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What is the difference between an insert (helisate) and an ensert?
Both inserts and enserts are tools that can be used to reinforce internal thread . It is a coiled part that is inserted into a screw to improve strength and durability. It is generally referred to as a "threaded insert", but the tools and methods used are different.
Inserts (Helisate)
The insert (helisert) is a threaded bushing with a spring-like coil that is flexible. In advance, a screw larger than the desired size (the same pitch) is machined with a dedicated Tap for insert screws and a Pilot hole of special size, and an insert (helicert) is inserted into the insert screw for use.
As a feature, it absorbs external thread and internal thread lead errors and angular errors and disperses stress, resulting in strong internal thread . In order to achieve the accuracy of the thread after insertion by the accuracy of the internal thread in which the insert (helisert) is inserted, the thread accuracy check uses the Tap for the insert thread and inspects the insert internal thread before inserting the insert (helicert).
・ What is an insert? Coil to insert into the screw?
・ How to use inserts and helisate? Required tools and machining procedures
Enzato
Enzato does not need to be screwed with Tap in advance during the insertion process, and by inserting it into the Pilot hole resin or aluminum by the self-cutting method, internal thread with improved strength can be obtained.
When external thread and internal thread are directly fitted, it is an insert nut with good workability that can be used for resins and aluminum, which are prone to internal thread fracture. Enzato not only does not require a front Tap , but also has a self-locking function for metal materials, resins, and wood, so it is resistant to loosening due to attaching and detaching threads. The thread accuracy of the inner thread of Enzato is 6H.
・ Enzato Manufacturer: KKV Corporation