{"product_id":"fismiuta-42-inch-mower-blades-6-star-center-hole-42-mulching-replacement-heat-treated-boron-steel-for-42-decks","title":"Fismiuta 42-inch mower blades — 6-star center hole 42\" mulching replacement, heat-treated boron steel for 42\" decks","description":"\u003cp\u003e\u003cstrong\u003eThese Fismiuta 42-inch, 6-star center-hole mower blades (model 942-04308 \/ 942-04312) are heavy-duty replacement blades engineered for mulching, bagging, or side-discharge on compatible 42\" decks using a 6-point star center hole.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your riding mower uses a 42\" deck with a 6-star center hole — commonly found on Cub Cadet XT1-42, ZT1-42, LT42, RZT42 and many Troy-Bilt and Craftsman models — these blades are built as an upgraded, drop-in replacement. Fismiuta designed them from 40MnB boron steel with full-body heat treatment to resist impact, hold a sharper edge longer, and maintain balance at high RPMs. Read on to check fit, key performance traits, and whether these blades match your mowing needs.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these blades improve cutting and mulching performance?\u003c\/h3\u003e\n\u003cp\u003eFismiuta blades use a medium-lift aerodynamic profile that creates strong airflow under the deck, lifting grass upright for a cleaner cut and better mulching action. The sharpened, larger effective edge reduces tearing and promotes a uniform appearance across the lawn.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMedium-lift design generates a vacuum vortex for upright grass feeding.\u003c\/li\u003e\n  \u003cli\u003eWider cutting area and enhanced edge retention for precise shearing.\u003c\/li\u003e\n  \u003cli\u003eOptimized for mulching, bagging, or side discharge with improved bag fill.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these blades fit my mower and replace OEM numbers?\u003c\/h3\u003e\n\u003cp\u003eThey are made to replace specific OEM part numbers for several 42\" decks; verify your mower’s SKU or existing blade part number before purchasing. The Fismiuta 942-04308 series replaces many Cub Cadet, Troy-Bilt, Craftsman and Columbia 42\" blade part numbers when the center hole is the 6-point star configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible OEM replacements include: 742-04308, 742-04308A, 942-04308A, 942-04308, 742-04312, 942-04312, and related codes.\u003c\/li\u003e\n  \u003cli\u003eFits 42\" decks from Cub Cadet XT1-42, ZT1-42, LT42, RZT42 and select Troy-Bilt\/Craftsman models.\u003c\/li\u003e\n  \u003cli\u003eConfirm your mower requires a 6-point star center hole before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable are these blades against impacts and rust?\u003c\/h3\u003e\n\u003cp\u003eConstructed from industrial-grade 40MnB boron steel with full-body heat treatment, these blades are engineered to resist shocks from hidden rocks or roots and to maintain structural integrity. A heavy-duty powder coat finish protects against corrosion, abrasive wear, and UV exposure for longer service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-body heat treatment increases toughness and impact resistance by about 35% over low-end carbon steel blades.\u003c\/li\u003e\n  \u003cli\u003ePowder coating provides enhanced rust and UV protection for seasonal durability.\u003c\/li\u003e\n  \u003cli\u003eDigital dynamic balancing reduces vibration that can accelerate hub and spindle wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these blades affect vibration, motor wear, and maintenance needs?\u003c\/h3\u003e\n\u003cp\u003eEach blade is dynamically balanced to minimize high-speed wobble, which reduces noise and vibration transmitted to the deck and motor bearings. Cleaner cuts and improved balance help prevent premature wear to spindles and save time on re-trimming and resharpening.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDigital dynamic balancing lowers vibration for smoother operation at full throttle.\u003c\/li\u003e\n  \u003cli\u003eSharper edge retention means less frequent sharpening or replacement.\u003c\/li\u003e\n  \u003cli\u003eReduced rotor imbalance helps protect spindles and mower drive components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and small property managers who use 42\" riding mower decks with a 6-point star center hole and want a stronger, longer-lasting replacement blade for mulching, bagging, or side discharge. These blades suit users seeking a performance upgrade over basic carbon-steel replacements — especially those mowing uneven yards with hidden debris or who want cleaner cuts and reduced vibration for extended mower life.\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: Does this blade fit my 42\" Cub Cadet with a 6-star center?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if your Cub Cadet deck uses a 6-point star center and your OEM matches listed part numbers; confirm your current blade SKU first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can these blades be sharpened and reused?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they’re made from boron steel and can be resharpened; maintain proper balance after grinding.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fismiuta","offers":[{"title":"Default Title","offer_id":56833701413204,"sku":"B0GHR5W47Y","price":71.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/fismiuta-front-packaging-42in-blade.jpg?v=1787042874","url":"https:\/\/gardenluxe.co.uk\/products\/fismiuta-42-inch-mower-blades-6-star-center-hole-42-mulching-replacement-heat-treated-boron-steel-for-42-decks","provider":"Gardenluxe Uk","version":"1.0","type":"link"}