Hex Bolt Grade 8 Yellow Zinc 9/16″ – 18 NF
Hex Bolt Grade 8 Yellow Zinc 9/16″ – 18 NF has a higher tensile strength then a grade 5 bolt:
- 9/16″ – 18 TPI (Threads Per Inch) Fine thread bolts
- Grade 8 bolts are made of medium carbon alloy steel that has first been quenched to harden them, then tempered to restore some ductility.
- Grade 8 bolts are generally harder, but more brittle than grade 5 bolts.
- Electro-plating gives grade 8 bolts their yellow sheen (yellow zinc) and provides some corrosion resistance; however, they will eventually rust if the coating is damaged or scratched off or if the bolts are exposed to high saline environments.
Lengths available: 1″, 1-1/4″, 1-1/2″, 1-3/4″, 2″, 2-1/4″, 2-1/2″, 3″, 3-1/2″, 4″, 4-1/2″, 5″, 5-1/2″, 6″
Other sizes available by special order please contact us
For compatible nuts and washers click on the following links: