Zund Z50 Z51 Z52 Rotary Knife Blade For Zund Cutting Leather

Zund Z50, Z51, and Z52 are decagonal (10‑sided) tungsten‑carbide rotary knife blades commonly used on Zund flatbed cutters (DRT/PRT) and compatible systems for cutting leather and other flexible materials. They differ mainly in diameter and maximum cutting depth, which affects how thick a leather stack you can process in one pass.

Basic specifications

· Z50: about 25 mm diameter, 0.6–0.63 mm thick, maximum cutting depth around 3.5 mm; suitable for leather, composite textiles, felt, and similar flexible materials.

· Z51: around 28 mm diameter, 0.6 mm thick, maximum cutting depth about 5 mm; same application range as Z50 but allows slightly thicker material and overcut.

· Z52: about 32 mm diameter, 0.6–0.63 mm thick, maximum cutting depth around 7 mm; used for thicker or multi‑layer materials such as leather, composites, carpets, and technical textiles.

Size and depth table

Use on leather

· All three models are marketed as suitable for cutting leather and similar flexible sheet materials on Zund digital cutters and compatible flatbed systems.

· Choice between Z50, Z51, and Z52 usually depends on:

o Leather thickness or number of layers to cut in one pass (use Z52 for the thickest stacks).

o Required cutting force and overcut; Z50 offers higher cutting force but lower depth, while larger blades trade some force for depth.

Buying options

· Shenzhen Oyea Machinery Co., Ltd. offer compatible Z50/Z51/Z52 rotary knives in tungsten carbide, often with ISO9001 certification and MOQs (e.g., 50 pcs, around USD 6–10 per piece depending on supplier and quantity).

· When ordering, match:

o Model (Z50, Z51, Z52) and equivalent OEM part number (e.g., Z50 ≈ 3910335, Z52 ≈ 3910337).

o Material (tungsten carbide), decagonal shape, and 8 mm center hole to ensure compatibility with your Zund rotary tool.

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