1/2-13 x 5-1/2 Inch Coarse Plain 316 Stainless Steel Hex Head Cap Screw Best Seller National Pipe Straight Mechanical (NPSM)

National Pipe Straight Mechanical (NPSM) fittings are used to connect pipes valves joints and pressure sensors

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Handi-Foam low pressure one-component polyurethane foam sealant is a moisture-cured multipurpose sealant designed to seal and fill small cracks and voids creating a tight barrier against noise moisture and air infiltration

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1/2-13 x 5-1/2 Inch Coarse Plain 316 Stainless Steel Hex Head Cap Screw Best Seller National Pipe Straight Mechanical (NPSM)Cap Screws are proportioned and toleranced to assure full and proper loading when assembled into a tapped hole. A washer face is provided under the head to provide a bearing surface when tightened. this feature ensures proper fit up into tapped holes without counterboring. Cap screws feature a chamfered end to aid in inserting into a tapped hole. Hex head cap screws are available in a variety of material grades including: Grade 2 Grade 5 Grade 8 and