B121 - Segmented Snap-Off Blade 18mm
18mm Snap-Off Blade — Heavy Duty SK5 Steel
SK5 high-carbon steel 18mm segmented (snap-off) utility blade. Wide-body design for heavy-duty industrial cutting. 8 snap-off points, 0.50mm thickness. Compatible with OLFA LB, LBB, LBD, LWB series and all standard 18mm utility knives. Standard, TiN-coated, extra-sharp and 15-segment variants available.
- SK5 high-carbon steel body (JIS G4401)
- 8 snap-off segments — fresh edge with each break
- 0.50mm thickness — heavy-duty industrial applications
- 0.43mm thin variant — precision cutting
Technical Specifications
Why This Product?
7 Professional Variants
Standard, thin, TiN-coated, 15-segment and OLFA-compatible options for every application.
Heavy-Duty 0.50mm
0.50mm thick profile resists bending in heavy-duty industrial cutting applications.
OLFA Compatibility
Direct-fit replacement for OLFA LB-10, LBB-50, LBD-50 and LWB-3B blade systems.
Sheffield Quality
SK5 high-carbon steel heat-treated to HRC 58-62 hardness in Sheffield, England.
Applications
Detailed Information
The B121 series 18mm segmented snap-off blades are heavy-duty cutting blades designed for industrial applications. Manufactured from SK5 high-carbon steel (JIS G4401) with HRC 58-62 hardness.
The 18mm wide body with 0.50mm thickness delivers superior bending resistance for demanding materials like cardboard, carpet, leather and PVC. A thinner 0.43mm option is available for precision cutting applications.
Variant Options
- Standard 0.50mm: Heavy-duty cutting for cardboard, carpet, leather
- Thin 0.43mm: Precision cutting for film, paper, wallpaper
- TiN-Coated: Titanium Nitride PVD coating for 3× extended lifespan
- OLFA LB-10: Standard direct-fit replacement
- OLFA LBB-50: Extra-sharp Excel Black variant
- OLFA LBD-50: 15-segment economical variant
- OLFA LWB-3B: Serrated edge for insulation materials
Compatible with all standard 18mm utility knives including OLFA, Stanley, Martor, Tajima and similar brands.