.578" X 28 RH TPI thread. Knurled surface. 416 staiinless steel. Black oxide finish.
WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65Warnings.ca.gov
By law, shipping is NOT ALLOWED outside of the U.S.A.
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