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5/16 Hex Cap Screws

Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.

181,719 Hex Head Cap Screw, showing 200, (click on any line for more information)

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Supplier	Loc	Type	Material	Finish	Size	Description	Qty
Century	FL	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-24 x 1/2	ms35308-329 nasm35308-329	17409	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 8	Plain	5/16-24 x 3/4	5/16-24 x 3/4 special 5/16-24 x 3/4 special hex c/s g-8 with shaved head	5875	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 5	5/16-18 x 5 hex head cap screw gr 5 steel zinc	108	Contact_Supplier
Century	FL	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 3 1/2	5/16-18 x 3 1/2 hex hd cap screw 18-8	96	Contact_Supplier

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Global	CA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 1 1/4	ms35307-336 c/s military 5/16-18 thd x 1.250 l ss/pa 304ss 5/16-18 thd x 1.250 l ss/pa	6	Contact_Supplier
Global	CA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 1 1/4	bolt 18-8 ss	44	Contact_Supplier
Global	CA	Hex Head Cap Screw	Grade 5	Plain	5/16-18 x 3/4	hex c/s	63	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 5 1/2	5/16-18 x 5 1/2 hex hd cap screw grade 5 zinc plt	40	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 2 1/2	5/16-18 x 2 1/2 hex hd cap screw grade 8 steel zinc yellow	508	Contact_Supplier
Century	FL	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	5/16-18 x 3/4	5/16-18 x 3/4 hex hd cap screw 316 st. st.	73	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Cadmium/Yellow	5/16-24 x 5/8	ms90726-31 screw cap hexagon head 5/16-24 x .625	30750	Contact_Supplier
Century	FL	Hex Head Cap Screw	Steel	Plain	5/16-18 x 5/8	5/16-18 x 5/8 hex hd cap screw steel nick brt	2250	Contact_Supplier
Century	FL	Hex Head Cap Screw	Steel	Plain	5/16-24 x 1/2	saft america 80-59009-51 rev g cap screw 5/16-24 x 1/2 hex hd c1215 dnp	1235	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Plain	5/16-18 x 2	less plate due to nadcap requirements 5/16-18 x 2 unslot ind hex head grade 5 steel machine headmark grade id per dwg 56502b5c8c-plain finish	1166	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 7/8	5/16-18 x 7/8 hex hd cap screw grade 5 zinc plt	30	Contact_Supplier
Century	FL	Hex Head Cap Screw	Steel	Zinc/Clear	5/16-18 x 2 3/4	5/16-18 x 2 3/4 hex hd cap screw steel zinc plt	1319	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1 1/4	5/16-18 x 1 1/4 hhcs gr. 5 zinc 5/16-18 x 1 1/4 hhcs gr. zinc per astm b633 fe/zn 5 6-8um	30	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Plain	5/16-18 x 1	5/16-18 x 1 hex hd cap screw grade 5	47873	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 2	Zinc/Clear	5/16-18 x 2	5/16-18 x 2 hex hd cap screw grade 2 zinc plt	563	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 2	5/16-18 x 2 hex hd cap screw grade 5 rohs zinc clear e2a	432	Contact_Supplier
Century	FL	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-24 x 1	5/16-24 x 1 hex head cap screw s/s	422	Contact_Supplier
Century	FL	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 3 3/4	ms35307-347 q2j	84	Contact_Supplier
Century	FL	Hex Head Cap Screw	Grade 5	Zinc/Yellow	5/16-18 x 3/4	5/16-18 x 3/4 hex hd cap screw grade 5 zi & yel zinc/yellow	443	Contact_Supplier
Century	FL	Hex Head Cap Screw	Steel	Zinc/Clear	5/16-18 x 1	5/16-18 x 1 hex hd cap screw steel zinc plt	441	Contact_Supplier
Century	FL	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	5/16-18 x 2 1/2	5/16-18 x 2 1/2 hex head cap screw 316 stainless steel	94	Contact_Supplier
Century	FL	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	5/16-18 x 1	5/16-18 x 1 hex c/s 316 s/s patchlok	192	Contact_Supplier
Century	FL	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 2	5/16-18 x 2 hex hd cap screw 18-8	191	Contact_Supplier
Jackson	MS	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 1/2	nf hex c/s	1600	Contact_Supplier
Jackson	MS	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 3/4	nf hex c/s	1100	Contact_Supplier
Jackson	MS	Hex Head Cap Screw	Steel	Plain	5/16 x 1 1/4	5/16 x 1 1/4 nc nylon hex cap screw	33	Contact_Supplier
Jackson	MS	Hex Head Cap Screw	Steel	Plain	5/16 x 1 1/2	5/16 x 1 1/2 nc nylon hex cap screw	145	Contact_Supplier
Jackson	MS	Hex Head Cap Screw	Steel	Plain	5/16 x 2	5/16 x 2 nc nylon hex cap screw	1081	Contact_Supplier
