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Metal Cutting Saw Blade (Cold Saw): Low-Spark Cutting for Steel & Stainless
A metal cutting saw blade for cold saws uses cermet/carbide MTCG teeth to cut ferrous metals at low speed: low spark, cool cutting, no dust and a smooth cutting surface — a completely different world from abrasive chop saw wheels.
Cold Cutting vs Abrasive Cutting
| Cold saw (MTCG blade) | Abrasive chop saw | |
|---|---|---|
| Cut temperature | Cool — part stays touchable | Red-hot edge |
| Sparks & dust | Minimal | Heavy |
| Burr | Virtually none | Needs deburring |
| Cost per cut (volume) | Lower at high volume | Lower at low volume |
MTCG Tooth Geometry
The MTCG insert is an advanced version of TCG, optimized for cutting ferrous metals by using modified trapezoidal teeth for better chip flow and performance. Higher tooth tolerance delivers a cooler cutting experience with clean, neat cutting surfaces and virtually no heat, burrs and sparks.
Specifications
| Blade line | Diameters | Teeth options | Material |
|---|---|---|---|
| Ferrous metal blade | 136–455 mm | 30T–84T | Steel, iron, rebar |
| Stainless steel blade | 150–355 mm | 36T–120T | Stainless 304/316 |
Machine: metal cutting cold saw. Note: choose the right machine type and keep the workpiece clamped during cutting.
Tooth Selection
- Thin-wall tube: high tooth count (60T–120T) — keep 3+ teeth in the cut.
- Solid bar: lower count (32T–48T) for chip clearance.
- Stainless: dedicated stainless blades with geometry and grade tuned to gummy alloys.
FAQ
Can a cold saw blade go on my abrasive chop saw?
No — abrasive chop saws spin ~3,800 RPM; cold saw blades need low-RPM (typically under 1,500 RPM) high-torque machines. Never interchange.
How long does a metal cutting blade last?
Hundreds to thousands of cuts depending on material and tooth grade; blades are resharpenable, lowering long-term cost per cut.
Is the cut really cool enough to touch?
Yes — chips carry away the heat. The workpiece edge is typically warm, not hot, immediately after cutting.
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