Hanger Bolts have machine threading on one end and wood/lag tapping screw threading on the other.
Hanger Bolts are super popular for architectural detailing: material tie backs, cabinet knobs, furniture feet, art installations, wine racks, etc.
A4 / 316 Stainless Steel fasteners are “marine grade” corrosion resistant; suitable for salt water applications. A4 fasteners also offer increased resistance to chemicals when compared with A2 stainless fasteners.