5/16-18 x 1 3/4 Jackson screw. Special machine screw with small diameter slotted oval head and coarse 5/16-18 thread.
Commonly used in attaching floors on many cars of the early teen years such as Stevens Duryea and many others of that vintage. For use with 5/16 solid finishing washer, our part number MISC-0037. Price: $6.25 MISC-0034 |
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