The length of a lag screw is measured from the underhead bearing surface to the tip of the screw Select Lag Screw, 1/2 In, 2-1/2 In, Steel, Hot Dipped Galvanized Hex External Hex Drive 50 Pk U084500500250 1/4 X 1-1/4 Hex Lag Screws The Hillman Group 812004 Hot Dipped Galavanized Hex Lag Screw, 1/4 X 1-1/4- Inch, 100-Pack Hot Dipped Galvanized Screws Quick Specs Lag Screw Galv 1/4x1-1/4 In stock Qty / ea - $0.55 / ea Add to Cart $0.55 / ea You are browsing from: Check Other Stores Stock Status Add to Wish List More Details Overview Store SKU HIL812004 Lag Screws · Hot Dipped Galvanized · 1/4x1¼ They are used with a lag shield, and lag screws can be used in masonry applications. The Hillman Group 812004 Hot Dipped Galavanized Hex Lag Screw, 1/4 x 1-1/4-Inch, 100-Pack ; Returns. FREE 30-day refund/replacement ; Payment. Secure transaction Hex Lag Screws are used for directly fastening into wood surfaces.