Fed. Spec. FF-S-85 Screws

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System of Measurement

Thread Size

Material

Length

Threading

Fastener Head Type

Head Width

DFARS Specialty Metals

Compliant

Military Specification

Army-Navy Specification

Federal Specification

Fed. Spec. WW-H-171 Type 15

Military Specification

Drive Style

Head Height

Thread Type

Thread Direction

Thread Spacing

Certification

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Thread Fit

Unified Standard Class 2A

Hardness

Rockwell B74

Rockwell B80

Certificate Type

Material Certificate with Traceable Lot Number

Tip Type

Thread Length

RoHS

Tensile Strength

30,000 psi to 99,999 psi

Export Control Classification Number (ECCN)

REACH

Hex Head Profile

133 Products

About Hex Head Screws and Bolts

Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.

Stainless Steel Hex Head Screws


Fully Threaded	Partially Threaded

Won't rust or corrode when exposed to moisture and chemicals. These screws have a head with six flat sides to keep wrenches and sockets from slipping and rounding off the drive.

Length is measured from under the head.

18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they don't hold up to the harsh chemicals that 316 stainless steel screws can.

		Head					United States Origin
	Lg.	Wd.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Mil. Spec.	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				1/4"-20

				1/2"	7/16"	5/32"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-303	10	92245A537	00000


				9/16"	7/16"	5/32"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-304	10	92245A538	0000
				5/8"	7/16"	5/32"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-305	10	92245A539	0000
				3/4"	7/16"	5/32"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-306	10	92245A540	0000
				7/8"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-307	10	92245A541	0000
				1"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-308	10	92245A542	0000
				1 1/8"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-309	10	92245A543	0000
				1 1/4"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-310	10	92245A544	0000
				1 3/8"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-311	10	92245A545	0000
				1 1/2"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-312	5	92245A546	0000
				1 3/4"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-313	5	92245A548	0000


				2"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-314	5	92245A550	0000
				2 1/4"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-315	5	92245A552	0000
				2 1/2"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-316	5	92245A553	0000
				2 3/4"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-317	5	92245A554	0000
				3"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-318	5	92245A555	0000
				3 1/2"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-320	5	92245A911	0000
				3 3/4"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-321	1	92245A912	0000
				4"	7/16"	5/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-322	1	92245A913	0000




						1/4"-28

						1/2"	7/16"	5/32"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-303	10	92245A561	0000


						9/16"	7/16"	5/32"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-304	10	92245A934	0000
						5/8"	7/16"	5/32"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-305	10	92245A563	0000
						3/4"	7/16"	5/32"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-306	10	92245A565	0000
						7/8"	7/16"	5/32"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-307	10	92245A564	0000
						1"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-308	10	92245A567	0000
						1 1/8"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-309	10	92245A568	0000
						1 1/4"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-310	10	92245A569	0000
						1 3/8"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-311	10	92245A935	0000
						1 1/2"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-312	10	92245A571	00000
						1 3/4"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-313	10	92245A572	00000


						2"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-314	5	92245A574	0000
						2 1/4"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-315	5	92245A936	0000
						2 1/2"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-316	5	92245A937	0000
						3"	7/16"	5/32"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-318	5	92245A939	0000




								5/16"-18

								1/2"	1/2"	13/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-329	10	92245A682	0000


5/8"	1/2"							13/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-331	10	92245A580	0000
3/4"	1/2"							13/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-332	10	92245A581	0000
7/8"	1/2"							13/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-333	5	92245A582	0000
1"	1/2"	13/64"						Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-334	5	92245A583	0000
1 1/8"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-335	5	92245A584	0000
1 1/4"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-336	5	92245A585	0000
1 3/8"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-337	5	92245A686	0000
1 1/2"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-338	5	92245A587	0000
1 3/4"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-339	5	92245A589	0000
2"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-340	1	92245A591	0000


2 1/4"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-341	1	92245A592	0000
2 1/2"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-342	1	92245A593	0000
2 3/4"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-343	1	92245A914	0000
3"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-344	1	92245A596	0000
3 1/4"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-345	1	92245A964	0000
3 1/2"	1/2"	13/64"	Partially Threaded					Coarse	70,000	Fed. Spec. FF-S-85, MS35307-346	1	92245A915	0000




		5/16"-24

		5/8"	1/2"					13/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-331	10	92245A942	0000


		3/4"	1/2"					13/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-332	5	92245A600	0000
		7/8"	1/2"					13/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-333	5	92245A943	0000
		1"	1/2"					13/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-334	5	92245A602	0000
		1 1/8"	1/2"					13/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-335	5	92245A944	0000
		1 1/4"	1/2"					13/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-336	5	92245A604	0000
		1 3/8"	1/2"					13/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-337	5	92245A945	0000
		1 1/2"	1/2"	13/64"				Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-338	5	92245A606	0000
		1 3/4"	1/2"	13/64"	Partially Threaded			Fine	70,000	Fed. Spec. FF-S-85, MS35308-339	5	92245A946	0000
		2"	1/2"	13/64"	Partially Threaded			Fine	70,000	Fed. Spec. FF-S-85, MS35308-340	1	92245A608	0000
		2 1/4"	1/2"	13/64"	Partially Threaded			Fine	70,000	Fed. Spec. FF-S-85, MS35308-341	1	92245A947	0000


