229-07554 Presser Spring Regulator Nut Cap for Jack F4/F5/F6
₹15.00 – ₹40.00Price range: ₹15.00 through ₹40.00
229-11804 Feed Regulator Screw Worm Set for Jack F4/F5/F6
₹90.00
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Product Description
229-11804 Feed Regulator Screw Worm Set
This worm-and-screw set drives fine stitch-length adjustment, translating dial movement into precise feed mechanism changes.
Fits
- Jack F4, F5, F6 and JUKI single needle lockstitch machines
Why Replace It
Worn worm threading causes stitch length adjustment to feel gritty or imprecise, and can eventually slip under vibration during operation.
FAQ
How is this different from the single feed regulator screw?
This is the complete worm-and-screw set, giving you matched components rather than pairing a new screw with a worn worm gear.








