BOBBIN CASE FOR SINGER 20U ZIG ZAG SEWING MACHINES
#541678 NBL NO BACK LASH
What is NO BACK LASH?
A special anti-pin spring is built into the bobbin case assembly to prevent the bobbin from spinning when the machine is suddenly stopped. If the bobbin spins when the machine stops, there is a good chance that a single loop of thread will fall out of the bobbin case. This condition will cause the thread to snap as soon as the machine begins to sew.
WILL FIT MOST 20 U TYPE MACHINES
Compatible with Alphasew Sewing Machine Models: P20U33-3.
Compatible with Brother Sewing Machine Models: Galaxie 8015, TZ1-B652, XL702, XL703, XL622, XL2005, XL4001 & XL5001.
Compatible with Chandler Sewing Machine Models: 20U73.
Compatible with Riccar Sewing Machine Models:
414, 500 , 515, 525, 551, 606, 805, 806, 807, 906E, 888, 2600, 2800, 2900, 3300,
3400, 3500, 3600, 4001, 4003, 8400, 8500, 9150, 9160, 9600, 9700, 9800 & 9900.
Compatible with Singer Sewing Machine Models:
20U, 20U73, 20U73B, 20U83 and 20U83B.
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