Replacement Shuttle Hook for Singer 31 Class Industrial - Part # 12393
This replacement shuttle hook (part # 12393) is specifically designed for high-speed industrial and heavy-duty sewing machines. The shuttle hook is a critical component that catches the needle thread and wraps it around the bobbin thread to form each stitch. This precision-engineered part ensures reliable stitch formation and smooth operation on industrial lockstitch machines.
Specifications:
- Part Number: 12393
- Type: ReplacementĀ
- Application: High-speed industrial and heavy-duty machines
- Function: Catches needle thread and forms stitches
Machine Compatibility:
Singer Models: 31 Class (including 31-15, 31-17, 31-18, 31-19, 31-29), 331K, 44 Class, 78, 431D
Other Brands: Consew 30 Class, Necchi (500, 510, 600 series), Adler (37), Alfa (157)
Function & Benefits:
The shuttle hook rotates to catch the needle thread loop and wrap it around the bobbin thread, forming the lockstitch. A properly functioning hook ensures consistent stitch quality, prevents skipped stitches, and maintains smooth high-speed operation. Replace when worn, damaged, or if experiencing timing issues or thread problems.
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Product Information
Shipping & Returns
Shipping & Returns

Replacement Shuttle Hook for Singer 31 Class Industrial - Part # 12393
Replacement Shuttle Hook for Singer 31 Class Industrial - Part # 12393
This replacement shuttle hook (part # 12393) is specifically designed for high-speed industrial and heavy-duty sewing machines. The shuttle hook is a critical component that catches the needle thread and wraps it around the bobbin thread to form each stitch. This precision-engineered part ensures reliable stitch formation and smooth operation on industrial lockstitch machines.
Specifications:
- Part Number: 12393
- Type: ReplacementĀ
- Application: High-speed industrial and heavy-duty machines
- Function: Catches needle thread and forms stitches
Machine Compatibility:
Singer Models: 31 Class (including 31-15, 31-17, 31-18, 31-19, 31-29), 331K, 44 Class, 78, 431D
Other Brands: Consew 30 Class, Necchi (500, 510, 600 series), Adler (37), Alfa (157)
Function & Benefits:
The shuttle hook rotates to catch the needle thread loop and wrap it around the bobbin thread, forming the lockstitch. A properly functioning hook ensures consistent stitch quality, prevents skipped stitches, and maintains smooth high-speed operation. Replace when worn, damaged, or if experiencing timing issues or thread problems.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This replacement shuttle hook (part # 12393) is specifically designed for high-speed industrial and heavy-duty sewing machines. The shuttle hook is a critical component that catches the needle thread and wraps it around the bobbin thread to form each stitch. This precision-engineered part ensures reliable stitch formation and smooth operation on industrial lockstitch machines.
Specifications:
- Part Number: 12393
- Type: ReplacementĀ
- Application: High-speed industrial and heavy-duty machines
- Function: Catches needle thread and forms stitches
Machine Compatibility:
Singer Models: 31 Class (including 31-15, 31-17, 31-18, 31-19, 31-29), 331K, 44 Class, 78, 431D
Other Brands: Consew 30 Class, Necchi (500, 510, 600 series), Adler (37), Alfa (157)
Function & Benefits:
The shuttle hook rotates to catch the needle thread loop and wrap it around the bobbin thread, forming the lockstitch. A properly functioning hook ensures consistent stitch quality, prevents skipped stitches, and maintains smooth high-speed operation. Replace when worn, damaged, or if experiencing timing issues or thread problems.























