Finished Hex Nuts in 18-8 stainless steel are for use with stainless steel bolts or screws with a specified minimum tensile strength equal or less than the specified proof stress of the mating nut

and its jaws open into lock position when placed within a hollow surface

3/4-10 x 4 Flat Socket Cap Screw Alloy

1 1/8 x 6 Reduced Shank Drill Bit (1/2 Shank)

3/4 x 5 Titen HD Concrete Anchor Zinc Plated (5)

1 x 6 Reduced Shank Drill Bit (1/2 Shank) 7/8-14 Grade 8 Hex Cap Screws Yellow Zinc Plated Finished Hex Nuts in 18-81 x 6 Reduced Shank Drill Bit (1 2 Shank) . Expands the size range capacity of a 1 2 inch portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials.