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Grade 8 (USA) Hex Cap Screws

Grade 8 Hex Cap Screws are very common fasteners found in manufacturing, repair and construction industries worldwide.  They are used to fasten 2 or more parts together in an assembly that may require future repair or maintenance disassembly.  Their six-sided hex head allows for a more substantial bearing and wrenching surface than what socket products or machine screws can provide, thereby making them the clear choice in many complex and heavy duty applications. 
 
Model Product Size Plate Pkg Qty  
454081 5/16"-18 x 1 3/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 1,000
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454082 5/16"-18 x 1-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 1,000
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454084 5/16"-18 x 1-3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 850
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454086 5/16"-18 x 2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 800
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454088 5/16"-18 x 2-1/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 700
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454090 5/16"-18 x 2-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 600
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454092 5/16"-18 x 2-3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 550
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454094 5/16"-18 x 3" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 500
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454095 5/16"-18 x 3-1/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 450
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454096 5/16"-18 x 3-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 450
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454097 5/16"-18 x 3-3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 400
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454098 5/16"-18 x 4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 400
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454099 5/16"-18 x 4-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 300
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454100 5/16"-24 (UNF) x 1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 1,950
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454101 5/16"-18 x 5" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 250
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454102 5/16"-24 (UNF) x 5/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 1,800
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Quote
454103 5/16"-18 x 5-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 250
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Quote
454104 5/16"-24 (UNF) x 3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 1,650
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Quote
454105 5/16"-18 x 6" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-18 Zinc-Yellow 250
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454106 5/16"-24 (UNF) x 7/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 1,500
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Quote
454108 5/16"-24 (UNF) x 1" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 1,400
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454110 5/16"-24 (UNF) x 1-1/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 1,100
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454112 5/16"-24 (UNF) x 1-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 1,000
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Quote
454114 5/16"-24 (UNF) x 1-3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 850
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Quote
454116 5/16"-24 (UNF) x 2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 800
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454118 5/16"-24 (UNF) x 2-1/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 700
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454120 5/16"-24 (UNF) x 2-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 600
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Quote
454122 5/16"-24 (UNF) x 2-3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 550
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454124 5/16"-24 (UNF) x 3" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 500
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Quote
454125 5/16"-24 (UNF) x 3-1/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 450
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Quote
454126 5/16"-24 (UNF) x 3-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 450
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Quote
454127 5/16"-24 (UNF) x 3-3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 400
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454128 5/16"-24 (UNF) x 4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 400
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454129 5/16"-24 (UNF) x 4-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 300
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454130 3/8"-16 x 1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 1,300
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454131 5/16"-24 (UNF) x 5" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 250
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454132 3/8"-16 x 5/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 1,200
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Quote
454133 5/16"-24 (UNF) x 5-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 250
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Quote
454134 3/8"-16 x 3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 1,100
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454135 5/16"-24 (UNF) x 6" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 5/16"-24 Zinc-Yellow 250
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Quote
454136 3/8"-16 x 7/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 1,000
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Quote
454138 3/8"-16 x 1" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 900
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454139 3/8"-16 x 1 1/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 800
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Quote
454140 3/8"-16 x 1-1/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 800
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Quote
454141 3/8"-16 x 1 3/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 675
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Quote
454142 3/8"-16 x 1-1/2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 675
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Quote
454143 3/8"-16 x 1 5/8" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 650
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Quote
454144 3/8"-16 x 1-3/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 600
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Quote
454146 3/8"-16 x 2" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 550
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454148 3/8"-16 x 2-1/4" Hex Cap Screw, Grade 8 (USA), Zinc-Yellow 3/8"-16 Zinc-Yellow 450
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Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-18
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
5/16"-24
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow
Model:
Size:
3/8"-16
Plate:
Zinc-Yellow

Specifications of Domestic Grade 8 Hex Cap Screws

Grade 8 Hex Cap Screws are manufactured from medium carbon alloy steel and are heat-treated, quenched and tempered.  With a proof load of 120,000 PSI and minimum tensile strength of 150,000 PSI, they are generally employed in high strength applications.  They are easily identified with the unique head marking of 6 radial lines and are most commonly available in plain finish, and yellow electro-zinc plate.  USA Grade 8 Hex Cap Screws are manufactured in the United States and every aspect is wholly 100% domestic, from mining of the ore to final quenching and tempering of the screw. 

Tell Us Your Domestic Grade 8 Hex Cap Screw Needs

Call Empire Bolt & Screw or send us a Request for Quote on your Grade 8 (USA) Hex Cap Screws needs today.

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