The bangle that we present here is made of sterling silver.

It offers a very particular style since it consists of two parts connected to each other by two screws, also in silver. This custom made bracelet is very different from the bangles in our bracelet collection visible here (fr).

The style is original but complicates the wearing of this bracelet that requires a screwdriver. It will be a jewel worn permanently that will be removed only from time to time.

screw bangle

Custom silver screw bangle via our online creation service

Here are some examples of other realizations of bracelets made in our jewelry workshop :

Turquoise bangle Torque bangle scarab bracelet

Manufacture of the silver bangle 

The manufacture of the bracelet begins with the casting of a silver bar which is rolled at first to give it about the right diameter and then passed through a die to give it the round shape and the exact diameter desired.

screw bangle

The silver bar is then annealed to shape it.

screw bangle

screw bangle

Our round bracelet at first, we will give it its oval shape thereafter

The two half-bracelets are then cut with a manual cut.

screw bangle

Cutting the bracelet to get our two halves

We then proceed to drill the screw hole, with a forest at first and then with a tap, as we would in a steel piece.

screw bangle

Here we see a test assembly of a silver screw in our bracelet

Once the threads and screws made, here is what gives the assembly of the bracelet.

screw bangle

screw bangle

Close up on the screw of the bracelet

screw bangle

Bangle disassembled with its front screws finishes

Manufacture of the screws 

The screws are made of silver from a silver wire with the help of a die to create the external thread of the screw.

Attention, we are talking here about another type of tools, even if it is called in the same way as the tool allowing us to put the diameter of the silver wire.

screw bangle

Die for threading screws

The manufacturing principle is the same whether for a silver or gold screw.

A wire of the right diameter is made like this gold wire.

gold screw

The thread is made using our die.

gold screw

The gold bar or threaded silver is then cut to get the right length.

gold screw

The screw head can then be welded, retouched and the groove made for the screwdriver to turn the screw.

gold screw

gold screw

View showing two silver and gold screws made according to the same principle

We can then appreciate the pictures of the fully polished bangle bracelet.

screw bangle

screw bangle

 

For further :

September 19, 2019 — Hugo Maherault

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