This lock washer is used with a screw and lock washer to secure the K-Legs of an industrial sewing machine table to the table top. It is also used with the MC-SCR Motor to secure it to the table top of an industrial sewing machine stand.
Specs:
Shape: Spring Lock
For Screw Size: 1/4"
Material: Steel
Finish: Zinc-Plated
Spring Lock Type: Standard
Inside Diameter .26"
Outside Diameter .487"
Rockwell Hardness: C35-C46
ASME Specification: ASME B18.21.1
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