Blade Specifications and Materials
The different blade part numbers you listed correspond to specific cutting angles and intended material thicknesses. The blades are generally made from durable tungsten carbide for long life.
|
Part Number |
Blade Type |
Cutting Angle |
Material Compatibility (Examples) |
Max. Material Thickness |
|
Drag Knife |
55° |
Sandblast stencil, textile, felt, cardboard, thick materials |
up to 0.032″ (0.8 mm) |
|
|
Drag Knife |
36° |
Normal/thin vinyls, masking films, self-adhesive foil |
up to 0.010″ (0.25 mm) |
|
|
Tangential Knife |
60° |
Sandblast stencil, thick materials like rubber, felt, cardboard |
up to 0.047″ (1.2 mm) |
|
|
Drag Knife |
60° |
Sandblast stencil, textile, felt, cardboard |
up to 0.02″ (0.5 mm) |
|
|
Tangential Knife |
36° |
Normal/thin vinyls, masking films, detail lettering |
up to 0.010″ (0.25 mm) |
- Tangential Blades (390-series): These blades are mechanically oriented by the cutter head, which allows for sharper corners and more precise cuts, especially in thicker materials.
- Drag Blades (391-series): These blades swivel freely as the cutter moves and are used in D-series and S Class D-series cutters for general purpose cutting.
- Durability: Genuine Summa carbide blades maintain a sharp edge significantly longer than less expensive steel alternatives, often lasting 10 to 50 times longer.
- Compatibility: Ensure you use the correct blade holder for the specific blade type (e.g., drag blades in T-series cutters require a specific drag blade holder, part #395-323).
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