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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
HH80310425 5/16-18 X 4 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 4 1/4
HH80310450 5/16-18 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 4 1/2
HH80310475 5/16-18 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 4 3/4
HH80310500 5/16-18 X 5 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 5
HH80310525 5/16-18 X 5 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 5 1/4
HH80310550 5/16-18 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 5 1/2
HH80310575 5/16-18 X 5 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 5 3/4
HH80310600 5/16-18 X 6 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 6
HH80310650 5/16-18 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 6 1/2
HH80310700 5/16-18 X 7 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 7
HH80310750 5/16-18 X 7 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 7 1/2
HH80310800 5/16-18 X 8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 18 8
HH80620100 5/8-11 X 1 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 1
HH80620125 5/8-11 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 1 1/4
HH80620150 5/8-11 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 1 1/2
HH80620175 5/8-11 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 1 3/4
HH80620200 5/8-11 X 2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 2
HH80620225 5/8-11 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 2 1/4
HH80620250 5/8-11 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 2 1/2
HH80620275 5/8-11 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 2 3/4
HH80620300 5/8-11 X 3 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 3
HH80620325 5/8-11 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 3 1/4
HH80620350 5/8-11 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 3 1/2
HH80620375 5/8-11 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 3 3/4
HH80620400 5/8-11 X 4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 4
HH80620450 5/8-11 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 4 1/2
HH80620475 5/8-11 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 4 3/4
HH80620500 5/8-11 X 5 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 5
HH80620550 5/8-11 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 5 1/2
HH80620600 5/8-11 X 6 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 6
HH80620650 5/8-11 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 6 1/2
HH80620700 5/8-11 X 7 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 7
HH80620750 5/8-11 X 7 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 7 1/2
HH80620800 5/8-11 X 8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 8
HH80620850 5/8-11 X 8 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 8 1/2
HH80620900 5/8-11 X 9 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 9
HH80620950 5/8-11 X 9 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 9 1/2
HH80621000 5/8-11 X 10 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 10
HH80621100 5/8-11 X 11 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 11
HH80621200 5/8-11 X 12 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 12
HH80621400 5/8-11 X 14 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 14
HH80621500 5/8-11 X 15 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/8 11 15
HH8F0310050 5/16-24 X 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 1/2
HH8F0310062 5/16-24 X 5/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 5/8
HH8F0310075 5/16-24 X 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 3/4
HH8F0310087 5/16-24 X 7/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 7/8
HH8F0310100 5/16-24 X 1 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 1
HH8F0310125 5/16-24 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 1 1/4
HH8F0310150 5/16-24 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 1 1/2
HH8F0310175 5/16-24 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 5/16 24 1 3/4