Heavy Duty Rust Resistant 304 Stainless Steel Flanged Hex Bolts With Integrated Flange 5/16 18 Thread 3/4 Length Grip Tight Fastener Pack Of 20 Rock Solid Home Shop Hardware Pick
✔️ 5/16 inch thread + 3/4 grip + 304 steel + serrated base
A pack of 20 heavy duty fasteners designed for demanding projects. These serrated flanged bolts act as built-in washers and threaded studs, making them handy for automotive repairs, plumbing setups, and workshop builds where vibration resistance and rust protection matter.
✅ Coarse pitch threading measured at eighty millimeters (five sixteenths inch) for strong engagement✅ Twelve millimeter (half inch) deep well socket drive turns easily without rounding out
✅ Seventeen millimeter (zero point six eight inch) wide flange rim spreads pressure evenly
✅ Nineteen millimeter (three fourths inch) grip zone holds steady across twenty pieces here
💡 Why do auto shops choose flanged hex bolts over standard flat heads? A flanged design gives you a broader clamping area that spreads mechanical load evenly. This handy setup locks things down fast without slipping or tearing apart thin sheets. - They remove the extra washer step while keeping engine shakes from loosening fast - Ideal for exhaust pipes and fluid lines that demand water tight seals everywhere - Crushes against flat metal to block coolants and road grime from sneaking inside - Holds firm during rapid heat changes because the alloy blend stretches securely
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