20pcs Screws Self Tapping Wood Screws Insert Nut Carbon Steel Hex Socket Hex Drive Head Nut Drive Wood Nut Threaded For

Specification: Condition: Brand New Material: Carbon Steel(Plating Color Zinc) Optional Inner M2*0.4 Outer M4.5*0.5, Inner M4*0.7 Outer M6.5*0.75, Inner M3*0.5 Outer M5*0.5, Inner M5*0.8 Outer M8*1.0, Inner M6*1.0 Outer M9*1.0, Inner M6*1.0 Outer M10*1.5, Inner Outer M12*1.5, Inner M10*1.5 Outer M14*1.5, Inner Outer M16*1.5 Weight: Approx. 9-229g / 0.3-8.1oz Length: Approx. Inner M2*0.4 Outer M4.5*0.5: 6mm / 0.2in Inner M4*0.7 Outer M6.5*0.75: 8mm / 0.3in Inner M3*0.5 Outer M5*0.5: 6mm / 0.2in Inner M5*0.8 Outer M8*1.0: 10mm / 0.4in Inner M6*1.0 Outer M9*1.0: 12mm / 0.5in Inner M6*1.0 Outer M10*1.5: 14mm / 0.6in Inner Outer 15mm / 0.6in Inner M10*1.5 Outer M14*1.5: 18mm / 0.7in Inner Outer M16*1.5: 22mm / 0.9in Package List: 20Pcs Thread Inserts Made of high quality carobn steel, to use. Large contact area, it can bear strong tension. Easy and convenient to install, quickly and simply.