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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
HH8BLK0310075 5/16-18 X 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 3/4
HH8BLK0310087 5/16-18 X 7/8 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 7/8
HH8BLK0310100 5/16-18 X 1 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 1
HH8BLK0310125 5/16-18 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 1 1/4
HH8BLK0310150 5/16-18 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 1 1/2
HH8BLK0310175 5/16-18 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 1 3/4
HH8BLK0310200 5/16-18 X 2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 2
HH8BLK0310225 5/16-18 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 2 1/4
HH8BLK0310250 5/16-18 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 2 1/2
HH8BLK0310275 5/16-18 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 2 3/4
HH8BLK0310300 5/16-18 X 3 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 3
HH8BLK0310325 5/16-18 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 3 1/4
HH8BLK0310350 5/16-18 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 3 1/2
HH8BLK0310375 5/16-18 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 3 3/4
HH8BLK0310400 5/16-18 X 4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 4
HH8BLK0310425 5/16-18 X 4 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 4 1/4
HH8BLK0310450 5/16-18 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 4 1/2
HH8BLK0310475 5/16-18 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 4 3/4
HH8BLK0310500 5/16-18 X 5 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 5
HH8BLK0310550 5/16-18 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 5 1/2
HH8BLK0310600 5/16-18 X 6 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 6
HH8BLK0310650 5/16-18 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 6 1/2
HH8BLK0310700 5/16-18 X 7 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 7
HH8BLK0310750 5/16-18 X 7 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 7 1/2
HH8BLK0310800 5/16-18 X 8 GRADE 8 HEX HEAD CAP SCREW BLACK 5/16 18 8
HH8BLK0620075 5/8-11 X 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 5/8 11 3/4
HH8F0370062 3/8-24 X 5/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 5/8
HH8F0370075 3/8-24 X 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 3/4
HH8F0370087 3/8-24 X 7/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 7/8
HH8F0370100 3/8-24 X 1 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 1
HH8F0370125 3/8-24 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 1 1/4
HH8F0370150 3/8-24 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 1 1/2
HH8F0370175 3/8-24 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 1 3/4
HH8F0370200 3/8-24 X 2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 2
HH8F0370225 3/8-24 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 2 1/4
HH8F0370250 3/8-24 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 2 1/2
HH8F0370275 3/8-24 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 2 3/4
HH8F0370300 3/8-24 X 3 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 3
HH8F0370325 3/8-24 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 3 1/4
HH8F0370350 3/8-24 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 3 1/2
HH8F0370375 3/8-24 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 3 3/4
HH8F0370400 3/8-24 X 4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 4
HH8F0370450 3/8-24 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 4 1/2
HH8F0370500 3/8-24 X 5 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 5
HH8F0370525 3/8-24 X 5 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 5 1/4
HH8F0370550 3/8-24 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 5 1/2
HH8F0370575 3/8-24 X 5 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 5 3/4
HH8F0370600 3/8-24 X 6 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 6
HH8F0370650 3/8-24 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 6 1/2
HH8F0370700 3/8-24 X 7 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 24 7