Hanger Bolt - Thread Diameter: M4; Total Length: 25mm / 0.98"; Wood Screw Thread Length: 12.5mm / 0.49"; Machine Screw Thread Length: 12.5mm / 0.49". Wing Nuts - Female Thread Size: M4x4.5mm(D*L); Overall Size: 17.5 x 9.5 x 7mm / 0.69-inch x 0.37-inch x 0.28-inch (L*H*D). Material - The hanger bolt is made of carbon steel, and the wing nut is made of zinc alloy, constructed with zinc plated, provides great corrosion resistance and antirust ability for long service life.. Advantage - Hanger bolt good for wooden furniture jointing, wood screw thread on one end and a machine screw thread on the other end, use with wing nut, easy to install and disassemble, reusable.. Applications - Widely used in iron furniture, outdoor furniture, household furniture, solid wood furniture, custom furniture, office furniture..
