
B657 – Circular Rotary Blades – OLFA Compatible
OLFA Compatible — 18mm / 28mm / 45mm / 60mm
OLFA compatible B657 circular rotary blades in 18mm, 28mm, 45mm and 60mm diameters. Stainless and high carbon steel options. Professional rotary blades for fabric, leather, paper and hobby applications.
- Fully compatible with OLFA rotary cutters
- Stainless steel models (RB18, PRB18) — corrosion resistant
- High carbon steel models (RB28, RB45, RB60) — superior sharpness
- 18mm, 28mm, 45mm and 60mm diameter options
Technical Specifications
Why This Product?
Full OLFA Compatibility
Direct fit to OLFA rotary cutter handles with no adapter required
Wide Diameter Range
Four different sizes from 18mm detail cutting to 60mm large-scale cuts
Material Options
Stainless steel and high carbon steel choices to suit every application
Perforation Cutting Option
PRB18 model with 8 perforation channels creates perforated cut lines
Applications
Detailed Information
The B657 series circular rotary blades are manufactured to be fully compatible with OLFA rotary cutters, delivering professional-grade cutting performance. Available in both high carbon steel and stainless steel options to suit different cutting requirements.
Model Options
- RB18-2 (18mm, Stainless): Hex hole mount, ideal for precision detail cutting. Made from stainless steel.
- RB28-10 (28mm): 3-notch mounting system, suitable for medium-sized cutting tasks.
- RB45-10 (45mm): 3-notch mount, the most commonly used rotary blade size. Standard choice for fabric and leather cutting.
- RB60-1 (60mm): 3-notch mount, designed for large diameter cuts and thick materials.
- PRB18-2 (18mm, Perforating, Stainless): 8 perforation channels for creating perforated cut lines. Made from stainless steel.
Applications
Widely used in textile and garment workshops for fabric cutting, precision cutting in the leather industry, straight line cutting on paper and cardboard, and hobby applications such as patchwork, quilting and scrapbooking.
Technical Specifications
The RB18 and PRB18 models are made from stainless steel, providing moisture and corrosion resistance. The RB28, RB45 and RB60 models are made from high carbon steel, delivering superior cutting performance. All models fit directly onto OLFA rotary cutter handles.