Midwest Fasteners 12885 5/16" x 3-3/4" Black Structural Lag Screw
Midwest Fasteners 12885 structural screws are 5/16" x 3-3/4" lag-style fasteners built for heavy wood-to-wood and structural connections. Made from steel and finished in Black XL1500 coating for corrosion resistance, each screw uses a T-30 Star drive connection for secure bit engagement and reduced cam-out during high-torque driving. These screws are flagged for structural applications and are packaged in a Box for jobsite or shop use.
Key Features
- Size: 5/16" x 3-3/4" overall dimension for structural wood connections requiring a longer, heavier-duty fastener.
- Material & Finish: Steel construction with Black XL1500 coating for enhanced corrosion resistance in exterior and structural applications.
- Drive Type: T-30 Star connection delivers strong bit engagement and minimizes slipping or stripping under high driving torque.
- Product Type: Lag-style structural screw, flagged for load-bearing wood and construction assemblies.
- Color: Black finish for a clean, consistent appearance on exposed structural connections.
- Package: Sold in a Box for shop, jobsite, or contractor use.
Technical Specifications
- Product Type: Lag Screw
- Product Finish: Black XL1500
- Connection Type: T-30 Star
- Country of Origin: China
- Product Material: Steel
- Product Color: Black
- Product Size: 5/16"
- Package: Box
Typical Applications
- Structural wood-to-wood framing connections
- Deck ledger board and beam attachment where a heavy-duty lag-style fastener is required
- General construction assemblies needing a Star-drive structural screw
- Exterior projects benefiting from the Black XL1500 corrosion-resistant coating
- Shop and jobsite stock for structural and framing repairs
Why Midwest Fasteners?
Midwest Fasteners builds this structural screw from steel with a Black XL1500 coating and a T-30 Star drive for dependable torque transfer and corrosion resistance on structural connections. Consistent sizing and finish across every box make it easy for contractors and maintenance crews to specify the right fastener for structural wood assemblies.
"Manufacturer Resources
Product Specs
- Product Type:
- Lag Screw
- Product Finish:
- Black XL1500
- Connection Type:
- T-30 Star
- Country of Origin:
- China
- Department:
- Fasteners
- Product Group:
- Screws
- Product Subgroup:
- Wood and Construction Screws
- Product Material:
- Steel
- Product Color:
- Black
- Product Size:
- 5/16"