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Knobs and Handles Catalog
Spherical Collar Nuts
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Spherical Collar Nuts

Spherical Collar Nuts can be used with the bottom half of Northwestern spherical washers for self-alignment.



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Spherical Collar Nuts
S.S.
Part No.
Thread
A
B C D E
81385 1/4-20 1/2 5/8 5/16 3/32
81386 5/16-18 9/16 3/4 3/8 3/32
81387 3/8-16 11/16 7/8 1/2 1/8
81388 1/2-13 7/8 1-1/8 11/16 5/32
81389 5/8-11 1-1/16 1-3/8 13/16 3/16
81390 3/4-10 1-1/4 1-5/8 1 1/4
81391 7/8-9 1-7/16 1-7/8 1-1/8 1/4
81392 1"-8 1-5/8 2 1-1/4 1/4
81393 1-1/8-7 1-13/16 2-1/4 1-1/4 1/4
81394 1-1/4-7 2 2-5/8 1-1/4 1/4