Jackson	MS	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-24 x 7/8	5/16-24 x 7/8 nf hex cap screw 18-8 ss	1602	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1/2	screw hex cap 5/16-18x1/2 grd 5/zinc	200	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 2	Zinc/Clear	5/16-18 x 7/8	hex head cap screw 5/16-18x7/8 grd2 zinc	130	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	5/16-18 x 1750	screw hex head cap 5/16-18x1750 316 s/s	150	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 2.50	hex cap 5/16-18 x 2.50 full thread stainless	100	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Zinc/Clear	5/16-24 x 3/4	screw hex head cap 5/16-24 x 3/4 s/s w zinc plating	1544	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 1/2	5/16-18x1/2 gr8 hex c/s yellow zinc	741	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 5/8	5/16-18x5/8 gr8 hex c/s yellow zinc	1684	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Plain	5/16-18 x 3/4	5/16-18x3/4 gr8 hex c/s plain	2151	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 2 1/4	5/16-18x2 1/4 gr8 hex c/s yellow zinc	1575	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 2 3/4	5/16-18x2 3/4 gr8 hex c/s yellow zinc	343	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 3 1/2	5/16-18x3 1/2 gr8 hex c/s yellow zinc	95	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 3 3/4	5/16-18x3 3/4 gr8 hex c/s yellow zinc	232	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Plain	5/16-18 x 4 1/2	5/16-18x4 1/2 gr8 hex c/s plain	200	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 4 1/2	5/16-18x4 1/2 gr8 hex c/s yellow zinc	169	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 5	5/16-18x5 gr8 hex c/s yellow zinc	271	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 5 1/2	5/16-18x5 1/2 gr8 hex c/s yellow zinc	55	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Plain	5/16-18 x 6	5/16-18x6 gr8 hex c/s plain	50	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 6	5/16-18x6 gr8 hex c/s yellow zinc	30	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Plain	5/16-18 x 7	5/16-18x7 gr8 hex c/s plain	119	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 1/2	5/16-24x1/2 gr8 hex c/s yellow zinc	1996	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 3/4	5/16-24x3/4 gr8 hex c/s yellow zinc	1131	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 7/8	5/16-24x7/8 gr8 hex c/s yellow zinc	700	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 1	5/16-24x1 gr8 hex c/s yellow zinc	1272	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 1 1/4	5/16-24x1 1/4 gr8 hex c/s yellow zinc	994	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 1 1/2	5/16-24x1 1/2 gr8 hex c/s yellow zinc	227	Contact_Supplier
OneMonroe	MA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 5/8	5/16-18 x 5/8 hex cap screw 18.8 stnls	166	Contact_Supplier
OneMonroe	MA	Hex Head Cap Screw	Grade 5	Plain	5/16-24 x 3/4	5/16-24 x 3/4 hex cap screw-grade 5-plain	160	Contact_Supplier
OneMonroe	MA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 1 3/4	5/16-18 x 1 3/4 hex cap screw 18-8 stainless	19	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 1 1/4	5/16-18 x 1-1/4 yellow zinc finish sae j429 grade 8 hex cap screw made in usa	1000	Contact_Supplier
Weaver	WA	Hex Head Cap Screw	316, 317, A4 Stainless	Plain		5/16-18 x 3 1/2 hex c/s 316 ss	100	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 3 1/2	5/16-24 x 3-1/2 yellow zinc finish sae j429 grade 8 hex cap screw	8	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Steel	Zinc/Clear	5/16-18 x 3 1/2	screw hex hd cap 5/16-18x3-1/2 g5/zc	324	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 3.7.50	screw hex head cap 5/16-18x3.7.50 grade 8 steel yellow zinc	150	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Zinc/Clear	5/16-18 x 1	5/16-18 x 1 hex c/s import gr8 zncyl	330	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Nylon (Polyamide)	Plain	5/16-18 x 1	5/16-18 x 1 hex c/s nyl nat	70	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1 1/2	5/16-18 x 1 1/2 hex c/s domestic gr5 znc	187	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1 1/2	5/16-18 x 1 1/2 hex c/s import gr5 znc	350	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 2	Zinc/Clear	5/16-18 x 3	5/16-18 x 3 hex cap screw grade 2 plated	83	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 5	Plain	5/16-18 x 3	5/16-18 x 3 hex cap screw gr 5	3	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	5/16-18 x 3	5/16-18 x 3 hex cap screw 316 stainless	117	