Heavy Duty Helical Coil Threaded Inserts With Tanged Screw Locking Design For Corrosive Jobs 2-8 Un Thread Size 4 Inch Length In 304 Stainless Steel Provides A Rock Solid Thread Repair Every Single Time Ten Pack

Corrosion Resistant Coil Thread Inserts 2-8UN 4inch Ten Pack
✔️ 304 Stainless Steel Insert 4.0 Inch Long With Red Dye Coat

These heavy duty helical coil threaded inserts deliver a rock solid thread repair for worn or stripped fasteners in tough jobs. You will find them handy on marine hardware, industrial pipes, and chemical processing equipment that deals with saltwater or chlorine exposure. The screw locking design keeps them seated tight while the stainless build fights off rust and corrosion for years.

✅ UN Thread Type sized for 2-8 fastener standards
✅ 4.000 Inch nominal length for deep hole repairs
✅ 200000 psi tensile strength holds under heavy loads
✅ Rc 43-50 Rockwell hardness resists strip damage
✅ Red dye coating helps you spot alignment before seating

💡 What makes a screw locking helical coil thread insert a handy fix for stripped threads in aluminum engine blocks?
- 304 stainless steel body punches through moisture and chlorine fumes without pitting out
- Deep helix form wraps around drilled areas to lock down torque specs reliably every time
- Tang breaks free during press fit so you slide mating bolts in without cross threading headaches
- Red installer paste sticks to walls to give you solid visual cues for perfect alignment depth

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