Hillman Fasteners 47871 Construction Lag Screw, 5/16 x 4", Bronze Ceramic Coat Winter_Items Diaphragm liner isolate water from

Diaphragm liner isolate water from contact with deep drawn steel domed shell twice as strong as rolled steel shell of same thickness

Use every 1-2 months to keep floors fresh and looking their best

Wood frame with rigid diamond mesh panels and no-mar rubber bumpers

More efficient than paper pads

Includes duct adapter with built-in damper

Hillman Fasteners 47871 Construction Lag Screw, 5/16 x 4", Bronze Ceramic Coat Winter_Items Diaphragm liner isolate water fromAn alternative to the ordinary lag screw. Hardened for strength and requires no pre drilling. Recommended For Pressure Treated Lumber. Size: 5 16 x 4" Finish: bronze ceramic coat Driver bit size: T30 Star drive Truss head Type 17 cut point For use with: treated lumber.