316 Stainless Steel Heavy-Profile Hex Nuts

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About Hex Nuts

Choose a hex nut with the right profile, material, and strength for your application.

Heavy-Profile Hex Nuts

About 10% wider and taller than standard-profile hex nuts, these handle heavier loads by distributing them over a larger area.

Corrosion-Resistant Stainless Steel

Highly Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.

	Wd.	Ht.	Pkg. Qty.		Pkg.
Highly Corrosion-Resistant 316 Stainless Steel



	1/4"-20	1/2"	15/64"	50	91850A029	000000


	1/4"-28	1/2"	15/64"	25	91850A128	00000
	5/16"-18	9/16"	19/64"	25	91850A185	0000
	5/16"-24	9/16"	19/64"	10	91850A188	0000
	3/8"-16	11/16"	23/64"	10	91850A190	0000
	3/8"-24	11/16"	23/64"	5	91850A193	0000
	7/16"-14	3/4"	27/64"	10	91850A195	00000
	7/16"-20	3/4"	27/64"	5	91850A230	0000
	1/2"-13	7/8"	31/64"	5	91850A210	0000
	1/2"-20	7/8"	31/64"	5	91850A204	00000
	5/8"-11	1 1/16"	39/64"	5	91850A220	00000


	5/8"-18	1 1/16"	39/64"	1	91850A235	0000
	3/4"-10	1 1/4"	47/64"	1	91850A225	0000
	3/4"-16	1 1/4"	47/64"	1	91850A240	0000
	7/8"-9	1 7/16"	55/64"	1	91850A037	0000
	1"-8	1 5/8"	63/64"	1	91850A038	0000
	1 1/8"-7	1 13/16"	1 7/64"	1	91850A039	00000
	1 1/4"-7	2"	1 7/32"	1	91850A040	00000
	1 3/8"-6	2 3/16"	1 11/32"	1	91850A042	00000
	1 1/2"-6	2 3/8"	1 15/32"	1	91850A043	00000
	1 3/4"-5	2 3/4"	1 23/32"	1	91850A046	00000


	2"-4 1/2	3 1/8"	1 31/32"	1	91850A049	00000

Heavy-Profile Hex Nuts for High-Pressure Applications

These nuts are hardened, so they maintain their strength under high pressure and temperature. Pair them with ASTM A193 screws to fasten critical components, such as valves and flanges, in pressure tanks, boilers, and heat exchangers. About 10% wider and taller than standard-profile hex nuts, these handle heavier loads by distributing them over a larger area.

Corrosion-Resistant Stainless Steel

Highly Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.

	Wd.	Ht.	Fastener Strength Grade/Class	Specs. Met	Pkg. Qty.		Pkg.
Highly Corrosion-Resistant 316 Stainless Steel



	1/4"-20	1/2"	1/4"	ASTM Grade 8M	ASTM A194	50	97619A890	00000


	5/16"-18	9/16"	19/64"	ASTM Grade 8M	ASTM A194	10	97619A110	0000
	3/8"-16	11/16"	23/64"	ASTM Grade 8M	ASTM A194	5	97619A220	0000
	7/16"-14	3/4"	27/64"	ASTM Grade 8M	ASTM A194	5	97619A330	0000
	1/2"-13	7/8"	31/64"	ASTM Grade 8M	ASTM A194	5	97619A440	0000
	5/8"-11	1 1/16"	39/64"	ASTM Grade 8M	ASTM A194	1	97619A550	0000
	3/4"-10	1 1/4"	47/64"	ASTM Grade 8M	ASTM A194	1	97619A660	0000
	7/8"-9	1 7/16"	55/64"	ASTM Grade 8M	ASTM A194	1	97619A770	0000
	1"-8	1 5/8"	63/64"	ASTM Grade 8M	ASTM A194	1	97619A880	0000
	1 1/8"-7	1 13/16"	1 9/64"	ASTM Grade 8M	ASTM A194	1	97619A910	0000
	1 1/8"-8	1 13/16"	1 9/64"	ASTM Grade 8M	ASTM A194	1	97619A920	0000


	1 1/4"-7	2"	1 1/4"	ASTM Grade 8M	ASTM A194	1	97619A930	0000
	1 1/4"-8	2"	1 1/4"	ASTM Grade 8M	ASTM A194	1	97619A940	00000
	1 1/2"-6	2 3/8"	1 1/2"	ASTM Grade 8M	ASTM A194	1	97619A950	00000
	1 1/2"-8	2 3/8"	1 1/2"	ASTM Grade 8M	ASTM A194	1	97619A960	00000
	1 5/8"-8	2 9/16"	1 5/8"	ASTM Grade 8M	ASTM A194	1	97619A970	00000
	1 3/4"-8	2 3/4"	1 3/4"	ASTM Grade 8M	ASTM A194	1	97619A980	00000
	2"-8	3 1/8"	2 1/64"	ASTM Grade 8M	ASTM A194	1	97619A990	00000