mech models?

Short answer: Base your choice on the thickest cable you regularly process. If most of your work is safely under 38 mm, the 38 mm model is compact and sufficient for the job. If thicker cable above 38 mm and up to 55 mm appears often, or you want fewer adjustment stops, choose the 55 mm model for extra headroom and smoother throughput.

Question: Do both machines strip the same types of cable at the same speed?

Short answer: Yes. Both are fully automatic, handle a wide range of cable types including T&E, armoured and FP, and run at approximately 30 m/min. The difference is capacity, up to 38 mm versus up to 55 mm, and the 55 mm model's suitability for higher daily volumes.

Question: What advantages does the 55 mm model have beyond its larger capacity?

Short answer: It reduces stop-start adjustments when processing mixed or thicker cable and is rated for higher output at 600–2800 kg/day.

Question: When would the 38 mm model be the better investment?

Short answer: When your incoming cable rarely reaches 38 mm, you want a smaller footprint and a simpler day-to-day setup, and you would rather not pay for capacity you will not use. It delivers consistent results for common workshop and trade jobs.

Question: What are the most common setup mistakes that affect copper recovery?

Short answer: Blade settings that are too deep, dirty or worn blades that create drag, and cable that is not fed straight. Start shallow and test on offcuts, clean the blades regularly and feed the cable straight. If jams occur near 38 mm on the smaller machine, that is a sign to move those runs to the 55 mm model.

If you’re interested in any of these products, take a look at our fantastic selection!