Commonly used in naval construction and power plant applications

1/4 x 2 1/2 Round Split Drive Anchor Zinc Plated (100)

3/4-10 x 4 1/4 Hex Sleeve Anchor Zinc Plated (10)

3/8 x 2 1/2 Round Split Drive Anchor Zinc Plated (25)

8 x 1 1/4 Phillips Flat w/ Nibs Self Drilling Cement Board Screws w/ Wings Ruspert Coated - Carton (5000) Phillips Flat-Head Marine Screws 316 Stainless Steel Commonly used in naval construction8 x 1 1 4 Phillips Flat w Nibs Self Drilling Cement Board Screws w Wings Ruspert Coated Carton (5000) . Meets F. I. P. 1000. 7 for torsional strength and drill speed Ceramic coating provides protection from corrosion Wings ream hole in board preventing "jacking action" Nibs under head clamp board firmly