
Lightweight 303 Stainless Steel Keylocking Thread Inserts Keensert 78386. Keylocking Anti-Vibration Lock: Keys driven into parent material threads to prevent rotation from vibration or torsion. 303 Stainless Steel Material: Made of SUS303 stainless steel with nickel plating for durability and rust resistance. Reinforces Weak Threads: Effectively repairs and reinforces weaker thread materials like aluminum and magnesium. Customized Service Available: Supports customization from samples, designs, and full customization options. Fast Delivery Time: Stocked goods delivered same day; usual delivery within 3-7 working days. Free Sample Supply: Free samples available; freight paid by client, charge subtracted from future orders. One Year Warranty: One-year guarantee with free replacement service for any quality issues. Multiple Series Options: Available in Heavy Duty, Thinwall, Solid, and Small series (M2-M4) for various applications.