18mm Utility Knife Blades, 30PCS SK5 Carbon Steel Replacement Snap Off Sharp Blades Heavy Duty for Cardboard/Wood/Gypsum Board(L605-0.5mm Thickness)

18mm Utility Knife Blades, 30PCS SK5 Carbon Steel Replacement Snap Off Sharp Blades Heavy Duty for Cardboard/Wood/Gypsum Board(L605-0.5mm Thickness)

• 30PCS DURABLE SK5 CARBON STEEL(HRC 61-63): The 18mm utility knife blades Made from high-quality SK5 carbon steel, heat-treated to 61-63 HRC for a perfect balance of hardness, sharpness, and superior toughness.
• STRONG & ANTI-BREAK：0.5mm thick blade delivers excellent cutting strength and enhanced toughness to resist bending, chipping, and breaking during tough cutting tasks
• 11 SNAP-OFF SEGMENTS：This box cutter blades have 11 breakaway segments provide a practical balance of blade life and easy handling, suitable for daily professional and DIY cutting needs
• UNIVERSAL 18MM COMPATIBILITY：Fits most standard 18mm utility knives, box cutters, and snap-off knives for wide-ranging applications
• TOUGH & RELIABLE FOR VERSATILE USE: Ideal for cutting cardboard, wood, PVC, carpet, and thick materials; excellent edge retention and consistent performance