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1. Flange screw is a kind of fastener composed of two parts: hexagonal head and flange (the gasket under the hexagonal is fixed together with the hexagonal) and screw (cylinder with external thread), which needs to be matched with the nut for fastening and connecting two parts with through holes.
2. Hexagonal flange bolt is a particularly common industrial equipment used in industry, because it has the characteristics of accurate decoration and strong endurance, it has been widely used, it is widely used in road and railway Bridges, including industrial and civil construction, cranes, excavators and other heavy machinery
| Product Name | DIN6921 Hex Flange Bolts |
| Material | Carbon steel, Stainless steel |
| Surface Finish | Yellow zinc, Blackened, Blue and white zinc, Bleached |
| Colour | Yellow, Black, Blue White, White |
| Standard Number | DIN6921 |
| Grade | 4.8/6.8/8.8/10.9/12.9 |
| Diameter | M5 M6 M8 M10 M12 M14 M16 M20 |
| Thread form | Coarse thread, Fine thread |
| Place of origin | Hebei, China |
| Brand | Muyi |
| Pack | Box+cardboard carton+pallet |
| The product can be customized | |
| 1. Flange screw is a kind of fastener composed of two parts: hexagonal head and flange (the gasket under the hexagonal is fixed together with the hexagonal) and screw (cylinder with external thread), which needs to be matched with the nut for fastening and connecting two parts with through holes. 2. Hexagonal flange bolt is a particularly common industrial equipment used in industry, because it has the characteristics of accurate decoration and strong endurance, it has been widely used, it is widely used in road and railway Bridges, including industrial and civil construction, cranes, excavators and other heavy machinery |
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| Thread Spec d |
M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | |||
| P | thread pitch | Coarse thread | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | |
| Fine thread1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | |||
| Fine thread2 | / | / | / | 1 | 1.25 | / | / | / | |||
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 46 | ||
| 125＜L≤200 | / | / | 28 | 32 | 36 | 40 | 44 | 52 | |||
| L＞200 | / | / | / | / | / | / | 57 | 65 | |||
| c | min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | ||
| da | A | max | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 | |
| B | max | 6.2 | 7.4 | 10 | 12.6 | 15.2 | 17.7 | 20.7 | 25.7 | ||
| dc | max | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 | ||
| ds | max | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | ||
| min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 19.67 | |||
| du | max | 5.5 | 6.6 | 9 | 11 | 13.5 | 15.5 | 17.5 | 22 | ||
| dw | min | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | ||
| e | min | 8.71 | 10.95 | 14.26 | 16.5 | 17.62 | 19.86 | 23.15 | 29.87 | ||
| f | max | 1.4 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | ||
| k | max | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | 14.4 | 17.1 | ||
| k1 | min | 2 | 2.5 | 3.2 | 3.6 | 4.6 | 5.1 | 5.8 | 6.8 | ||
| r1 | min | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | ||
| r2 | max | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | 1 | 1.2 | ||
| r3 | min | 0.1 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | ||
| r4 | ≈ | 3 | 3.4 | 4.3 | 4.3 | 6.4 | 6.4 | 6.4 | 8.5 | ||
| s | max = nominal | 8 | 10 | 13 | 15 | 16 | 18 | 21 | 27 | ||
| min | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | 20.67 | 26.67 | |||
| t | max | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.45 | 0.5 | 0.65 | ||
| min | 0.05 | 0.05 | 0.1 | 0.15 | 0.15 | 0.2 | 0.25 | 0.3 | |||
DIN935-1 hexagonal slotted nuts are mainly used to fix the front and rear axles of vehicles. By tightening the screws that pass through the front and rear axles, the frame and tires are fixed together. In order to prevent the nut from loosening, it is usually fixed by using an open-ended pin that passes through the groove of the slotted nut. The open-ended pin needs to pass through the middle of the wheel axle screw, and usually both ends of the wheel axle screw need to be drilled. The diameter of the hole and the width and depth of the slotted nut groove determine what specification of open-ended pin is selected.
DIN125 Flat Washer are mainly used to connect two objects, fill gaps, and play a role in sealing, supporting, and fastening. It is widely used in various mechanical equipment, pipeline systems and other connections, with good sealing performance and mechanical strength.
1. TAM Anchor is a special threaded connector, mainly used to fasten parts that need to withstand large tensile forces, such as bridges, buildings, etc. 2. Application:Tam anchors are widely used in many industries. In the auto maintenance industry, they are often used to fix and install lifts. In the construction industry, tam anchors can be used to fix various building accessories. In the hardware manufacturing industry, it can be used with other types of expansion bolts to fix various building components. Tam anchors can also be used in other occasions where pipes or equipment need to be fixed.
DIN125 gaskets are mainly used to connect two objects, fill gaps, and play a role in sealing, supporting, and fastening. It is widely used in various mechanical equipment, pipeline systems and other connections, with good sealing performance and mechanical strength.
