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5 1/2 inch length Hex Cap Screws (ASME B18. 2.1)

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.

Hex Head Cap Screw (b18.2.1), showing 200, (click on any line for more information)

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Supplier	Loc	Type	Material	Finish	Size	Description	Qty
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GLF	OH	Hex Head Cap Screw	Grade 5	Zinc/Clear	1/4-28 x 5 1/2	1/4-28x5-1/2 hhcs grade 5 stl zc b18.2.1 () () ()	356,000	Contact_Supplier
GLF	OH	Hex Head Cap Screw	Grade 5	Zinc/Clear	1/2-13 x 5 1/2	1/2-13x5-1/2 hhcs grade 5 stl zc b18.2.1 () () ()	748,000	Contact_Supplier
GLF	OH	Hex Head Cap Screw	Grade 5	Plain	1/2-13 x 5 1/2	1/2-13x5-1/2 hhcs grade 5 stl pln b18.2.1 () () ()	36,000	Contact_Supplier
GLF	OH	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/2-13 x 5 1/2	1/2-13x5-1/2 hhcs grade 8 stl zy b18.2.1 () () ()	1313,000	Contact_Supplier
GLF	OH	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	1/2-13 x 5 1/2	1/2-13x5-1/2 hhcs 18-8 s/s b18.2.1 () () ()	29,000	Contact_Supplier
GLF	OH	Hex Head Cap Screw	Grade 5	Zinc/Clear	1/2-20 x 5 1/2	1/2-20x5-1/2 hhcs grade 5 stl zc b18.2.1 () () ()	15,000	Contact_Supplier
GLF	OH	Hex Head Cap Screw	Grade 5	Zinc/Clear	1-8 x 5 1/2	1-8x5-1/2 hhcs grade 5 stl zc b18.2.1 () () ()	19,000	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1-8 x 5 1/2	1-8 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	100	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	1/4-20 x 5 1/2	1/4-20 x 5 1/2 h/c s/s b18.2.1	100	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/4-28 x 5 1/2	1/4-28 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	59	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 5 1/2	5/16-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	165	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/16-18 x 5 1/2	5/16-18 x 5 1/2 h/c s/s b18.2.1	30	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-24 x 5 1/2	5/16-24 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	20	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/8-16 x 5 1/2	3/8-16 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	19	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	3/8-16 x 5 1/2	3/8-16 x 5 1/2 h/c s/s b18.2.1	195	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/8-24 x 5 1/2	3/8-24 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	26	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 5	Zinc/Clear	7/16-14 x 5 1/2	7/16-14 x 5 1/2 h/c gr 5 znc b18.2.1	140	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	7/16-14 x 5 1/2	7/16-14 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	144	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	7/16-20 x 5 1/2	7/16-20 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	100	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 5	Zinc/Clear	1/2-13 x 5 1/2	1/2-13 x 5-1/2 h/c gr 5 znc b18.2.1	100	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/2-13 x 5 1/2	1/2-13 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	143	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 9	Zinc/Yellow	1/2-13 x 5 1/2	1/2-13 x 5 1/2 h/c f911 yel znc b18.2.1	6	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	1/2-13 x 5 1/2	1/2-13 x 5 1/2 h/c s/s b18.2.1	75	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/2-20 x 5 1/2	1/2-20 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	83	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 5	Zinc/Clear	9/16-12 x 5 1/2	9/16-12 x 5 1/2 h/c gr 5 znc b18.2.1	50	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	9/16-12 x 5 1/2	9/16-12 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	67	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	9/16-18 x 5 1/2	9/16-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	47	Contact_Supplier
ASMC	IL	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1-8 x 5 1/2	(pt) coarse gr8 hex c/s -usa b18.2.1	8	Contact_Supplier
