ST Fastening 1/4 x 4" Self-Drilling HWH Steelbinder Metal Screw, Hex Washer Head - Electro-Galvanized, Qty. 250 Flat Hooks for Straps The inside diameter of the

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

Proof-Tested: 2

Additional Design Features: Rounded edges

or powder coated after installation to prevent corrosion

long-lasting seal that adapts to the challenges of dynamic roof environments

ST Fastening 1/4 x 4" Self-Drilling HWH Steelbinder Metal Screw, Hex Washer Head - Electro-Galvanized, Qty. 250 Flat Hooks for Straps The inside diameter of the1 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.