{"product_id":"fujikura-cb-08-replacement-blade-ct-50-cleaver","title":"Fujikura CB-08 Replacement Blade for CT-50 Fiber Optic Cleaver – 48,000 Cleaves, Genuine AFL","description":"\u003ch2\u003eFujikura CB-08 Replacement Blade for CT-50 Fiber Optic Cleaver – 48,000-Cleave Life, Genuine AFL Part\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFujikura CB-08\u003c\/strong\u003e is the genuine replacement blade for the \u003cstrong\u003eFujikura CT-50 (CT50) precision fiber optic cleaver\u003c\/strong\u003e. With a rated service life of \u003cstrong\u003e48,000 fiber cleaves\u003c\/strong\u003e, the CB-08 is the correct blade to restore your CT-50 cleaver’s cutting performance when the blade becomes dull — delivering the clean, low-angle end-faces required for low-loss fusion splices and fast connector terminations.\u003c\/p\u003e\n\u003cp\u003eA worn cleaver blade is one of the most common causes of poor cleave quality in the field: high cleave angles, lip defects, hackle marks, and fiber end-face chips all increase splice loss and connector insertion loss. Replacing the CB-08 blade at the recommended interval restores the CT-50’s cleave quality to factory specification — protecting the quality of every splice and termination that follows.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eCB-08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Cleaver\u003c\/td\u003e\n\u003ctd\u003eFujikura CT-50 \/ CT50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Life\u003c\/td\u003e\n\u003ctd\u003e48,000 fiber cleaves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand new, genuine OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eFujikura \/ AFL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity per Package\u003c\/td\u003e\n\u003ctd\u003e1 blade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCompatible Cleaver Models\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaver Model\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFujikura CT-50\u003c\/td\u003e\n\u003ctd\u003e✓ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFujikura CT50\u003c\/td\u003e\n\u003ctd\u003e✓ Compatible (same model, alternate designation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAFL CT-50\u003c\/td\u003e\n\u003ctd\u003e✓ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eIf you are unsure whether the CB-08 is compatible with your specific cleaver model, please contact us before ordering. For the Fujikura CT-08 cleaver, the correct blade is the CB-07 — see our AFL Fujikura CB-07 listing.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Cleaver Blade Replacement Matters for Splice Quality\u003c\/h2\u003e\n\u003cp\u003eThe cleaver blade is the most critical consumable in a fiber optic cleaver. It scores the fiber surface to initiate a controlled fracture, producing a flat, perpendicular end-face. As the blade dulls over thousands of cleaves, cleave quality degrades in several ways:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreasing cleave angle:\u003c\/strong\u003e A dull blade produces higher cleave angles (measured in degrees from perpendicular). IEC standards require cleave angles below 0.5° for singlemode fusion splicing — a worn blade frequently exceeds this threshold, causing high splice loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLip and hackle defects:\u003c\/strong\u003e Dull blades produce lip defects (a raised ridge on the fiber end-face) and hackle marks (surface roughness), both of which increase splice loss and connector insertion loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber end-face chips:\u003c\/strong\u003e A worn blade may chip the fiber end-face rather than producing a clean fracture, causing splice failures and wasted fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased fiber breakage:\u003c\/strong\u003e A dull blade requires more scoring force, increasing the risk of fiber breakage during the cleave cycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReplacing the CB-08 blade at or before the 48,000-cleave mark restores the CT-50’s cleave quality and eliminates blade-related splice loss and failures.\u003c\/p\u003e\n\u003ch2\u003eSigns Your Fujikura CT-50 Cleaver Needs a New Blade\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe cleaver’s \u003cstrong\u003eblade position indicator\u003c\/strong\u003e has reached the end of its rotation range (the CT-50 rotates the blade to present a fresh cutting edge at each position)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleave angles are increasing\u003c\/strong\u003e — the splicer’s cleave angle check or an external cleave angle measurement tool shows angles above 0.5° consistently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplice loss is increasing\u003c\/strong\u003e on fiber types that previously spliced well, with no other obvious cause\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLip or hackle defects\u003c\/strong\u003e are visible on fiber end-faces when inspected through the splicer’s camera or a fiber inspection microscope\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber breakage during cleaving\u003c\/strong\u003e is occurring more frequently than expected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Replace the Blade on a Fujikura CT-50 Cleaver\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm blade replacement is needed\u003c\/strong\u003e — check the blade position indicator; if all positions are used, replacement is required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen the cleaver\u003c\/strong\u003e and locate the blade holder assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the worn CB-08 blade\u003c\/strong\u003e from the blade holder following the procedure in the CT-50 user manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the new CB-08 blade\u003c\/strong\u003e in the blade holder, ensuring correct orientation and seating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset the blade position indicator\u003c\/strong\u003e to position 1 following the CT-50 user manual procedure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerform test cleaves\u003c\/strong\u003e on scrap fiber to verify cleave quality before resuming production splicing or termination\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eAlways follow the blade replacement procedure in your Fujikura CT-50 user manual. Incorrect blade installation can damage the cleaver or produce poor cleave quality.