Cut out a piece.

Fixture.

Set in fixture.

Drilling.

Cutting.

Cutting.

Cutting.

Cutting.

Cutting.

hardening.

Drilling.

Drilling.

Making threads inside the drilled hole.

Making threads inside the drilled hole.

(Tools for making female thread were procured from UK.)

Making screw threads.

Processing of brass material.

Temporary set.

Placement of all parts.

Fixture(retainer).

Assembly complete.