Rock Solid Serrated Flange Hex Bolts 3 8 16 By 1 1 4 Inches Zinc Plated Case Hardened Steel Hardware Kit Built Different With Integrated Flange Eliminates Extra Washers And Delivers A Damn Tight Grip On Every Heavy Duty Build

Heavy Duty Serrated Flange Hex Bolts for Secure Mounting
✔️ zinc plated case hardened steel bolts with integrated flange

These heavy duty hex bolts feature a built in serrated flange that replaces standard washers while gripping surfaces tightly. They work great for automotive repairs, appliance fixes, furniture builds, and general mechanical projects around the house or shop.

✅ Thread pitch and measurement: 3/8-16 by 1-1/4 in
✅ Material build: case hardened steel with zinc coating
✅ Head design: serrated circular flange for anti vibration grip
✅ Installation: works with matching nuts or same size tapped holes

💡 Why pick serrated flange hex bolts for heavy duty mounting applications? These fasteners deliver a rock solid connection without extra parts getting in the way.
- The interlocking teeth bite into metal and wood for strong vibration resistance
- Load spreads evenly across the surface so bolts stay tight during rough use
- Zinc finish blocks rust and moisture buildup for outdoor or garage work

✝️