Click to expand Tap to zoom Hex Bolt, Coarse Thread, Low-Carbon Steel, 3/8-16 x 3-1/2-In., 50-Pk. Save Liquid error (product-badge line 32): -Infinity% $24.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 50 pack 3/8-16x3-1/2" hex bolt, low carbon steel, coarse thread.