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Grade 8 Bolts


Grade 8 Bolts

Grade 8 Bolts and fasteners are comprised of carbon-alloy steel, heat treated in a carbon controlled atmosphere and are generally the most durable and reliable fastener. Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi. Grade 8 bolts are used marine, military, aerospace, off-road vehicle markets and related mechanical applications where stress and strong load bearing pressure is required.

Have a question about our manufactured grade 8 bolts? Contact our team directly by phone or by using our secure online form. We look forward to speaking with you!

Types of Grade 8 Bolts


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SKU NAME DIAMETER THREAD LENGTH DETAILS
HH8BLK0870950 7/8-9 X 9 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 7/8 9 9 1/2
HH8BLK0871000 7/8-9 X 10 GRADE 8 HEX HEAD CAP SCREW BLACK 7/8 9 10
HH8BLK0871400 7/8-9 X 14 GRADE 8 HEX HEAD CAP SCREW BLACK 7/8 9 14
HH8BLK0871500 7/8-9 X 15 GRADE 8 HEX HEAD CAP SCREW BLACK 7/8 9 15
HH8BLK0620100 5/8-11 X 1 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 1
HH8BLK0620125 5/8-11 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 1 1/4
HH8BLK0620150 5/8-11 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 1 1/2
HH8BLK0620175 5/8-11 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 1 3/4
HH8BLK0620200 5/8-11 X 2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 2
HH8BLK0620225 5/8-11 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 2 1/4
HH8BLK0620250 5/8-11 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 2 1/2
HH8BLK0620275 5/8-11 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 2 3/4
HH8BLK0620300 5/8-11 X 3 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 3
HH8BLK0620325 5/8-11 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 3 1/4
HH8BLK0620350 5/8-11 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 3 1/2
HH8BLK0620375 5/8-11 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 3 3/4
HH8BLK0620400 5/8-11 X 4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 4
HH8BLK0620425 5/8-11 X 4 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 4 1/4
HH8BLK0620450 5/8-11 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 4 1/2
HH8BLK0620475 5/8-11 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 4 3/4
HH8BLK0620500 5/8-11 X 5 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 5
HH8BLK0620550 5/8-11 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 5 1/2
HH8BLK0620600 5/8-11 X 6 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 6
HH8BLK0620650 5/8-11 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 6 1/2
HH8BLK0620700 5/8-11 X 7 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 7
HH8BLK0620737 5/8-11 7 3/8 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 7 3/8
HH8BLK0620750 5/8-11 X 7 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 7 1/2
HH8BLK0620800 5/8-11 X 8 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 8
HH8BLK0620850 5/8-11 X 8 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 8 1/2
HH8BLK0620900 5/8-11 X 9 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 9
HH8BLK0620950 5/8-11 X 9 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 9 1/2
HH8BLK0621000 5/8-11 X 10 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 10
HH8BLK0621300 5/8-11 X 13\ GRADE 8 HEX HEAD CAP SCREW BLACK" 5/8 11 13
HH80310050 5/16-18 X 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 1/2
HH80310062 5/16-18 X 5/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 5/8
HH80310075 5/16-18 X 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 3/4
HH80310087 5/16-18 X 7/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 7/8
HH80310100 5/16-18 X 1 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 1
HH80310125 5/16-18 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 1 1/4
HH80310150 5/16-18 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 1 1/2
HH80310175 5/16-18 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 1 3/4
HH80310200 5/16-18 X 2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 2
HH80310225 5/16-18 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 2 1/4
HH80310250 5/16-18 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 2 1/2
HH80310275 5/16-18 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 2 3/4
HH80310300 5/16-18 X 3 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 3
HH80310325 5/16-18 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 3 1/4
HH80310350 5/16-18 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 3 1/2
HH80310375 5/16-18 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 3 3/4
HH80310400 5/16-18 X 4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 4