10-16 x 1/2 Six Lobe Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc 7-19 The bolt's coarse threads provide

The bolt's coarse threads provide a secure hold in wood or metal applications

These 3/4-10 x 2 1/2 Heavy Hex Structural Bolts are Type 1 bolts made of A325 steel

They have a pan head with a Phillips drive

This 1/2-13 x 1 1/4 Hex Head Flange Non Serrated Frame Bolt is made of steel and has a black phosphate finish

It features teeth on both the outer and inner diameters

10-16 x 1/2 Six Lobe Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc 7-19 The bolt's coarse threads provide10 16 x 1 2 Six Lobe Flat Undercut Self Tapping Screw Type AB Fully Threaded Zinc are designed for use in metal applications. They have a six lobe drive that provides increased torque and reduces cam out. The flat undercut head provides a flush finish when countersunk. The self tapping threads create their own mating threads in the metal, eliminating the need for pre tapping. These screws are fully threaded for maximum holding power. They are zinc