Description
Black RSS Structural Screws
GRK Black RSS Screws are perfect for deck framing or pergola installations when you want a better look. RSS Structural Screws are Heavy Duty lag screws designed for strong, tight connections.
GRK Black RSS Screws:
- Black Coated Hardened Steel
- T30 Bit Included In Each Box
- 5/16″ Screws – 6″ Lengths
- 300CT Bulk Box
- Approved For Treated Lumber
- Washer Head For Superior Clamping Force
- CEE Thread Enlarges Hole, Reducing Drive Torque
- W-Cut Thread Designed For Low Torque & Faster Drive
- Sharp Zip-Tip For Fast, Clean Starts Without Pre-Drilling
- GRK Limited Lifetime Warranty

