●This product is ordered by the lot. Purchase unit: 20 pieces; Torque management construction and large 3-sided wedges provide reliable strength for pull-up installations; Different diameter high nuts with holes allow you to see solid installations; It is characterized by extending the load; Provides stable strength; Electrical, plumbing, heating and cooling duct construction, elevator construction, handrail installation; Nominal of hexagonal high nut screws; W1/2 Nut Length: 2.0 inches (50 Body Length: 3.1 inches (80 mm); Embedded Depth: 2.4 inches (61 mm); Hole Diameter: 0.5 inches (12.0 mm); Maximum Tensile Load: 0.8 kN; Box; Steel