Hardware tools refer to the general name of various metal devices
manufactured by forging, rolling, cutting and other physical processing of
metals such as iron, steel, and aluminum. Hardware tools include various manual,
lifting tools, measuring tools, tool machinery, cutting tools, jigs and
fixtures, knives, molds, cutting tools, grinding wheels, drill bits, polishing
machines, tool accessories, measuring tools, paint tools, abrasives, etc. Most
of the manual hardware tools sold by Allen wrenches in the world are produced
and exported from my country. China has become the world's main manual hardware
tool supplier.

The marketing of the export allen wrench is the early marketing model,
which is based on the production of the enterprise. It does not design, develop,
and manufacture products from the perspective of consumers. The philosophy is
"what you produce, you sell." . In this way, the marketing of Allen wrenches
dominated the marketing field of that period, and there was no position of the
marketing department in the design of the enterprise department. The production
department and the sales department occupied a dominant position in the
development of the enterprise.
The outer edge of the screw head of the hexagon socket screw is round, and
the middle is a recessed hexagon, while the hexagonal screw is the kind of
common screw head that has a hexagonal side. The hexagon socket screwdriver
looks like a "7". Cut both ends of a hexagonal steel bar and then bend it to 90
degrees to form a hexagon socket screwdriver. It is sold in hardware tool
stores. All kinds of wrenches were manufactured in the years when hexagon socket
screws appeared, but they did not have a unified name. It was not until 1943
that the Allen company located in Connecticut, USA, registered a trademark for
its Allen wrench or key, and named it "Allen wrench or key". Later, with Allen's
growing influence, "Allen key" gradually became a hexagon socket. The common
name of the wrench.
The allen wrench can be passed down to this day and become an indispensable
tool in the industrial manufacturing industry. The key lies in its uniqueness
and many advantages:
1. It is simple and lightweight.
2. There are six contact surfaces between the hexagon socket screw and the
wrench, which are fully stressed and not easy to damage.
3. It can be used to screw the screws in deep holes.
4. The diameter and length of the wrench determine its torsion force.
5. It can be used to screw very small screws.
6. Easy to manufacture and low cost.
7. Both ends of the wrench can be used.
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