250mm Circular Slitting Blades for BOPP / Masking Tape Rolls
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a volume producer of high-quality large diameter circular slitter blades and flat circular machine knives. As seen in the 250mm size, these knives are the backbone of many continuous production lines, including paper, printing, packaging, and non-woven industries. Manufactured from premium High-Speed Steel (HSS) or D2 Tool Steel, our blades are subjected to strict vacuum heat treatment and precision ground paper cutting tools processes. We ensure superior edge sharpness, exceptional longevity, and precise concentricity, making them ideal long-life slitter knife replacement options for high-volume operations.
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30 daysMa'anshan Guangchuan is your source for large diameter circular slitter blades and flat circular machine knives. We supply HSS rotary cutting knives 250mm and industrial paper trimming knives with superior sharpness. Get the best long-life slitter knife replacement options, featuring precision ground paper cutting tools and custom OD/ID rotary blades.
Technical Specifications
|
Parameter |
Description |
| Material Options | HSS (M2, M42), D2 Tool Steel, SKD11, High Chrome Steel (Customizable) |
| Hardness (HRC) | 60-64 HRC (HSS); 58-62 HRC (D2); Optimized for toughness and wear) |
| Outer Diameter (OD) | Range: 100mm to 800mm (Common size: 250mm/10 inch) |
| Inner Diameter (ID) | Metric and Imperial bores (e.g., 25.4mm / 1 inch) |
| Edge Geometry | Single/Double Bevel, Bevel Angle Customizable ±0.5° |
| Tolerance | Flatness (Parallelism) ≤0.005mm; Runout ≤0.01mm |
| Application | Slitting, Trimming, Scoring, Shearing |
Main Features
Exceptional Size Range: Specialized in manufacturing and grinding large diameter circular slitter blades up to 800mm while maintaining tight tolerances.
Premium HSS Material: Our HSS rotary cutting knives 250mm offer superior wear resistance, crucial for cutting thick paper or continuous plastic films.
Flawless Finish: Every blade undergoes precision ground paper cutting tools finishing to ensure a clean, polished surface and a razor-sharp edge.
Dimensional Accuracy: Laser-etched dimensions and precise machining ensure the flat circular machine knives are perfectly aligned and interchangeable with OEM parts.
Long Service Intervals: Designed for maximum cutting cycles before requiring replacement or regrinding, acting as excellent long-life slitter knife replacement options.
Advantages
Maximum Uptime: Reduced need for frequent changes ensures minimal disruption to your continuous production lines.
Superior Cut Quality: The precise flatness and sharpness guarantee clean separation, minimizing dust, paper fuzz, and burrs.
Cost-Effective Sourcing: Direct factory supply offers competitive pricing for premium quality industrial paper trimming knives and slitter blades.
Customization Expertise: We excel at providing custom OD/ID rotary blades to perfectly match non-standard or legacy machinery.
Product Applications
Paper & Printing: Industrial paper trimming knives, slitter knives for rewinder/slitters, and core cutters.
Film & Foil: Slitting and perforating knives for plastic films, adhesive tapes, and aluminum foil.
Textile: Round knives for fabric and non-woven material cutting.
Standard Sizes: We stock common OD/ID combinations.
Custom Service: We welcome inquiries for specific custom OD/ID rotary blades or special material requirements.
Why Choose Us
Mass Production Precision: Capacity to deliver high volumes of large diameter circular slitter blades consistently, meeting global manufacturing demands.
Metallurgical Control: Complete control over the material selection (HSS, D2) and vacuum heat treatment for optimal performance.
Decades of Experience: Long-standing expertise in supplying reliable flat circular machine knives to the world's leading paper and converting companies.
ISO Certified Quality: Strict quality management ensures every HSS rotary cutting knives $250mm$ meets international standards.
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