ST Fastening 1/4 x 4" Self-Drilling HWH Steelbinder Metal Screw, Hex Washer Head - Electro-Galvanized, Qty. 250 Flat Hooks for Straps Additional Design Features: Rounded edges

Additional Design Features: Rounded edges

Machined from lightweight 6061-T6 aluminum for solid corrosion resistance

Makita 2500 RPM screwdriver motor

The inside diameter of the NEOWG1012 rubber washer tightly seals to the screw

Concrete anchoring in food-grade or clean room facilities

ST Fastening 1/4 x 4" Self-Drilling HWH Steelbinder Metal Screw, Hex Washer Head - Electro-Galvanized, Qty. 250 Flat Hooks for Straps Additional Design Features: Rounded edges1 4 14 x 4" HWH Steelbinder self drilling pole barn screws are designed for general metal to metal construction applications. This includes HVAC, roof deck to steel framing, and roof clips to steel framing. The Drill Point is designed to penetrate a wide variety of metal thicknesses from thin sheet metal to 0. 250" with no "point walking". These Hex Washer Head screws come without a bonded sealing washer.