{"product_id":"nt-cutter-18mm-snap-off-blades-50-blade-pack-heavy-duty-extra-sharp-black-58","title":"NT Cutter 18mm Snap-Off Blades — 50-Blade Pack, Heavy-Duty Extra-Sharp Black 58°","description":"\u003cp\u003e\u003cstrong\u003eNT Cutter BL-51P are 18mm heavy-duty black snap-off blades built from high-carbon tool steel for extra-sharp performance and durable edge retention.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese professional-grade snap-off blades deliver a finer cutting edge and longer-lasting sharpness thanks to multi-stage manufacturing and an intensified finishing process. Sold as a 50-blade pack in a protective plastic case with a hanging hole, the blades are sized for standard 18mm utility knives and designed for demanding tasks across construction, industrial, and workshop environments. Made in Japan, they prioritize precise cuts on tough materials while remaining compact and easy to store.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these blades perform on heavy materials?\u003c\/h3\u003e\n\u003cp\u003eThe BL-51P blades are engineered for robust cutting tasks—cardboard, linoleum, roofing materials, carpet, and thin veneers cut cleanly when using these carbon tool-steel blades. Their 58° edge geometry and refined finish give a sharper, more consistent slice for repeated heavy use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial compatibility: cardboard, rubber, leather, corkboard, acetates, linoleum, carpet, thin veneer, form board\u003c\/li\u003e\n  \u003cli\u003eBlade dimensions: 18mm W × 100mm L × 0.50mm T for stability and control\u003c\/li\u003e\n  \u003cli\u003e58° angle for a balance of sharpness and durability\u003c\/li\u003e\n  \u003cli\u003eHigh-carbon tool steel for improved edge retention under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes these blades different from regular snap-off blades?\u003c\/h3\u003e\n\u003cp\u003eUnlike standard disposable blades, these undergo additional finishing steps to refine the cutting edge, producing an extra-sharp profile aimed at professional use. The black coating and precise honing help reduce friction and maintain a reliable edge through repetitive cuts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExtra finishing stages deliver a finer edge than typical blades\u003c\/li\u003e\n  \u003cli\u003eBlack finish reduces drag and improves cutting feel\u003c\/li\u003e\n  \u003cli\u003eProduced in Japan with strict quality control\u003c\/li\u003e\n  \u003cli\u003ePack of 50 blades for extended on-site readiness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I store and swap these blades safely?\u003c\/h3\u003e\n\u003cp\u003eThe pack comes in a moulded plastic container with a hanging hole for secure storage and quick access. When changing blades, retract the knife bar, snap off dull segments on a safe surface, and follow your utility knife’s recommended replacement steps to minimize risk.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProtective plastic case prevents accidental contact and keeps blades aligned\u003c\/li\u003e\n  \u003cli\u003eHanging hole for workshop or pegboard storage\u003c\/li\u003e\n  \u003cli\u003eSnap-off segments let you refresh the cutting tip without replacing the whole blade\u003c\/li\u003e\n  \u003cli\u003eRecommended: use gloves and eye protection when snapping or installing blades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich tools and jobs are these blades best paired with?\u003c\/h3\u003e\n\u003cp\u003eThese 18mm blades are compatible with most heavy-duty snap-off utility knives that accept 18mm widths. They excel on construction sites, flooring installation, packaging and warehouse cutting, and precision workshop tasks that demand a sharper, longer-lasting edge.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with standard 18mm snap-off utility knives\u003c\/li\u003e\n  \u003cli\u003eIdeal for drywall, roofing, flooring, industrial trimming, and packaging\u003c\/li\u003e\n  \u003cli\u003ePack size supports frequent blade changes without downtime\u003c\/li\u003e\n  \u003cli\u003eRecommended for professionals who require consistent, high-quality cuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: NT Cutter BL-51P blades are intended for tradespeople, contractors, installers, and industrial teams who need a reliable, extremely sharp snap-off blade that holds up under demanding conditions. They suit professionals and experienced DIYers who understand safe blade handling and want longer edge life and cleaner cuts on dense or abrasive materials.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these blades compatible with standard 18mm utility knives?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These 18mm BL-51P blades fit most heavy-duty snap-off utility knives designed for 18mm width blades.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many blades come in one pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each pack contains 50 carbon tool-steel snap-off blades in a protective plastic container.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NT Cutter","offers":[{"title":"Default Title","offer_id":55249012392273,"sku":"B007TFC2BO","price":29.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/nt-cutter-bl51p-front-packaging.jpg?v=1791631735","url":"https:\/\/craftiche.co.uk\/products\/nt-cutter-18mm-snap-off-blades-50-blade-pack-heavy-duty-extra-sharp-black-58","provider":"Craftiche","version":"1.0","type":"link"}