5/16-18 x 1 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded 18-8 Stainless Steel ABW188B while the truss head provides

while the truss head provides a low profile and increased strength

The indented hex head design enables easy driving and prevents slippage

They are fully threaded for maximum holding power and feature a Type AB point for easy starting and reduced driving torque

This lag screw is commonly used for framing

This 12-11 x 2 Square Flat Self Tapping Screw Type A Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications

5/16-18 x 1 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded 18-8 Stainless Steel ABW188B while the truss head provides5 16 18 x 1 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded 18 8 Stainless Steel: Thread size: 5 16 18 Length: 1 inch Thread type: Six Lobe Flat Thread Cutting Screw Type F Fully threaded Material: 18 8 Stainless Steel