Hirose Rotary Hook – Brother Janome Mitsubishi Singer Industrial Sewing

Keep your industrial lockstitch sewing machine running at peak performance with this high-quality Hirose Rotary Hook. 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.

Key Features

• 100% Brand New — fresh from the factory, ready to install
• Durable Metal Construction — built to withstand the demands of continuous industrial use
• Wide Compatibility — fits multiple major industrial sewing machine brands and models
• Precision Machined — ensures accurate thread pickup for clean, consistent lockstitch results
• Drop-In Replacement — straightforward swap to minimize machine downtime

Compatible Models

• Brother: DB2-B706-5, B714-5, B755-5
• Janome: DB-J705, DB-J706
• Mitsubishi: DB-130-12, DB-130-13, DB-130G-12, DB-130G-127, DY-340-12
• Singer: 391U, 400W, 402W, 451K
• Nitaka: TC-1553, TC-1555
• Nakajima: DSN178-3

Specifications

• Material: Metal
• Application: Industrial Computer Lockstitch & Embroidery Sewing Machines
• Package Contents: 1 × Hirose Rotary Hook

Made in Mainland China.

Important Notes

• Please allow 1–5 mm dimensional tolerance due to manual measurement.
• Actual color may vary slightly from product images due to differences in monitor display settings.

Warranty & Returns

• 12-month manufacturer's limited warranty against manufacturing defects.
• 30-day return window from the date of receipt. Items must be returned in original packaging with your order ID and reason for return.
• Accessories carry a 3-month warranty.

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For guidance on safe use of industrial sewing and textile machinery, refer to the OSHA Textile & Sewing Machine Safety Guidelines.

Frequently Asked Questions

Q: What is a Hirose Rotary Hook and what does it do in an industrial sewing machine?

A: 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.

Q: How do I know if this Hirose Rotary Hook fits my sewing machine?

A: 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.

Q: Is this rotary hook difficult to install?

A: 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.

Q: What should I do if the part does not fit correctly?

A: 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.