Red Head LDT 1260 Large Diameter Tapcon Screw Anchor, 6 in Overall Lg, 1 2 in Dia, Steel, External Hex, 20 PK 1005223271 Engineers Long Tape Measure Engineers Long Tape Measure 500 Degrees F Silicone Free No Biodegradable Non Biodegradable Chlorinated Non Chlorinated Non Chlorinated Glove Liner Material Flannel Series 6797R EN 388 Impact Rated No Dual Layer Yes Glove Insulation Material Cotton Low Profile Impact Protection No Brand and Series Showa 6797R Thickness Heavy Weight Anti Static No Surface Resistivity Not Tested Min hardened threads and shanks that bite into the mounting surface and secure higher loads than standard hex head screw anchors 75 in Drill Bit Size 7 16 in Tip Type Self Threading Sub brand Large Diameter Tapcon Maximum Material Thickness 4 in Maximum Ultimate Shear Strength 7