It is commonplace though to use them on bare timber, the squared section giving enough grip to prevent rotation.
These Square Neck Bolts is anti-corrosion,rustless,non-pollution and high-hardness.
Tags:$20 - $35,Bolts,Fasteners,Hardware,Nails,Nut & Bolt Assortment Sets,Nut & Bolt Sets,Screws,Screws & Fasteners
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