What is the material of the special heavy-duty sleeve?
2023-05-24 19:07:56
The sleeve tool has the advantages of dimensional accuracy, tensile strength and wear resistance compared with general steel tools. The surface treatment of the product is a black coating on the surface, and a surface is sprayed with a gray hammer pattern.
Heavy-duty sleeves are available in metric and inch sizes. Although the sleeve has the same concave shape, the sleeve head is a concave hexagonal cylinder. The inner hexagonal edges of the sleeve are arranged according to the bolt type, and can be selected as needed.
The sleeve head refers to the abbreviation of the socket wrench. Simply put, it is a special tool for tightening or unscrewing screws, specifically for threaded fasteners that pull the Hex Nut.
Special hand tools that need to be produced in accordance with drawings or construction intent. Different from civilian hardware tools. It has a higher hardness, a larger and thicker body, and a wider range of applications. Steel adjustable wrench, steel tap wrench, steel tap wrench, special sleeve, steel F wrench, steel hexagonal crowbar. Top, thimble, listening to the needle, etc.!
Special tools: the introduction of German technology, in line with the German DIN7444 standard (GD/T4388-1995, GB/T4389-1995, GB/T43390-1995) using high-quality alloy structural steel, die forging type workpiece through forging and passing 630-1600T large motorcycle The press is calendered.
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