Insert M14 x 1.5 x 21mm - 6/Pk - Heli Coil Products

The Heli-Coil R3745-14 Thread Repair Inserts provide a robust, professional-grade solution for repairing stripped, damaged, or worn M14 x 1.5 threaded holes in demanding automotive and industrial environments. These precision-engineered helical inserts create a new, stronger internal thread that often exceeds the strength of the original material, offering a durable alternative to costly component replacement.

Key Features

• Precision M14 x 1.5 Metric Thread: Engineered for exact M14 x 1.5 specifications, ensuring a secure and compatible fit for critical metric fastening applications.
• Durable 304 Stainless Steel Construction: Crafted from high-quality 304 stainless steel, these helical inserts offer superior corrosion and wear resistance for lasting repairs.
• Enhanced Thread Reinforcement: Designed to generate a stronger internal thread capable of withstanding higher loads than the original tapped hole, preventing future thread failure.
• Vibration and Impact Resistance: The unique coil tension securely anchors the insert, resisting loosening caused by vibration or impact in harsh operational settings.
• Convenient 6-Pack: Supplied in a pack of six, ensuring multiple R3745-14 inserts are readily available for various repair or reinforcement tasks.

Applications

Heli-Coil M14 x 1.5 x 21mm inserts are essential tools for professional technicians and mechanics. They are frequently used to provide a permanent, high-strength thread repair for stripped spark plug holes, oil drain plugs, exhaust manifold studs, and other critical threaded components in engine blocks, transmission cases, and chassis assemblies across a wide range of vehicles. Beyond automotive, these helical inserts effectively restore worn threads in heavy industrial equipment and machinery, ensuring reliable operation and creating robust, permanent threads in softer materials like aluminum and magnesium during manufacturing or assembly processes.

Specifications

• Manufacturer: Heli Coil Products
• Model Number: R3745-14
• Product Type: Thread Repair Insert
• Thread Size: M14 x 1.5
• Length: 21mm (1.5x diameter)
• Quantity: 6 inserts per pack
• Material: 304 Stainless Steel
• Packaged Weight: 0.1 lbs
• Packaged Dimensions: 3.5 x 2.75 x 0.75 inches