Irwin Blades - 3-1/2" Diam, Hole Saw - Bi-Metal Saw, Toothed Edge
Item #: 57825887
Brand: Irwin Blades
Model #: 373312BX
Exact Tooling IR#: 04
Features and Benefits
Bi-metal blades feature a toothed edge made from high speed steel (HSS) attached to a flexible steel backing through an electron-beam welding process. This configuration results in a blade that makes precise cuts while resisting breakage. They are used on ferrous and non-ferrous metals.
Toothed edge saws are composed of a row of pointed teeth. Common tooth variations include the number of teeth per inch and pitch pattern.
| Product Specifications | |
|---|---|
| Saw Diameter (mm) | 88.90 |
| Saw Diameter (Decimal Inch) | 3.5000 |
| Saw Diameter (Inch) | 3-1/2 |
| Saw Material | Bi-Metal |
| Cutting Edge Style | Toothed Edge |
| Material Application | Aluminum; Brass; Cast Iron; Mild Steel; Stainless Steel; Steel; Tool Steel |
| Teeth Per Inch | 4.5/5.5 |
| Product/Model Number Compatibility | 373003; 373004 |
| Pitch Pattern | Variable |
| Shank Cross-Section Shape | Hex |
| Shank Size (Inch) | 3/8 |
| Recommended RPM | (Aluminum) 145; (Brass) 130; (Cast Iron) 65; (Steel & Mild Steel) 95; (Tool & Stainless Steel) 45 |
| Material Grade | 1008 |
| Shank Size (Decimal Inch) | 0.3750; 0.5000 |
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