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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
HH8BLK0250225 1/4-20 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 2 1/4
HH8BLK0250250 1/4-20 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 2 1/2
HH8BLK0250275 1/4-20 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 2 3/4
HH8BLK0250300 1/4-20 X 3 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 3
HH8BLK0250325 1/4-20 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 3 1/4
HH8BLK0250350 1/4-20 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 3 1/2
HH8BLK0250375 1/4-20 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 3 3/4
HH8BLK0250400 1/4-20 X 4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 4
HH8BLK0250425 1/4-20 X 4 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 4 1/4
HH8BLK0250450 1/4-20 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 4 1/2
HH8BLK0250475 1/4-20 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 4 3/4
HH8BLK0250500 1/4-20 X 5 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 5
HH8BLK0250525 1/4-20 X 5 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 5 1/4
HH8BLK0250550 1/4-20 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 5 1/2
HH8BLK0250575 1/4-20 X 5 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 5 3/4
HH8BLK0250600 1/4-20 X 6 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 6
HH8BLK0250700 1/4-20 X 7 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 7
HH8BLK0250800 1/4-20 X 8 GRADE 8 HEX HEAD CAP SCREW BLACK 1/4 20 8
HH8BLK0500050 1/2-13 X 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 1/2
HH8BLK0500075 1/2-13 X 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 3/4
HH8BLK0500087 1/2-13 X 7/8 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 7/8
HH8BLK0500100 1/2-13 X 1 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 1
HH8BLK0500125 1/2-13 X 1 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 1 1/4
HH8BLK0500150 1/2-13 X 1 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 1 1/2
HH8BLK0500175 1/2-13 X 1 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 1 3/4
HH8BLK0500200 1/2-13 X 2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 2
HH8BLK0500225 1/2-13 X 2 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 2 1/4
HH8BLK0500250 1/2-13 X 2 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 2 1/2
HH8BLK0500275 1/2-13 X 2 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 2 3/4
HH8BLK0500300 1/2-13 X 3 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 3
HH8BLK0500325 1/2-13 X 3 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 3 1/4
HH8BLK0500350 1/2-13 X 3 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 3 1/2
HH8BLK0500375 1/2-13 X 3 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 3 3/4
HH8BLK0500400 1/2-13 X 4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 4
HH8BLK0500425 1/2-13 X 4 1/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 4 1/4
HH8BLK0500450 1/2-13 X 4 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 4 1/2
HH8BLK0500475 1/2-13 X 4 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 4 3/4
HH8BLK0500500 1/2-13 X 5 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 5
HH8BLK0500550 1/2-13 X 5 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 5 1/2
HH8BLK0500600 1/2-13 X 6 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 6
HH8BLK0500650 1/2-13 X 6 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 6 1/2
HH8BLK0500700 1/2-13 X 7 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 7
HH8BLK0500750 1/2-13 X 7 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 7 1/2
HH8BLK0500800 1/2-13 X 8 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 8
HH8BLK0500850 1/2-13 X 8 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 8 1/2
HH8BLK0500900 1/2-13 X 9 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 9
HH8BLK0500950 1/2-13 X 9 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 9 1/2
HH8BLK0501000 1/2-13 X 10 GRADE 8 HEX HEAD CAP SCREW BLACK 1/2 13 10