7 Advantages of Using Threaded Inserts

11/30/18

7 Advantages of Using Groov-Pin Threaded Inserts

 

Groov-Pin threaded inserts are cylindrical metal bushings with features on the outside that lock them into a plastic or metal base material to anchor fasteners. We manufacture Tap-Lok® thread-cutting threaded inserts, and Speedserts® and Barb-Sert® thread-forming threaded inserts. While each style performs in a range of materials, inserts are generally classified by method of installation: thread-cutting, thread-forming, push-in, or ultrasound. You can find more information about installation in our Threaded Insert FAQs.

Threaded inserts provide high-quality, permanent, wear-resistant internal threads and are designed to be installed in molded or drilled holes in one simple step. In addition to these, there are many other advantages to using Groov-Pin threaded inserts - here are seven major benefits:

 

1. GREATER CLAMPING PRESSURE

Using threaded inserts from Groov-Pin in a drilled or molded hole provides up to 50% more clamping pressure than the same fastener used in a drilled or tapped hole without an insert. In plastic and softer metal, stronger assembly forces and better seals are achieved. In basic terms, the external diameter of the threaded insert is larger than the internal threaded diameter that accepts the fastener. The insert increases the effective load-bearing area, thereby increasing the shear force required to pull the fastener and insert from the base material.

 

2. VIBRATION-RESISTANCE

Threaded inserts, once installed, remain firmly locked into the base material and will withstand vibration without loosening. During the installation process, proprietary features on the outside of the insert capture the base material in a way that resists axial and rotational forces. The vibration-resistance of threaded inserts has been proven time and again in tests conducted by independent laboratories, government agencies, and commercial users.

 

3. HIGH-QUALITY THREADS

High-quality, standard-tolerance threads can be installed quickly into simple drilled or molded holes, without a tapping operation. Secure threads help create stronger, longer lasting assemblies.

 

4. COLD FLOW RESISTANCE

When used in plastics, threaded inserts reduce the loss of clamping pressure due to creep or cold flow of the base material. The inserts are designed to better distribute clamping forces to soft base materials. The insert will act as a metal bushing, providing a metal bearing surface for both fastener and mating component.

 

5. MOLDING ADVANTAGES

The use of post-molding inserts in plastic parts simplifies and reduces the risk in the press cycle. Since inserts are quickly installed after the part leaves the mold, the press is not left idle while inserts are loaded into the mold and the potential for damage to the mold from dislodged or misplaced inserts is eliminated. Automatic installation of the inserts combined with better press up time can provide significant labor savings when compared with molded-in inserts.

 

6. WEAR-RESISTANCE

Threaded inserts are designed to be permanent fasteners. The internal standard machine screw threads feature a lead-in chamfer or a counterbore to readily accept standard threaded fasteners during production or service. Threaded inserts can be used almost indefinitely, unlike thread-forming screws which cannot maintain clamping pressure after repeated use. Also, the risk of crossed or stripped threads in expensive moldings or castings is dramatically reduced. Should the need arise, inserts can be replaced in the field or at a service site.

 

7. SIMPLE INSTALLATION

Groov-Pin threaded inserts are designed for simple, economical installation and are compatible with automatic installation methods. One-step installation provides permanent, reinforced threads in metal, plastic, cast, and molded parts. Since they cover the spectrum of installation methods, Groov-Pin inserts are widely chosen by OEMs for medium- and high-volume production.

Author: Lauren Ciuba

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