		2 1/2"	1/2"	13/64"	Partially Threaded			Fine	70,000	Fed. Spec. FF-S-85, MS35308-342	1	92245A948	0000
		2 3/4"	1/2"	13/64"	Partially Threaded			Fine	70,000	Fed. Spec. FF-S-85, MS35308-343	1	92245A949	0000




				3/8"-16

				1/2"	9/16"			15/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-355	5	92245A916	0000


				5/8"	9/16"			15/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-357	5	92245A621	0000
				3/4"	9/16"			15/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-358	5	92245A622	0000
				7/8"	9/16"			15/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-359	5	92245A623	0000
				1"	9/16"			15/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-360	5	92245A624	0000
				1 1/8"	9/16"			15/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-361	5	92245A625	0000
				1 1/4"	9/16"			15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-362	1	92245A626	0000
				1 3/8"	9/16"			15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-363	1	92245A627	0000
				1 1/2"	9/16"			15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-364	1	92245A628	0000
				1 3/4"	9/16"			15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-365	1	92245A630	0000
				2"	9/16"	15/64"		Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-366	1	92245A632	0000


				2 1/4"	9/16"	15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-367	1	92245A641	0000
				2 1/2"	9/16"	15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-368	1	92245A637	0000
				2 3/4"	9/16"	15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-369	1	92245A638	0000
				3"	9/16"	15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-370	1	92245A639	0000
				3 1/2"	9/16"	15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-372	1	92245A917	0000
				3 3/4"	9/16"	15/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-373	1	92245A918	0000




						3/8"-24

						5/8"	9/16"	15/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-357	5	92245A951	0000


						3/4"	9/16"	15/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-358	5	92245A650	0000
						7/8"	9/16"	15/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-359	5	92245A952	0000
						1"	9/16"	15/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-360	5	92245A652	0000
						1 1/8"	9/16"	15/64"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-361	1	92245A953	0000
						1 1/4"	9/16"	15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-362	1	92245A654	0000
						1 3/8"	9/16"	15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-363	1	92245A954	0000
						1 1/2"	9/16"	15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-364	1	92245A657	0000
1 3/4"						9/16"	15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-365	1	92245A659	0000
2"	9/16"					15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-366	1	92245A661	0000
2 1/4"	9/16"					15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-367	1	92245A955	0000


2 1/2"	9/16"					15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-368	1	92245A956	0000
3"	9/16"					15/64"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-370	1	92245A957	0000




						1/2"-13

						3/4"	3/4"	5/16"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-407	1	92245A710	0000


						1"	3/4"	5/16"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-409	1	92245A713	0000
						1 1/8"	3/4"	5/16"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-410	1	92245A921	0000
						1 1/4"	3/4"	5/16"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-411	1	92245A715	0000
						1 3/8"	3/4"	5/16"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-412	1	92245A922	0000
						1 1/2"	3/4"	5/16"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-413	1	92245A717	0000
						1 3/4"	3/4"	5/16"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-414	1	92245A719	0000
						2"	3/4"	5/16"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-415	1	92245A722	0000
		2 1/4"				3/4"	5/16"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-416	1	92245A724	0000
		2 1/2"	3/4"			5/16"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-417	1	92245A726	0000
		2 3/4"	3/4"			5/16"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-418	1	92245A923	0000


		3"	3/4"			5/16"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-419	1	92245A727	0000




						1/2"-20

						3/4"	3/4"	5/16"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-407	1	92245A958	0000


						1"	3/4"	5/16"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-409	1	92245A751	0000
						1 1/8"	3/4"	5/16"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-410	1	92245A959	0000
						1 1/4"	3/4"	5/16"	Fully Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-411	1	92245A753	0000
						1 1/2"	3/4"	5/16"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-413	1	92245A755	0000
						1 3/4"	3/4"	5/16"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-414	1	92245A757	0000
						2"	3/4"	5/16"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-415	1	92245A961	0000
						2 1/4"	3/4"	5/16"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-416	1	92245A962	0000
						2 1/2"	3/4"	5/16"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-417	1	92245A963	0000
						2 3/4"	3/4"	5/16"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-418	1	92245A966	0000
						3"	3/4"	5/16"	Partially Threaded	Fine	70,000	Fed. Spec. FF-S-85, MS35308-419	1	92245A967	0000




						5/8"-11

						1"	15/16"	25/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-458	1	92245A801	0000


						1 1/4"	15/16"	25/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-460	1	92245A924	0000
						1 1/2"	15/16"	25/64"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-462	1	92245A805	0000
						1 3/4"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-463	1	92245A807	0000
						2"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-464	1	92245A809	0000
						2 1/4"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-465	1	92245A925	0000
						2 1/2"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-466	1	92245A811	00000
						2 3/4"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-467	1	92245A813	0000
						3"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-468	1	92245A815	00000
						3 1/2"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-470	1	92245A926	00000
						4"	15/16"	25/64"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-472	1	92245A927	00000




								3/4"-10

1 1/2"								1 1/8"	15/32"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-485	1	92245A851	0000


2"	1 1/8"							15/32"	Fully Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-487	1	92245A853	00000
2 1/4"	1 1/8"							15/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-488	1	92245A928	00000
2 1/2"	1 1/8"							15/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-489	1	92245A855	00000
3"	1 1/8"							15/32"	Partially Threaded	Coarse	70,000	Fed. Spec. FF-S-85, MS35307-491	1	92245A857	00000