Ana içeriğe geç
B657 – Circular Rotary Blades – OLFA Compatible - B657
1 / 2
New
B657

B657 – Circular Rotary Blades – OLFA Compatible

OLFA Compatible — 18mm / 28mm / 45mm / 60mm

Premium SteelSheffield · England
ISO 9001:2015

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
📐 Available Sizes:
18 × 7/5 × 0.30 mm (RB18)28 × 7/5 × 0.30 mm (RB28)45 × 10.2/8.3 × 0.30 mm (RB45)60 × 13/10 × 0.35 mm (RB60)18 × 7/5 × 0.30 mm (PRB18 Perforating)
In Stock

Technical Specifications

MaterialHigh Carbon Steel / Stainless Steel
HardnessHRC 58-62
Diameter18mm / 28mm / 45mm / 60mm
Thickness0.30mm – 0.35mm
CompatibilityOLFA Rotary Cutter
HolesHex Hole / 3 Notches

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

Textile and fabric cutting
Leather processing
Paper and cardboard cutting
Hobby and craft applications
Patchwork and quilting

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.