Bottom Shaft Crank for Household Sewing Machines

About Ningbo MH

MH specializes in garment accessories and fabrics, offering high-quality solutions for the textile and home décor industries. With advanced automated warehousing, MH ensures efficient supply chain management and provides comprehensive after-sales support, exclusively serving businesses, not individuals.

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• 1999

  Since

• $871Million

  Annual Sales (2025)

• 40+

  Branch Offices

• 600+

  Office Staffs

Product Details

The bottom shaft crank is an industrial-grade replacement component for household sewing machines. It fits the standard household sewing machine bottom-shaft assembly and converts rotary motion from the main shaft into movement for the needle-bar and feed mechanisms.

Customization is available to suit different machine builds.

Features

• Industrial-grade replacement component for household sewing machines.

• Fits the standard household sewing machine bottom-shaft assembly.

• Converts rotary motion from the main shaft to the needle-bar and feed mechanisms.

• Customization available to match different machine builds.

Application

• Repair and replacement of the bottom-shaft assembly on household sewing machines.

FAQ

What does the bottom shaft crank do?
It converts rotary motion from the main shaft into movement for the needle-bar and feed mechanisms on household sewing machines.

Is customization available for the bottom shaft crank?
Yes, customization is available so the crank can be matched to different household sewing machine builds.