5/16-18 X 8-1/2" Carriage Bolts | A307 Grade A Plain Steel (25 / Pkg.) MS51972-2 Ready-to-machine surface minimizes prep work

Ready-to-machine surface minimizes prep work and reduces setup time

Quantity: Two taps

5/16-24 X 2-1/2" Hex Tap Bolts in Steel Zinc Plated

Pack size of ten pieces supports mid to large projects with multiple terminations

Size: 1-8 x 1-1/2

5/16-18 X 8-1/2" Carriage Bolts | A307 Grade A Plain Steel (25 / Pkg.) MS51972-2 Ready-to-machine surface minimizes prep work5 16 18 X 8 1 2" Carriage Bolts in A307 Grade A Plain Steel. Carriage bolts feature a smooth, rounded head with a square neck underneath that pulls into the material to prevent the bolt from turning during installation, making them ideal for wood to wood and wood to metal connections. Domed head with square anti rotation neck A307 Grade A Plain Steel construction Coarse thread for use in wood and with nuts and washers Sold in bulk packs Specifications