Price per piece: 110 yen (tax excluded); This product is ordered by lot. Purchase Unit: 50 pieces; Concrete surface after installation is free of protrusions and can be used for hex bolts, differentials, hanging bolts, etc. Air conditioning, sign mounting, interior and exterior construction, electrical construction, wiring work, etc.; Screw Nominal: M12; Outer diameter: 0.7 inches (17.5 mm); Total length: 2.0 inches (50 mm); Thread length: 0.7 inches (222 mm); Drill diameter: 0 inches (2 mm); Tensile load (18.8 inches (18.7 inches (18 mm). 6. Boxed. Steel