5/16-12 x 1 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake NSFL8 They feature a sharp point

They feature a sharp point for easy penetration and a hex washer head for increased torque

The 4-inch length is measured from the underside of the head to the tip of the screw

Their coarse threads ensure a strong hold in wood or metal

The square neck prevents the bolt from turning when tightened

These 1/4-20 x 1 1/4 combination (Phillips/slotted) full contour truss head machine screws are made of steel and have a zinc finish

5/16-12 x 1 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake NSFL8 They feature a sharp pointThe 5 16 12 x 1 Unslotted Indented Hex Washer Self Drill Screw Full Thread Zinc & Bake is a versatile and durable fastener designed for a wide range of applications. It features a self drilling tip that eliminates the need for pre drilling, making it easy to install. The full thread design provides maximum holding power, while the indented hex washer head allows for easy driving with a wrench or socket. The zinc and bake coating provides excellent