Overview
The Glvaner GVN85042-8 is a box of 5 heavy-duty 18-8 stainless steel lag bolts designed for secure wood fastening in construction and industrial applications. With a 1/2″ diameter and 2″ length, these fasteners deliver superior corrosion resistance and pulling strength for demanding environments.
Key Features
- 304 Stainless Steel (18-8): Marine-grade material resists rust and corrosion in outdoor, coastal, and high-moisture environments
- Hex Head Design: Fits standard 3/4″ sockets and wrenches for high-torque driving without stripping
- Sharp Cutting Threads: Coarse threads cut their own path in wood, providing excellent grip and pull-out resistance
- Partial Thread Construction: Unthreaded shoulder below head increases holding power in structural applications
- Burr-Free Finish: Precision-machined threads ensure consistent, reliable fastening every time
Technical Specifications
- Material: 304 Stainless Steel (18-8)
- Diameter: 1/2″
- Length: 2″
- Thread Type: Coarse UNC
- Head Style: Hex
- Quantity: 5 pieces per box
- Socket Size: 3/4″
- Grade: A2-70
Typical Applications
- Deck construction and repair
- Fence installation and anchoring
- Ledger board attachment
- Timber framing and structural bracing
- Anchoring equipment and machinery to wood floors
- Marine and coastal construction (saltwater resistance)
- High-moisture environments and pressure-treated lumber applications
Compatibility & Replacements
Compatible With
- Standard 3/4″ sockets and hex wrenches
- Impact drivers and corded drills with hex drive capability
- Pre-drilled pilot holes in hardwood and softwood
- Flat washers for pressure distribution (recommended)
Replaces / Drop-In Replacement For
- Stainless steel 1/2″ x 2″ hex lag bolts from equivalent grades (A2-70, 304 stainless)
- Galvanized lag bolts in corrosion-sensitive applications
- Verify compatibility with your specific application requirements before ordering
Works With
- Flat washers (1/2″ ID recommended for pressure distribution)
- Standard hex wrenches and socket sets
- Carpenter-grade corded and cordless drills
- Heavy-duty construction fastening systems










