Tensile strength on diameters 1/4 to 2 1/2 inches is a minimum of 150

8 x 1 1/4 Phillips Wafer Hi-Low Cement Board Screws w/ Nibs Sharp Point Ruspert Coated - Carton (5000)

7 x 2 1/4 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (4000)

When you need TimberLOK® Heavy Duty Wood Screws

Made of heat-treated carbon steel and available in both zinc plated and mechanically galvanized finishes

21/32 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank) Cap Nuts 18-8 Stainless Steel Tensile strength on diameters 1/421 32 x 6 Reduced Shank Drill Bit Cobalt (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.