ConFlex Large Diameter Concrete Screws: 3/8" X 4" with Silver Stalgard Coating, Box of 50 - Hurripanel Storm Protection Systems and Construction Fasteners, Texas

ConFlex Large Diameter Concrete Screws: 3/8" X 4" with Silver Stalgard Coating, Box of 50

Unique Flex Technology heat treat process provides virtual immunity to brittle failures, allowing use in exterior applications. Stalgard finish provides exceptional corrosion resistance (800 to 1,000 hours without red rust in salt spray testing per ASTM B117). Engineered to provide high pull-out and shear values. Locking serrations under the head provide back-out resistance.

Install with 3/8" standard ANSI masonry drill bits.SKU: HFMR255 $27.52

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