3/4 x 16 Hex Lag Screw Hot Dipped Galvanized

The anchor is designed for use in solid base material such as concrete

Wings ream hole in board preventing "jacking action"

1 1/8-12 x 7 Socket Cap Screw Alloy

nylon insert locknuts can be reused more times than a two-way reversible nut

5/16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (100) 1/2-13 Socket Cap Screws Zinc Plated 3/4 x 16 Hex Lag5 16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (100) . L9 High Tension USS pattern flat washers are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods.