Open shaped wrench, Hex key, Allen key or Allen wrench is a tool used to drive bolts and screws with hexagonal in their heads. Ever Hardware provides custom-made fasteners and customizable packaging.

Galvanization, or galvanisation, (or galvanizing as it is most commonly called in that industry), is the process of applying a protective zinc coating to steel or iron, to prevent open shaped wrench rusting. The most common method is hot-dip galvanizing, in which parts are submerged in a bath of molten zinc. Galvanizing protects in three ways:
It forms a coating of zinc which, when intact, prevents corrosive substances from reaching the underlying steel or iron.
The zinc serves as a sacrificial anode so that even if the coating is scratched, the exposed steel will still be protected by the remaining zinc.
The zinc protects its base metal by corroding before iron. For better results, the application of chromates over zinc is also seen as an industrial trend.

Heat treating is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass.

Screw size (nominal) Socket size (inches) Approximate socket size (mm)
No. 6 7/64 2.78
No. 8 9/64 3.57
No. 10 5/32 3.97
1/4 1/4 4.76
5/16 1/4 6.35
3/8 5/16 7.94
7/16 3/8 9.53
1/2 3/8 9.53
5/8 1/2 12.7
3/4 5/8 15.88
7/8 3/4 19.05
1 3/4 19.05

Ever Hardware makes the world a better place

Category Open Shaped Wrench
Finish Electro-Plating
Thread type Metric/Imperial/According to Request
Material Stainless Steel/Carbon Steel/Aluminum/Brass/Copper, etc.
Brand Ever Hardware
Place of origin China Mainland
Size Customized as required
Open shaped wrench open end flat spanner hand tools all sizes yellow galvanize

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What Client’s Say

Those look great! All the specs look perfect.
Kent De Mond
Perfect ! This is that I need.
Hernán Balboa
Thank you very much.
The bolts are perfect and they’re fits good.
Ashley
The nut fits perfect on our M2.5 screw part.
Height is also ok.
Mirjam
I tested the bolts this morning and they are perfect. Thank you so much.
Bill McDonald

We are professional on precision open shaped wrench and custom-made fasteners services!

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