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Enhanced ductility allows use in demanding exterior applications
Con-Flex® masonry screws are engineered to provide high pull-out and shear values with virtual immunity to brittle failures.
  • ConFlex 3/8" and 1/2" diameter threaded fasteners engineered by Elco Construction Products provide high performance in masonry and concrete, even in exterior applications. Hex washer head with locking serrations prevents back-out. Unique Flex Technology heat treat provides ductility and strength to prevent brittle failures. Silver Stalgard corrosion-resistant coating standard; white and bronze Stalgard available in selected sizes. Install with standard ANSI drill bits.
  • Con-Flex® Large Diameter Concrete Screw Anchors
    bulk
    Unit of Measure
    Items Con-Flex® Large Diameter Concrete Screw Anchors
    EMR215-050
    3/8" Diameter, Hex Washer Head with Locking Serration
    Price/Box $0.00
    Con-Flex® Large Diameter Concrete Screw Anchors
    EMR235-050
    3/8" Diameter, Hex Washer Head with Locking Serration
    Price/Box $0.00
    Con-Flex® Large Diameter Concrete Screw Anchors
    EMR255-050
    3/8" Diameter, Hex Washer Head with Locking Serration
    Price/Box $0.00
    Con-Flex® Large Diameter Concrete Screw Anchors
    EMR265-025
    3/8" Diameter, Hex Washer Head with Locking Serration
    Price/Box $0.00
    Con-Flex® Large Diameter Concrete Screw Anchors
    EMR285-025
    3/8" Diameter, Hex Washer Head with Locking Serration
    Price/Box $0.00
    Length N/A 2-1/2 in N/A 3 in N/A 4 in N/A 5 in N/A 7-1/2 in
    Thread Length N/A 2-1/4 in N/A 2-1/4 in N/A 3-1/2 in N/A 3-1/2 in N/A 3-1/2 in
    Drive System N/A 9/16 in Hex
    Drill Bit Size N/A 3/8 in
    Description N/A 3/8 x 2-1/2" N/A 3/8 x 3" N/A 3/8 x 4" N/A 3/8 x 5" N/A 3/8 x 7-1/2"
    Head Size N/A 3/8 in Diameter HFH
    Screw Type N/A ConFlex Large Diameter
    Box Qty.1 N/A 50 N/A 50 N/A 50 N/A 25 N/A 25
    Weight/Box N/A 5 lbs N/A 6 lbs N/A 7 lbs N/A 4 lbs N/A 6 lbs
    USA/Import N/A Made in USA
    Diameter N/A 3/8 in
    Material N/A Alloy Steel
    Head Style N/A Hex washer head with locking serrations
    Thread Style N/A Double-Leaded
    Finish N/A Silver Stalgard® Coating
    Tensile Yield N/A 92000 KSI min.
    Tensile Ultimate N/A 120000 KSI min.
    Inspection N/A The head marking consists of an Elco® logo and the fastener length in inches.
    Features and Benefits N/A
    • Flex Technology® heat treat allows virtual immunity to brittle failures, allowing use in exterior applications
    • Locking serrations under the head provide back-out resistance
    • Hardened tip ensures efficient tapping into concrete
    • Head markings allow easy inspection
    • Install with standard ANSI bits
    Note N/A Minimum order is $25
    • 1 Also available in bulk quantities.