What is a multi-purpose ratchet wrench combination? Let […]
What is a multi-purpose ratchet wrench combination? Let's talk about the wrench first. As we all know, the wrench is mainly used to fix and remove bolts. Nowadays, there are various kinds of bolts, so we have to prepare a variety of wrenches when disassembling, which is very inconvenient to work. Well now, Longkou Youxin Hardware Tools Co., Ltd. has launched a new multi-function wrench, also known as multi-function adjustable wrench. The main feature is that one pull is multi-purpose, and various parts can be disassembled and installed. It is convenient to use, efficient, firm and reliable. Lightweight and easy to carry. Someone may ask, how to use the multi-function wrench?
There are two sets of universal wrenches, one small wrench is 210mm long, and the other large wrench is 32mm long. It can be used in small spaces. It can automatically match various nuts, water pipes, screws, round, square, diamond can be screwed, repairing water and electricity, home appliance repair, one set in hand, everything is done!Fasteners are a type of mechanical parts that are used for fastening connections and are extremely widely used. All kinds of fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, meters and supplies.
It is characterized by a wide variety of specifications, different performance and uses, and the degree of standardization, serialization, and generalization is also extremely high. Therefore, some people call a type of fasteners that have national standards as standard fasteners, or simply standard parts.Fasteners include: bolts, studs, screws, nuts, washers, pins, retaining rings, welding nails, rivets, connection pairs, wood screws, self-tapping screws. Since the specifications, dimensions, tolerances, weight, performance, surface conditions, marking methods of each specific fastener product, as well as the specific requirements for acceptance inspection, marking and packaging, are specified in several national industry standards.
Fasteners are widely used mechanical basic parts. With my country's accession to the WTO, it has entered the ranks of major international trading nations. my country's fastener products are exported to various countries in the world, and fastener products from all over the world are also pouring into the Chinese market. Fasteners, as one of the products with a large import and export volume in my country, are in line with international standards. It is of great significance to promote Chinese fastener companies to the world and to promote fastener companies to participate in international cooperation and competition in an all-round way. Strategic significance.