1. This Strut Channel Support Solar Panel Bracket features a sturdy steel construction, ensuring a long-lasting and reliable mounting solution for solar panel system. 3. Wide application: The cross-sectional shape of c shape u strut channel steel gives it excellent strength and rigidity, and has good compressive resistance. C shape u strut channel steel is widely used in building structures, supporting structures, and machinery manufacturing.
Hexagonal locking thin nuts are also widely used in the production and manufacturing processes of various mechanical equipment, instruments, household appliances, etc.
It is used to support structural steel columns, lamp posts, heavy equipment, highway signs, and many other applications. Its hook provides resistance, preventing it from pulling out of the concrete foundation when force is applied. Stainless steel bent anchor bolts are used to secure embedded plates, signage structures, columns, and many other structural objects to concrete.
Stud is used to connect the fixed link function of the machine, both ends have threads, the middle is a screw, there are thick and thin. The thick one is called the thick rod or type A, and the thin one is called the thin rod or type B. Mainly used for connecting parts too thick do not use bolts or due to frequent disassembly should not use screw connection occasions, the stud is usually one end screwed into the screw hole, one end is connected with a nut. Each end of an equal length stud is configured with nuts. Generally used in mining machinery, bridge construction, automobiles, motorcycles, boiler steel structure, hanging tower, long-span steel structure and large buildings, flange connectors, machinery and equipment, pipelines, pump plants, motor plants, construction projects, sewage pipes, machine tools, engines and so on.
GB854 Tab Washers With Long Tab is mainly used to prevent bolts or nuts from loosening in vibration environments, ensuring the stability of the connection.
1. Achieving fast connection: Photovoltaic connectors are mainly used to achieve fast connection between junction boxes, combiner boxes, components, and inverters. They make the installation and maintenance process more convenient, reducing labor costs and time 2. Ensure the stability of electrical connections: Photovoltaic connectors ensure stable and reliable electrical connections between photovoltaic modules, which is crucial for the efficient operation of the entire photovoltaic system. The design of connectors needs to consider the requirements of current and voltage to ensure low loss and efficient power transmission 3. Provide waterproof and dustproof protection: Photovoltaic connectors need to have waterproof and dustproof performance to ensure stable operation of the circuit and avoid short circuits or damage caused by moisture or dust. This characteristic is particularly important for outdoor photovoltaic systems
GB62.2 Butterfly Nut (Square Wing Butterfly Nut) is mainly used in occasions that require frequent disassembly and installation, especially suitable for furniture, mechanical equipment, and automotive fields. Its design features include flat square wings on both sides, allowing the nut to be easily rotated by fingers without the need for tools, thereby improving the convenience and efficiency of operation.
As a common fastener, square head bolt is a special type of bolt with a square head and unique shape and characteristics. It is widely used in mechanical manufacturing, construction industry, automobile manufacturing and other fields. 1. Mechanical manufacturing: Square head bolts are widely used in the field of mechanical manufacturing, such as mechanical equipment, machine tools, transmission devices, etc. 2. Construction industry: In the construction field, square head bolts are commonly used to fix various components such as beams, slabs, columns, etc. 3. Automotive manufacturing: In the process of automotive manufacturing, square head bolts are used to secure automotive components such as engines, transmissions, etc.
In the construction industry, square head bolts are used to fix steel mesh to ensure the stability of building structures. In mechanical manufacturing, square head bolts are used to connect various components of mechanical equipment, such as bearing covers, gearboxes, etc. In the automotive industry, square head bolts are used to secure components such as the vehicle body and engine, ensuring the safety performance of the vehicle. In furniture production, square head bolts are used to connect various parts of wooden furniture, improving the stability of the furniture. In electrical engineering, square head bolts are used to secure cable supports, switchgear, and other equipment to ensure the safe operation of circuits.
DIN582 lifting ring nuts are mainly used to connect chains and steel wire ropes, and can also be used for lightweight lifting. The hanging ring nut refers to a component that is screwed together with a bolt or screw to provide a fastening effect, and is a necessary component for all production and manufacturing machinery.
1. DIN7991 adopts countersunk head design, countersunk head screw design so that it can be flush on the surface, will not protrude, increase the aesthetic. At the same time, the hex provides better torque transfer, reducing the possibility of sliding and damage. When the high strength grade (usually 10.9 grade) made of alloy steel is used, it has good tensile and shear resistance. DIN7991 screws make screws easier to install and tighten, and are suitable for applications where frequent disassembly is required 2. Hexagon flat head screw DIN7991 is widely used in many fields, such as automobiles and automobile new energy field, military aerospace field, shipbuilding heavy industry field, medical equipment field, food machinery field, electronic communication equipment field and wind power field.
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