Lag Screw, Hex Head
Manufactured to be extremely sturdy, lag screws are some of the toughest fasteners. They are used to attach objects to wood and anchor masonry. Common applications include retaining walls, deck frames, and wooden beam outdoor play equipment. For masonry application, use the screw in conjunction with a lag shield. Lag screws have coarse threads designed for pre-drilled holes to prevent splitting or snapping, and require minimal clearance above the fastener. The hexagonal drive allows for simple installation and controlled traction with a socket or wrench.
For corrosion resistance, lag screws are available as Zinc plated, Hot Dipped Galvanized (HDG), and Stainless Steel.
- Additional information
- Description
- Pilot Holes
Additional information
| Material Finish | HDG, Stainless Steel 18-8, Stainless Steel 316, Zinc |
|---|---|
| Diameter | 1/4″, 5/16″, 3/8″, 1/2″, 5/8″, 3/4″ |
| Length | 1″, 1-1/8″, 1-1/4″, 1-1/2″, 1-3/4″, 2″, 2-1/4″, 2-1/2″, 2-3/4″, 3″, 3-1/2″, 4″, 4-1/2″, 5″, 5-1/2″, 6″, 6-1/2″, 7″, 7-1/2″, 8″, 8-1/2″, 9″, 9-1/2″, 10″, 10-1/2″, 11″, 12″, 13″, 14″, 15″, 16″, 18″, 20″, 24″ |
Manufactured to be extremely sturdy, lag screws are some of the toughest fasteners. They are used to attach objects to wood and anchor masonry. Common applications include retaining walls, deck frames, and outdoor play equipment. For masonry application, use the screw in conjunction with a lag shield. Lag screws have coarse threads designed for pre-drilled holes to prevent splitting or snapping, and require minimal clearance above the fastener. The hexagonal drive allows for simple installation and controlled traction with a socket or wrench.
For corrosion resistance, lag screws are available as Zinc plated, Hot Dipped Galvanized (HDG), and Stainless Steel.
Pilot Hole Sizes for Lag Screws
| For Softwood | Screw Diameter | For Hardwood |
|---|---|---|
| 3/32″ | 1/4″ | 3/16″ |
| 9/64″ | 5/16″ | 7/32″ |
| 11/64″ | 3/8″ | 1/4″ |
| 1/4″ | 1/2″ | 11/32″ |
| 5/16″ | 5/8″ | 1/2″ |
| 3/8″ | 3/4″ | 9/16″ |
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