Check out technology changing the life.
Hard-to-Find Fastener 014973443634 Hex Lag Screws, 5/16 x 1, Piece-25: Home Improvement. Diameter: 5/16" 。 Length: 1 inch 。 Material: Steel 。 Finish: Hot Dip Galvanized 。 Head Style: Hex (1/2 Wrench) 。 We stock a wide variety of fasteners ideal for many applications around the home, farm, business, automotive, and in industry. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finish. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications so be certain to test thoroughly and get the opinion of a licensed builder or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov 。 。 。