{"product_id":"hirose-rotary-hook-brother-janome-mitsubishi-singer-industrial-sewing-machine","title":"Hirose Rotary Hook – Brother Janome Mitsubishi Singer Industrial Sewing","description":"\u003cp\u003eKeep your industrial lockstitch sewing machine running at peak performance with this high-quality \u003cstrong\u003eHirose Rotary Hook\u003c\/strong\u003e. Crafted from durable metal, this precision-engineered replacement part is designed for a wide range of industrial computer lockstitch and embroidery sewing machines, ensuring smooth thread pickup, consistent stitch formation, and long-lasting reliability on the production floor.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Brand New\u003c\/strong\u003e — fresh from the factory, ready to install\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction\u003c\/strong\u003e — built to withstand the demands of continuous industrial use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility\u003c\/strong\u003e — fits multiple major industrial sewing machine brands and models\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Machined\u003c\/strong\u003e — ensures accurate thread pickup for clean, consistent lockstitch results\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrop-In Replacement\u003c\/strong\u003e — straightforward swap to minimize machine downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Models\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrother:\u003c\/strong\u003e DB2-B706-5, B714-5, B755-5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJanome:\u003c\/strong\u003e DB-J705, DB-J706\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMitsubishi:\u003c\/strong\u003e DB-130-12, DB-130-13, DB-130G-12, DB-130G-127, DY-340-12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSinger:\u003c\/strong\u003e 391U, 400W, 402W, 451K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNitaka:\u003c\/strong\u003e TC-1553, TC-1555\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNakajima:\u003c\/strong\u003e DSN178-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial Computer Lockstitch \u0026amp; Embroidery Sewing Machines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × Hirose Rotary Hook\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow 1–5 mm dimensional tolerance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from product images due to differences in monitor display settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Returns\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e12-month manufacturer's limited warranty against manufacturing defects.\u003c\/li\u003e\n  \u003cli\u003e30-day return window from the date of receipt. Items must be returned in original packaging with your order ID and reason for return.\u003c\/li\u003e\n  \u003cli\u003eAccessories carry a 3-month warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Products You May Also Need\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-300mm-adjustable-pcb-holder-360-rotation-soldering-stand-clamp\"\u003e0–300mm PCB Holder Stand | 360° Rotation Soldering Clamp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-25mm-1000-turn-precision-copper-inductor-coil-diy-electronics\"\u003e0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe use of industrial sewing and textile machinery, refer to the OSHA Textile \u0026amp; Sewing Machine Safety Guidelines.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a Hirose Rotary Hook and what does it do in an industrial sewing machine?\u003c\/h4\u003e\n\u003cp\u003eA: The Hirose Rotary Hook is a critical internal component in industrial lockstitch sewing machines. It rotates in sync with the needle to catch the upper thread and loop it around the bobbin thread, forming a secure lockstitch. A worn or damaged rotary hook can cause skipped stitches, thread breakage, or inconsistent seams, so timely replacement is essential for quality output.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know if this Hirose Rotary Hook fits my sewing machine?\u003c\/h4\u003e\n\u003cp\u003eA: Check your machine's model number against the compatibility list above. This rotary hook is confirmed to fit Brother DB2-B706-5, B714-5, B755-5; Janome DB-J705\/706; Mitsubishi DB-130-12\/13, DB-130G-12, DB-130G-127, DY-340-12; Singer 391U, 400W, 402W, 451K; Nitaka TC-1553\/1555; and Nakajima DSN178-3 industrial lockstitch machines. If you are unsure, please consult your machine's service manual or contact us before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this rotary hook difficult to install?\u003c\/h4\u003e\n\u003cp\u003eA: Installation difficulty depends on your familiarity with your machine's mechanics. For experienced sewing machine technicians, it is a straightforward drop-in replacement. If you are not experienced with industrial machine servicing, we recommend having a qualified technician perform the installation to avoid damage to the machine or the part.\u003c\/p\u003e\n\u003ch4\u003eQ: What should I do if the part does not fit correctly?\u003c\/h4\u003e\n\u003cp\u003eA: Please double-check your machine model against the compatibility list. If there is a genuine fitment issue, contact us within 7 days of receipt with your order ID and a description of the issue, and we will work to resolve it promptly under our return and warranty policy.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a Hirose Rotary Hook and what does it do in an industrial sewing machine?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Hirose Rotary Hook is a critical internal component in industrial lockstitch sewing machines. It rotates in sync with the needle to catch the upper thread and loop it around the bobbin thread, forming a secure lockstitch. 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