Heavy - duty hammer wrench with straight handle and high - strength hammer strike on the open - end wrenches

Dead end spanner is the most common style of dead end spanner, the end of the product is a percussion end, one end has a fixed size of the opening For turning nuts or bolts of a certain size. Specifications: 17mm, 19mm, 22mm, 24mm, 27mm, 30mm, 32mm36mm, 41mm, 46mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm After molding, the product is treated with high-temperature blue. In the solution of sodium hydroxide and sodium nitrite with high content, a dense oxide film (Fe2O3 and Fe3O4) is formed on the surface of steel parts at a temperature of more than 140 degrees. Blue film is not resistant to corrosion, so after blue to be immersed in anti-rust oil treatment. Other surface treatments can also be requested by the root customer. 

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