UNF A2 Stainless Steel Full Nuts. 1/4" 7/16" 7/32" 28. 5/8" 15/16" 35/64" 18. 7/16" 11/16" 3/8" 20. 1/2" 3/4" 27/64" 20. 5/16" 1/2" 17/64" 24. 3/8" 9/16" 21/64" 24. 1/2" - 20tpi.
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