Lag Bolt
Also known as: Lag Screw, Coach Screw
Heavy-duty wood screws with hex heads. Used for high-strength wood connections without through-bolting.
Quick Specifications
Head Style
Hex
Drive Type
Hex
Thread Type
Wood
Nut Required
No
Assembly Requirements
- Self-fastening (no nut required)
! Washer recommended
Dimensions
- Diameter Range
- 0.25" - 1"
- Length Range
- 1" - 16"
- Measurement System
- Imperial
Available Materials
Steel Stainless Steel Galvanized Zinc Plated
Standards
ASME B18.2.1
Common Applications
- + Ledger boards
- + Heavy timber framing
- + Deck posts
- + Structural wood