Thickness:

What Are the Benefits of SNAPTOGGLE® Heavy-Duty Toggle Bolts

The short length enables shallow embedment that helps avoid drilling into rebar or prestressing strands

Screws with a diameter over 1 ½ inches have a hardness rating of HRB 95 - HRC 35

1-14 x 6 Grade 5 Hex Cap Screw Zinc Plated

1 7/16 x 6 Reduced Shank Drill Bit (1/2 Shank) 7/8-9 Socket Cap Screws Alloy Thickness:1 7 16 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.