ASMC	IL	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/8-16 x 5 1/2	(pt) coarse gr8 hex c/s -usa b18.2.1	110	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1-8 x 5 1/2	1-8 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	7	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	1/4-20 x 5 1/2	1/4-20 x 5 1/2 h/c s/s b18.2.1	25	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/4-28 x 5 1/2	1/4-28 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	50	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/16-18 x 5 1/2	5/16-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	75	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 5	Zinc/Clear	3/8-16 x 5 1/2	3/8-16 x 5 1/2 h/c gr 5 znc b18.2.1	25	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/8-16 x 5 1/2	3/8-16 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	60	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/8-24 x 5 1/2	3/8-24 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	27	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 5	Zinc/Clear	7/16-14 x 5 1/2	7/16-14 x 5 1/2 h/c gr 5 znc b18.2.1	50	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	7/16-14 x 5 1/2	7/16-14 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	15	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/2-13 x 5 1/2	1/2-13 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	10	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/2-20 x 5 1/2	1/2-20 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	30	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	9/16-12 x 5 1/2	9/16-12 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	5	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/8-11 x 5 1/2	5/8-11 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	5	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/8-18 x 5 1/2	5/8-18 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	5	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/4-10 x 5 1/2	3/4-10 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	25	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/4-16 x 5 1/2	3/4-16 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	10	Contact_Supplier
Ababa	CA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	7/8-9 x 5 1/2	7/8-9 x 5 1/2 h/c dom gr 8 yel znc b18.2.1	8	Contact_Supplier
SII	IN	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/4-10 x 5 1/2	3/4-10x5-1/2 yellow zinc finish sae j429 grade 8 hex cap screw ) b18.2.1	43	Contact_Supplier
SII	IN	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/4-16 x 5 1/2	3/4-16x5-1/2 (ft) hex cap screws grade 8 fine zinc-yellow bake b18.2.1	8	Contact_Supplier
SII	IN	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/4-28 x 5 1/2	1/4-28 x 5-1/2 grd8 yellow zinc hex cap screw) b18.2.1	5	Contact_Supplier
SII	IN	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/8-18 x 5 1/2	5/8-18x5 1/2 (pt) hex cap screws grade 8 fine zinc-yellow bake b18.2.1	20	Contact_Supplier
SII	IN	Hex Head Cap Screw	Grade 2	Zinc/Clear	3/4-10 x 5 1/2	3/4-10x5 1/2 (pt) grade 2 hex cap screw zinc cr+ b18.2.1	20	Contact_Supplier
SII	IN	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	1 1/8-7 x 5 1/2	1-1/8-7x5-1/2 hex cap screw stainless 18-8 b18.2.1	4	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 5	Plain	1/4-20 x 5 1/2	1/4-20x5 1/2 hex cap screw grade 5 b18.2.1	634	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Steel	Galvanized	1 x 5 1/2	1x5-1/2 a325-1 hdg hvy hex c/s dom. n162437 b18.2.1	17	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Steel	Galvanized	1 x 5 1/2	1x5-1/2 a325-1 hdg hvy hex c/s dom. n162437 b18.2.1	33	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Steel	Galvanized	1 x 5 1/2	1x5-1/2 a325-1 hdg hvy hex c/s dom. n162437 b18.2.1	35	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 2	Galvanized	3/8-16 x 5 1/2	3/8-16x5 1/2 hex c/s gr2 hdg b18.2.1	15	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 2	Galvanized	3/8-16 x 5 1/2	3/8-16x5 1/2 hex c/s gr2 hdg b18.2.1	21	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 2	Galvanized	1/2-13 x 5 1/2	1/2-13x5 1/2 hex c/s gr2 hdg b18.2.1	114	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 2	Galvanized	1/2-13 x 5 1/2	1/2-13x5 1/2 hex c/s gr2 hdg b18.2.1	57	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 2	Galvanized	3/4-10 x 5 1/2	3/4-10x5 1/2 hex c/s gr2 hdg b18.2.1	444	Contact_Supplier
QFC	TX	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	1/4-20 x 5 1/2	1/4-20x5 1/2 hex c/s 18-8 b18.2.1	70	Contact_Supplier
QFC	TX	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	3/8-16 x 5 1/2	3/8-16x5 1/2 hex c/s 18-8 b18.2.1	65	Contact_Supplier
QFC	TX	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	1/2-13 x 5 1/2	1/2-13x5 1/2 hex c/s 18-8 b18.2.1	2925	Contact_Supplier
QFC	TX	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	5/8-11 x 5 1/2	5/8-11x5 1/2 hex c/s 18-8 b18.2.1	60	Contact_Supplier
QFC	TX	Hex Head Cap Screw	316, 317, A4 Stainless	Plain	1-8 x 5 1/2	1-8x5 1/2 hex c/s 316ss f593h b18.2.1	2	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 5	Zinc/Clear	1/4-20 x 5 1/2	1/4-20x5 1/2 hex c/s gr5 zinc b18.2.1	360	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/8-16 x 5 1/2	3/8-16x5 1/2 hex c/s gr8 y/zinc b18.2.1	161	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 8	Zinc/Yellow	3/8-16 x 5 1/2	3/8-16x5 1/2 hex c/s gr8 y/zinc b18.2.1	25	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 5	Zinc/Clear	7/16-14 x 5 1/2	7/16-14x5 1/2 hex c/s gr5 zinc b18.2.1	30	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 2	Zinc/Clear	1/2-13 x 5 1/2	1/2-13x5 1/2 hex c/s gr2 zinc b18.2.1	35	Contact_Supplier
QFC	TX	Hex Head Cap Screw	Grade 2	Zinc/Clear	1/2-13 x 5 1/2	1/2-13x5 1/2 hex c/s gr2 zinc b18.2.1	200	Contact_Supplier
Cascade	OR	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	3/4-10 x 5 1/2	hex c/s 18-8ss b18.2.1	1400	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 2	Plain	7/16-14 x 5 1/2	7/16-14 x 5 1/2 hex cap screws gr 2 plain b18.2.1	19	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 8	Plain	7/16-20 x 5 1/2	7/16-20 x 5 1/2 hex cap screws gr 8 plain b18.2.1	10	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 5	Plain	9/16-12 x 5 1/2	9/16-12 x 5 1/2 hex cap screws gr 5 plain b18.2.1	415	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 5	Zinc/Clear	9/16-12 x 5 1/2	9/16-12 x 5 1/2 hex cap screws gr 5 zinc b18.2.1	65	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 8	Plain	9/16-12 x 5 1/2	9/16-12 x 5 1/2 hex cap screws gr 8 plain b18.2.1	79	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	9/16-12 x 5 1/2	9/16-12 x 5 1/2 hex cap screws gr 8 z yellow b18.2.1	180	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 5	Plain	9/16-18 x 5 1/2	9/16-18 x 5 1/2 hex cap screws gr 5 plain b18.2.1	9988	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	9/16-18 x 5 1/2	9/16-18 x 5 1/2 hex cap screws gr 8 z yellow b18.2.1	62	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 5	Zinc/Yellow	5/8-11 x 5 1/2	5/8-11 x 5 1/2 hex cap screws gr 5 z yellow b18.2.1	7	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 9	Zinc/Clear	5/8-11 x 5 1/2	5/8-11 x 5 1/2 hex cap screws gr l9 zinc b18.2.1	1	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 5	Zinc/Clear	5/8-18 x 5 1/2	5/8-18 x 5 1/2 hex cap screws gr 5 zinc b18.2.1	1024	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 8	Plain	5/8-18 x 5 1/2	5/8-18 x 5 1/2 hex cap screws gr 8 plain b18.2.1	48	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 8	Zinc/Yellow	5/8-18 x 5 1/2	5/8-18 x 5 1/2 hex cap screws gr 8 z yellow b18.2.1	240	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 2	Zinc/Clear	3/4-10 x 5 1/2	3/4-10 x 5 1/2 hex cap screws gr 2 zinc b18.2.1	38	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 5	Plain	3/4-10 x 5 1/2	3/4-10 x 5 1/2 hex cap screws gr 5 plain b18.2.1	12	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 9	Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)	3/4-10 x 5 1/2	3/4-10 x 5 1/2 hex cap screws gr 9 dacro b18.2.1	8	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 2	Plain	7/8-9 x 5 1/2	7/8-9 x 5 1/2 hex cap screws gr 2 plain b18.2.1	421	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 2	Zinc/Clear	7/8-9 x 5 1/2	7/8-9 x 5 1/2 hex cap screws gr 2 zinc b18.2.1	11	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 5	Zinc/Yellow	7/8-9 x 5 1/2	7/8-9 x 5 1/2 hex cap screws gr 5 z yellow b18.2.1	26	Contact_Supplier
B & K FAST	PA	Hex Head Cap Screw	Grade 8	Zinc/Clear	7/8-9 x 5 1/2	7/8-9 x 5 1/2 hex cap screws gr 8 zinc b18.2.1	4	Contact_Supplier
Wurth	Ont	Hex Head Cap Screw	Grade 5	Plain	3/4-10 x 5 1/2	scr hcs gr5 (xyl1070b) 3/4-10x5 1/2 b18.2.1	100	Contact_Supplier
Wurth	Ont	Hex Head Cap Screw	Grade 8	Zinc/Yellow	1/2-13 x 5 1/2	scr hcs gr8 (zy) 1/2-13x5 1/2 b18.2.1	100	Contact_Supplier
Wurth	Ont	Hex Head Cap Screw	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	3/8-16 x 5 1/2	scr hcs (18-8) 3/8-16x5 1/2 b18.2.1	20	Contact_Supplier

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