4-24 x 3/8 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake 1 1/8-7 NE and it has a threaded

and it has a threaded hole in the center

this hex lag screw delivers reliable performance and long-lasting durability

This 5/16-18 x 5/8 Slotted Round Machine Screw is fully threaded and made of zinc

It is also commonly used in DIY projects

durable nuts designed to meet the demands of various industrial and construction applications

4-24 x 3/8 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake 1 1/8-7 NE and it has a threadedThese 4 24 x 3 8 inch unslotted indented hex washer self drilling screws are full thread and coated with zinc and bake for added durability. They are designed with a hex washer head that provides a wide bearing surface for increased torque and reduced risk of stripping. The self drilling point eliminates the need for pre drilling, saving time and effort during installation. These screws are ideal for use in a variety of applications, including metal,