brands

attributes.Thread_Size

attributes.Flange_Diameter

attributes.Fixing_Hole_Diameter

attributes.Body_Outside_Diameter

attributes.Body_Depth

materials

attributes.Stainless_Steel_Type

attributes.Finish

attributes.Thickness_of_Material_Maximum

attributes.Thickness_of_Material_Minimum

AVK Plain, M4 Threaded Insert, 7.87mm diameter 6.75mm Depth 7.75mm

AVK Plain, M5 Steel Threaded Insert, 10.54mm diameter 7.6mm Depth 8mm


A threaded insert is a cylindrical tube-shaped piece of metal with an internal thread. Threaded inserts are designed to be placed into existing holes to provide a threaded receptacle so that screws, bolts or other fixings can be installed. Threaded inserts with an external thread are also used to strengthen existing threads or to repair damaged threads usually in metalwork. You can find out more in our [threaded inserts guide](/web/content/discovery/ideas-and-advice/threaded-inserts-guide). **How to fit a threaded insert**The first step is to drill, mill tap or cut a hole of the recommended size into the material the insert will be embedded. The second step depends entirely on the type of insert, the material it will be used with and how the insert will be fitted.**Types of Threaded InsertFor plastic**Plastics are generally categorized into two main types Thermoplastic and Thermoset. These two plastics may sound similar but their physical characteristics are very different. Therefore the type of insert used is different.• ThermosetThermoset plastics, due to cross-linking polymers at the curing stage enhance the materials physical and mechanical properties. This process makes thermoset plastic easier to mill and drill, so a press-fit threaded insert is better for this application.• ThermoplasticThreaded inserts for thermoplastic materials are more specialized and require a slightly different approach. Inserts are installed by heating the metal insert to a specific temperature. Once the desired temperature is reached the threaded insert is pressed onto the plastic. The heat from the metal melts the plastic and the insert fits into the desired position. When the plastic cools the insert is retained.**Threaded inserts for metal**Threaded inserts for metal have an external thread. The insert is simply matched by thread size and screwed into the existing threaded hole.**Threaded inserts for wood**It is possible to use both press-in and thread-in inserts in wood. If however a hardwood is being used it is advised to prepare a slightly larger hole than the insert and secure with a suitable adhesive. Hardwoods have a higher chance of cracking than other woods.**Materials and finishes**Threaded inserts are available in various materials and finishes and metric course threads to suit every application.• Brass• Steel• Stainless Steel (316 & 302)• Bright zinc plated• Clear passivated• Galvanised• Plain**Thread sizes**M3, M3.5, M4, M5, M6, M8 and M10



Threaded Inserts

Sheet Metal & Panel Fasteners

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3577158573

3859839647

835775905

845068664

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Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools

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Electronics Cleaners & Protective Coatings

RS PRO, M3 Brass Threaded Insert diameter 4mm Depth 4.78mm

RS PRO, M6 Brass Threaded Insert diameter 8mm Depth 12.7mm

RS PRO, M4 Brass Threaded Insert diameter 5.6mm Depth 7.95mm

Avk Threaded Inserts

2 Products showing for Avk Threaded Inserts

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