Product Name 1: Threaded Insert; Internal Thread Size: M8; Total Height: 20mm / 0.79"; External Thread Diameter: 13mm / 0.51"; Head Diameter: 14mm/0.55"; Hex Socket Width:8mm/0.31". Product Name 2: Hanger Bolt; Thread Diameter: M8; Total Length: 50mm / 1.97"; Wood Screw Thread Length: 29mm / 1.14"; Machine Screw Thread Length: 17mm / 0.67". The threaded insert nuts and hanger bolts are made of carbon steel, construction with zinc plated provides great corrosion resistance and antirust ability for long service life.. Good for wooden furniture. Such as outdoor furniture, household furniture, stair post, wooden guardrail, solid wood furniture, custom furniture, office furniture.. Need a pre-hole before using. The mounting hole should not be larger than the outer diameter of the thread..
