solid masonry and hollow masonry

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

there is no secondary tightening operation required which greatly reduces the overall cost of an anchor installation

1 1/2-12 Grade 2 Finished Hex Nut Zinc Plated

1-14 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

7 x 2 1/2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (2500) fully-threaded solid masonry and hollow masonry7 x 2 1 2 Simpson Trim Head Wood Decking Screws Square Drive 305 SS Bulk Pail (2500) . The type 17 tip provides fast starting and resists splitting in hardwood. Coarse threads run approximately 2 3 up the shank to draw the decking tightly to the substrate. Pre drilling is recommended near board ends to prevent splitting. #1 Square Drive All #7 diameters and 9 x 3 1 2 #2 Square Drive 9 x 4