1/4-14 x 2 1/2 Unslotted Hexwasher Serrated Self Drilling Screw Full Thread Zinc & Bake M6 They feature a hex washer

They feature a hex washer head for increased torque and a serrated point for self-drilling capabilities

The screw is 1/4 inch long and has a diameter of 4-40 threads per inch

This lag screw is commonly used in construction

They feature a standard pattern for secure and reliable fastening in various applications

and the zinc yellow coating resists corrosion

1/4-14 x 2 1/2 Unslotted Hexwasher Serrated Self Drilling Screw Full Thread Zinc & Bake M6 They feature a hex washerThese 1 4" 14 x 2 1 2" unslotted hex washer serrated self drilling screws are made of zinc and bake. They have a full thread and are designed for use in metal applications. The hex washer head provides a large bearing surface for increased torque and the serrated point drills its own hole, eliminating the need for pre drilling. These screws are ideal for use in a variety of applications, including roofing, siding, and metal framing.