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 5/8	5/16-18 x 5/8 sae j429 gr 8 hx c/s pkg zinc-yellow pkg qty 100 carton 23	1400	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 2	Zinc/Clear	5/16-18 x 7	5/16-18 x 7 hex cap screw grade 2 plated	25	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 7	5/16-18 x 7 hex c/s 18-8ss	30	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 3/4	5/16-18 x 3/4 hex c/s domestic gr5 znc	15	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Plain	5/16-24 x 1	5/16-24 x 1 hex cap screw gr 8	1217	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 5	Plain	5/16-24 x 1 3/4	5/16-24 x 1 3/4 hex cap screw gr 5	1132	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 2 1/4	5/16-24 x 2 1/4 sae j429 gr 8 hx c/s pkg zinc-yell pkg qty 100 carton 5	100	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Steel	Plain	5/16-24 x 2 1/2	5/16-24 x 2 1/2 hex cap screw	21	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Grade 8	Plain	5/16-24 x 2 1/2	5/16-24 x 2 1/2 hex cap screw gr 8	316	Contact_Supplier
OneMonroe	NC	Hex Head Cap Screw	Steel	Plain	5/16-24 x 2 3/4	5/16-24 x 2 3/4 hex cap screw	4	Contact_Supplier
TownCountry	AR	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1/2	hex c/s gr.5	1750	Contact_Supplier
TownCountry	AR	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1	hex c/s gr.5	31900	Contact_Supplier
TownCountry	AR	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 1 1/4	hex c/s 18-8 304 18-8	620	Contact_Supplier
TownCountry	AR	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-24 x 1/2	hex c/s	100	Contact_Supplier
SunPack	FL	Hex Head Cap Screw	Grade 5	Galvanized	5/16-18 x 3 1/2	5/16-18 x 3-1/2 gr 5 hex cap screw hdg	83	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 5	Plain	5/16-18 x 3 3/4	hc031c03755szy hex head cap screw steel/zinc yellow grade 5	inquire	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 8	Plain	5/16-24 x 3/4	hc031f00758szy hex head cap screw steel/zinc yellow grade 8	inquire	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 8	Plain	5/16-18 x 3/4	hc031c00758szy hex head cap screw steel/zinc yellow grade 8	inquire	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 8	Plain	5/16-18 x 1 1/4	hc031c01258szy hex head cap screw steel/zinc yellow grade 8	3000	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 8	Plain	5/16-18 x 1 1/2	hc031c01508szy hex head cap screw steel/zinc yellow grade 8	inquire	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1/2	hc031c05005sz hex head cap screw steel/zinc grade 5	inquire	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 5	Plain	5/16-18 x 1	hb031c01005ts hex tap bolt steel/plain grade 5	inquire	Contact_Supplier
IndexFast	CA	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1 1/2	hc031c15005sz hex head cap screw steel/zinc grade 5	inquire	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1	hex c/s	4166	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 1	hex c/s	905	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade B8	Plain	5/16-18 x 1	5/16-18x1 hex c/s astm a193-b8 class 2 18-8 304	3	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 2	Zinc/Clear	5/16-18 x 1 1/4	hex c/sr	800	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1 1/4	hex c/s	2330	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 1 1/4	hex c/s	333	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 1 1/2	hex c/s	439	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 1 5/8	hex c/sr stain	125	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 1 3/4	hex c/s stain	199	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 2	hex c/s	1534	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 2 1/2	hex c/s	278	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 3	hex c/s 18-8 s/s	147	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	5/16-18 x 3 1/2	hex c/sr 316 st/stl	50	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 4	hex c/s	249	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 4	hex c/s 18-8 s/s	127	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 5	hex c/s stain	155	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	5/16-18 x 1/2	hex c/s 316 stainless	694	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 1/2	hex c/s	356	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 2	Zinc/Clear	5/16-18 x 5/8	hex c/sr	9895	Contact_Supplier
YANKEE	NH	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/16-18 x 5/8	hex c/s	1730	Contact_Supplier

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