Description:

5 Sets Type 1 - Fit Hole Diameter: 8mm / 0.31"; Under Head Size(Female): 8 x 12mm / 0.31" x 0.47"(D*L); Under Head Size(Male) : M6 x 70mm / 0.24" x 2.76"(D*L); Hex Socket Width: 4mm / 0.16". 5 Sets Type 2 - Fit Hole Diameter: 8mm / 0.31"; Under Head Size(Female): 8 x 12mm / 0.31" x 0.47"(D*L); Under Head Size(Male): M6 x 85mm / 0.24" x 3.34"(D*L); Hex Socket Width: 4mm / 0.16". Application - Fit for all kinds of DIY, leather crafts, clothing making, or as a fastener to connect two objects. Such as thin photo albums, leather bags, wooden board connections, etc.. Installation - Make a hole between 0.5-1mm larger than the diameter of the female rod, put the screw and nut on both sides of the locked object, and select the appropriate tool to lock it.. Advantage - Precision mechanical thread, made of stainless steel material, wear resistance, corrosion resistance, good toughness, and good decoration..