5/16 x 5 Hex Lag Screw 18-8 Stainless Steel 3/8 while the zinc finish helps

while the zinc finish helps to protect the screws from corrosion

The square neck design prevents the bolt from rotating when tightened

3/8-16 x 3 Grade 5 Fully Threaded Zinc Carriage Bolt:

this screw boasts a Grade 8 rating for exceptional durability and resistance to heavy loads

5/16 x 5 Hex Lag Screw 18-8 Stainless Steel 3/8 while the zinc finish helpsSecure heavy objects outdoors with the 5 16 x 5 Hex Lag Screw made of durable 18 8 stainless steel. Its hex head provides a secure grip for tightening, while the sharp point ensures easy penetration into wood. The coarse threads offer superior holding power, making it ideal for outdoor applications where corrosion resistance is crucial. Its 18 8 stainless steel construction ensures longevity and resistance to rust and other elements.