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCB-08 vs. CB-07: Which Fujikura Cleaver Blade Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eCompatible Cleaver\u003c\/th\u003e\n\u003cth\u003eBlade Life\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eCB-08\u003c\/strong\u003e (this listing)\u003c\/td\u003e\n\u003ctd\u003eFujikura CT-50 \/ CT50\u003c\/td\u003e\n\u003ctd\u003e48,000 cleaves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCB-07\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFujikura CT-08\u003c\/td\u003e\n\u003ctd\u003e36,000 cleaves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAlways verify your cleaver model before ordering. The CT-50 and CT-08 are different cleaver models requiring different blades — the CB-08 and CB-07 are not interchangeable.\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFTTH \/ FTTx fiber splicing maintenance\u003c\/strong\u003e — restoring CT-50 cleave quality during high-volume FTTH construction to maintain consistent low-loss splices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast connector field termination\u003c\/strong\u003e — clean cleave quality is the most critical factor in achieving low insertion loss at fast connector terminations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom OSP fiber splicing\u003c\/strong\u003e — aerial, underground, and in-building fiber splicing with Fujikura CT-50 cleavers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData center fiber infrastructure\u003c\/strong\u003e — precision cleaving for backbone and inter-rack fiber splicing and termination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreventive maintenance\u003c\/strong\u003e — scheduled blade replacement to maintain consistent cleave quality across field teams operating multiple CT-50 cleavers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the Fujikura CB-08?\u003c\/strong\u003e\u003cbr\u003eA: The Fujikura CB-08 is the genuine OEM replacement blade for the Fujikura CT-50 (CT50) precision fiber optic cleaver. It is rated for 48,000 fiber cleaves and is the correct blade to restore CT-50 cleave quality when the existing blade becomes dull.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which cleaver is the CB-08 compatible with?\u003c\/strong\u003e\u003cbr\u003eA: The CB-08 is compatible with the \u003cstrong\u003eFujikura CT-50 \/ CT50\u003c\/strong\u003e fiber optic cleaver. It is not compatible with the Fujikura CT-08, which uses the CB-07 blade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many cleaves does the CB-08 blade last?\u003c\/strong\u003e\u003cbr\u003eA: The CB-08 blade is rated for \u003cstrong\u003e48,000 fiber cleaves\u003c\/strong\u003e. The Fujikura CT-50 rotates the blade to present a fresh cutting edge at each position — replace the blade when all positions have been used or when cleave quality degrades before reaching 48,000 cleaves.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when to replace the CB-08 blade?\u003c\/strong\u003e\u003cbr\u003eA: Replace the blade when the CT-50’s blade position indicator has reached the end of its rotation range, when cleave angles consistently exceed 0.5°, when lip or hackle defects appear on fiber end-faces, or when fiber breakage during cleaving increases.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the CB-08 and CB-07?\u003c\/strong\u003e\u003cbr\u003eA: The CB-08 is for the Fujikura CT-50 cleaver (48,000-cleave life). The CB-07 is for the Fujikura CT-08 cleaver (36,000-cleave life). They are not interchangeable — always verify your cleaver model before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the CB-08 a genuine Fujikura \/ AFL part?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The CB-08 is a genuine Fujikura \/ AFL OEM replacement blade, ensuring correct blade geometry and cutting performance for the CT-50 cleaver.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does cleave quality affect splice loss?\u003c\/strong\u003e\u003cbr\u003eA: Fusion splicing requires a flat, perpendicular fiber end-face (cleave angle below 0.5° for singlemode fiber). A poor cleave — caused by a worn blade — produces a tilted or defective end-face that cannot be fully corrected by the splicer’s arc, resulting in higher splice loss. Maintaining good cleave quality with a sharp CB-08 blade is the most cost-effective way to achieve consistently low splice loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: For support or bulk orders?\u003c\/strong\u003e\u003cbr\u003eA: Contact us at info@splicermarket.com for B2B pricing, volume orders, or technical support.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFujikura CB-08 Replacement Blade ×1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FUJIKURA","offers":[{"title":"Default Title","offer_id":44489625338168,"sku":"S017076","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0058\/7923\/4648\/products\/CB-08BLADEFORFUJIKURACT50CLEAVER.png?v=1675408432","url":"https:\/\/www.opticfibertool.com\/en-gb\/products\/fujikura-cb-08-replacement-blade-ct-50-cleaver","provider":"Fusion Splicer Store","version":"1.0","type":"link"}