Structural and Heavy Hex Nuts

2H HEAVY HEX NUT, A194 / SA 194, PLAIN (INCH)	2H HEAVY HEX NUT, TAIWAN / KOREA, A194 / SA 194, PLAIN (INCH)	2H HEAVY HEX NUT, A194 / SA 194, ZINC CR+3 (INCH)
2H HEAVY HEX NUT, A194 / SA 194, HDG (INCH)	USA 2H HEAVY HEX NUT, A194 / SA 194, PLAIN (INCH)	USA 2H HEAVY HEX NUT, A194 / SA 194, HDG BLUE DYE & WAX (INCH)
HEAVY HEX NUT, A563 A, PLAIN (INCH)	HEAVY HEX NUT, A563 A, ZINC CR+3 (INCH)	HEAVY HEX NUT, A563 A, ZINC YELLOW (INCH)
HEAVY HEX NUT, A563 A, HDG (INCH)	GRADE C HEAVY HEX NUT, A563, PLAIN (INCH)	GRADE C HEAVY HEX NUT, A563, ZINC CR+3 (INCH)
USA GRADE C HEAVY HEX NUT, A563, PLAIN	GRADE DH HEAVY HEX NUT, A563, PLAIN (INCH)	GRADE DH HEAVY HEX NUT, A563, HDG/WAX&BLUE DYE (INCH)
USA GRADE DH HEAVY HEX NUT, A563, PLAIN (USA)(INCH)	USA GRADE DH HEAVY HEX NUT, A563, HDG / WAX & BLUE DYE (INCH)