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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
HH8BLK0370375 3/8-16 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 3 3/4
HH8BLK0370400 3/8-16 X 4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 4
HH8BLK0370425 3/8-16 X 4 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 4 1/4
HH8BLK0370450 3/8-16 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 4 1/2
HH8BLK0370475 3/8-16 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 4 3/4
HH8BLK0370500 3/8-16 X 5 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 5
HH8BLK0370525 3/8-16 X 5 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 5 1/4
HH8BLK0370550 3/8-16 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 5 1/2
HH8BLK0370600 3/8-16 X 6 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 6
HH8BLK0370650 3/8-16 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 6 1/2
HH8BLK0370700 3/8-16 X 7 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 7
HH8BLK0370750 3/8-16 X 7 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 7 1/2
HH8BLK0370800 3/8-16 X 8 GRADE 8 HEX HEAD CAP SCREW BLACK 3/8 16 8
HH8BLK0750010 3/4-10 X 1 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 1
HH8BLK0750125 3/4-10 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 1 1/4
HH8BLK0750150 3/4-10 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 1 1/2
HH8BLK0750175 3/4-10 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 1 3/4
HH8BLK0750200 3/4-10 X 2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 2
HH8BLK0750225 3/4-10 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 2 1/4
HH8BLK0750250 3/4-10 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 2 1/2
HH8BLK0750275 3/4-10 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 2 3/4
HH8BLK0750300 3/4-10 X 3 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 3
HH8BLK0750325 3/4-10 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 3 1/4
HH8BLK0750350 3/4-10 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 3 1/2
HH8BLK0750375 3/4-10 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 3 3/4
HH8BLK0750400 3/4-10 X 4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 4
HH8BLK0750450 3/4-10 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 4 1/2
HH8BLK0750475 3/4-10 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 4 3/4
HH8BLK0750500 3/4-10 X 5 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 5
HH8BLK0750550 3/4-10 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 5 1/2
HH8BLK0750600 3/4-10 X 6 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 6
HH8BLK0750650 3/4-10 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 6 1/2
HH8BLK0750700 3/4-10 X 7 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 7
HH8BLK0750750 3/4-10 X 7 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 7 1/2
HH8BLK0750800 3/4-10 X 8 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 8
HH8BLK0750837 3/4-10 8 3/8 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 8 3/8
HH8BLK0750850 3/4-10 X 8 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 8 1/2
HH8BLK0750900 3/4-10 X 9 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 9
HH8BLK0750950 3/4-10 X 9 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 9 1/2
HH8BLK0751000 3/4-10 X 10 GRADE 8 HEX HEAD CAP SCREW BLACK 3/4 10 10
HH80370050 3/8-16 X 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 1/2
HH80370062 3/8-16 X 5/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 5/8
HH80370075 3/8-16 X 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 3/4
HH80370087 3/8-16 X 7/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 7/8
HH80370100 3/8-16 X 1 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 1
HH80370125 3/8-16 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 1 1/4
HH80370150 3/8-16 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 1 1/2
HH80370175 3/8-16 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 1 3/4
HH80370200 3/8-16 X 2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 2
HH80370225 3/8-16 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC 3/8 16 2 1/4