Best Blades for Cutting Metal Roofing
Metal roofing requires blades that deliver clean cuts, stay cool, and resist wear. This guide highlights top blades designed for steel roofing, metal siding, and related ferrous applications. Each listing includes how the blade performs on metal, its durability, and what kinds of cuts you can expect, helping you pick the right tool for efficient, accurate work.
| Product | Brand | Key Strength | Blade Size / Teeth |
|---|---|---|---|
| Diablo Steel Demon Cermet II Saw Blade with Triple Chip Grind | Diablo | Durable Cermet II teeth, cooler cuts, fast throughput | 7-1/4″, 48 TCG |
| Norske Tools NCSBP210 6-1/2″ 48T | Norske | High performance on steel roofing, reduces overfeeding | 6-1/2″, 48T |
| Diablo 7-1/4″ x 70-Teeth Steel Demon Carbide | Diablo | TiCo carbide, clean, precise cuts | 7-1/4″, 70T |
| Norske Tools NCSBP216 10″ 72T | Norske | High performance for steel roofing and more | 10″, 72T |
| Benchmark Abrasives TCT 6 1/2″ 48T | Benchmark Abrasives | Tungsten carbide tipped for durable, precise cuts | 6-1/2″, 48T |
The following sections detail each product’s capabilities, practical use cases, and what to consider when selecting a blade for metal roofing projects. All information reflects the features listed by manufacturers and retailers.
Diablo Steel Demon Cermet II 7-1/4″ Blade
This Diablo blade features Cermet II teeth for enhanced durability and heat resistance. It delivers cooler cuts and longer life than standard grinding discs, reducing downtime for blade changes. Expect faster cuts with a circular saw, improving overall productivity on metal roofing tasks.
Norske Tools NCSBP210 6-1/2″ Blade
Designed for steel roofing and metal siding, this blade uses a 0° hook angle to reduce overfeeding, jamming, and kickback. Its 6-1/2″ size with 48 teeth makes it suitable for controlled, steady cuts in metal panels and other structural components.
Diablo 7-1/4″ 70-Teeth Steel Demon Carbide
This blade uses TiCo Hi-Density carbide for fast, burr-free cuts in thin metals like 12-gauge steel or thinner. The Triple Chip Grind reduces heat and sparks, and stabilizer vents help keep the blade cool and stable for straight cuts crucial in metal roofing applications.
Norske Tools NCSBP216 10″ 72T
This larger 10″ blade with 72 teeth provides high performance across steel roofing, siding, pipes, and studs. The 0° hook angle helps minimize overfeeding and kickback, supporting safer, accurate cuts on metal structures.
Benchmark Abrasives TCT 6 1/2″ 48T
A versatile tungsten carbide tipped blade designed for metal cutting with burr-free results. The 6-1/2″ size fits many miter and circular saw setups, offering durable performance on steel roofing and related ferrous materials while maintaining precise cuts.
Buying Guide: Key Considerations For Metal Roofing Blades
- Material compatibility: For metal roofing, prioritize blades designed for steel and stainless steel, with carbide or cermet teeth for long life under heat.
- Tooth geometry and count: Higher tooth counts yield smoother cuts but may slow aggressiveness. For metal siding and studs, 48–72 teeth are common; 70+ teeth are ideal for thin metal to reduce burrs.
- Kerf and arbor: Check kerf width (.061″–.075″) and arbor size (5/8″) to match your saw. A wider kerf can cut faster but uses more material; thinner kerf reduces waste and requires precise handling.
- Heat management: Cooler-cut technology minimizes discoloration and workpiece heating. Look for features like carbide blends, stabilizer vents, or cermet coatings.
- Durability vs downtime: Blades with longer life reduce downtime for changes. Cermet II and TiCo carbide blades often deliver longer service life in metal cutting tasks.
- Application scope: For general steel roofing, a mid-range blade with robust carbide tips performs well; for thinner metals or precise cuts, choose a higher tooth count blade with stabilizers.
- Compatibility: Ensure the blade fits your circular saw’s diameter and RPM rating. Lower RPMs can dull blades faster if not matched to the blade’s design.
- Safety and technique: Use proper PPE, secure workpieces, and avoid forcing a blade through metal. Let the blade do the work with steady pressure.