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Product Name Din7504k Hex flange head self drilling roofing screw Material Carbon steel, Stainless steel Surface Finish Yellow zinc, Blackened, Blue and white zinc, Bleached Colour Yellow, Black, Blue White, White Standard Number DIN/ASME/ISO/GB Grade 4.8/6.8/8.8/10.9/12.9 ; A2-...
| Product Name | Din7504k Hex flange head self drilling roofing screw |
| Material | Carbon steel, Stainless steel |
| Surface Finish | Yellow zinc, Blackened, Blue and white zinc, Bleached |
| Colour | Yellow, Black, Blue White, White |
| Standard Number | DIN/ASME/ISO/GB |
| Grade | 4.8/6.8/8.8/10.9/12.9 ; A2-70 |
| Diameter | M1.4 M1.6 M2 M2.5 M3 M4......M80 M90 M100 |
| Thread form | Coarse thread, Medium thread, Fine thread |
| Place of origin | Hebei, China |
| Brand | Muyi |
| Pack | Box+cardboard carton+pallet |
| The product can be customized | |
| 1. The self-drilling screw is essentially a self-tapping screw with the additional features of the drilling tip. Self-drilling screws do not require pre-drilling of pilot holes because they can drill, tap and tighten in one go. When metal is fixed to metal or metal to wood, hardened steel fixtures are usually used
2. Widely used : self-drilling screws can be used to fasten metal plates to another material, and even to connect metal to metal. This not only sets them apart from other common screw types, but also makes them very useful in a wide range of industries and applications. To name just a few, ideal uses include metal roofs, HVAC and plumbing systems, and steel frames |
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| Thread specification | ST2.9 | ST3.5 | ST3.9 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | |
| P | Screw pitch | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| a | Max | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| c | Min | 0.4 | 0.6 | 0.6 | 0.8 | 0.9 | 1 | 1 |
| d c | Max | 6.3 | 8.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 |
| Min | 5.8 | 7.6 | 7.6 | 8.1 | 9.8 | 10 | 12.2 | |
| e | Min | 4.28 | 5.96 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 |
| k | Max | 2.8 | 3.4 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 |
| Min | 2.5 | 3 | 3 | 3.6 | 3.8 | 4.8 | 5.3 | |
| k w | Min | 1.3 | 1.5 | 1.5 | 1.8 | 2.2 | 2.7 | 3.1 |
| r | Max | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
| s | Max | 4 | 5.5 | 5.5 | 7 | 8 | 8 | 10 |
| Min | 3.82 | 1900/1/5 | 5 | 6.78 | 7.78 | 7.78 | 9.78 | |
| d p | 2.3 | 2.8 | 3.1 | 3.6 | 4.1 | 4.8 | 5.8 | |
| Drilling range (plate thickness) | 0.7~1.9 | 0.7~2.25 | 0.7~2.4 | 1.75~3 | 1.75~4.4 | 1.75~5.25 | 2~6 | |
DIN929 welded hex nuts are mainly used in scenarios that require high-strength connections and special shaped connections. This type of nut is connected to the connector by welding and is suitable for situations where conventional bolt connections cannot be made, such as when the connector is too thin or irregularly shaped. The welding process is equivalent to turning two separate parts into a whole, melting the metal at high temperature, mixing it together, and then cooling it. An alloy is added in the middle, relying on molecular force, and its strength is generally greater than that of the parent material.
1. Increase the contact surface and force area: One end of the hexagonal flange nut has a wide flange (i.e. flange surface), which increases the contact area between the nut and the workpiece. According to the principles of mechanics, the larger the force area, the smaller the pressure on the force surface, thereby improving the load-bearing capacity and stability of the nut. 2. Sealing: Due to the hexagonal flange nut having a flange surface fixed on one end of the nut body and a cap fixed on the other end, this design has good sealing performance during use, which can effectively prevent harmful substances such as rainwater, moisture, dust, etc. from entering the nut body, prevent the nut body from rusting, and thus extend its service life. 3. Wide application: Hexagonal flange nuts are widely used in various industrial and civilian fields. For example, they are commonly used in applications such as pipeline connections, stamped parts, and castings that require increased contact surface stability. In addition, hexagonal flange nuts are also used in heavy machinery, automotive engines, and other applications that require high preload force and good anti loosening performance.
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.
Wedge anchors are mainly used for heavy-duty equipment such as pipe gallery hangers, seismic support hangers, glass exterior walls, elevator brackets, shelves, and railings. In addition, it is also suitable for concrete and dense natural stone, metal structures, metal profiles, bottom plates, support plates, brackets, machine beams, beams, brackets, etc.
1. A threaded rod is defined as a machined part with external threads on the rod body. It is usually used to join two or more parts together and provide some tensile strength. In general, threaded rods are usually galvanized to improve their corrosion resistance. 2. The DIN975 standard specifies the requirements for the size, material and physical properties of the threaded rod to ensure its quality and interchangeability. This standard has a wide range of applications in construction, machinery, automotive, aerospace and electronics
1. Increase the contact surface and force area: One end of the hexagonal flange nut has a wide flange (i.e. flange surface), which increases the contact area between the nut and the workpiece. According to the principles of mechanics, the larger the force area, the smaller the pressure on the force surface, thereby improving the load-bearing capacity and stability of the nut. 2. Sealing: Due to the hexagonal flange nut having a flange surface fixed on one end of the nut body and a cap fixed on the other end, this design has good sealing performance during use, which can effectively prevent harmful substances such as rainwater, moisture, dust, etc. from entering the nut body, prevent the nut body from rusting, and thus extend its service life. 3. Wide application: Hexagonal flange nuts are widely used in various industrial and civilian fields. For example, they are commonly used in applications such as pipeline connections, stamped parts, and castings that require increased contact surface stability. In addition, hexagonal flange nuts are also used in heavy machinery, automotive engines, and other applications that require high preload force and good anti loosening performance.
Hexagonal expansion stainless steel is widely used in steel structures, mechanical equipment, bridge engineering, construction engineering, power equipment, subway engineering and other fields. It is suitable for steel, brick walls, concrete and other materials with hollow or solid substrates, and has strong adaptability and reliability.
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.
1.Hex washer head tapping screws with inserts are a common fastener, which is characterized by a hex head and an insert (washer). This design allows the screw to better distribute pressure during tightening, preventing the screw from loosening, while also protecting the surface of the connected parts. 2. Wide application: Hex washer head tapping screws with inserts have been widely used in many fields due to their unique design and excellent performance. Whether in home decoration, machinery manufacturing, electronic products or construction projects, they can play an important role.
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.
Drop in anchors are mainly used for situations where the embedded depth is shallow, by tightening the nut to expand the expansion tube and achieve fastening. This type of screw is suitable for concrete substrates, easy to install, and has high bearing capacity.
DIN557 single chamfered square nuts are mainly used in applications that require high-strength connections and corrosion resistance, such as power engineering, road transportation, home building materials, and other industries. The design features of this nut include a single-sided chamfer, which is easy to install and can improve the stability and reliability of the connection.
Screws are used to connect two objects. Generally, the head of the screw will protrude above the surface of the connected object, making the surface uneven. Countersunk screws can sink below the surface to make the surface flat. Hard objects need to drill countersunk holes at the corresponding position of the countersunk head. In short, the countersunk head means that the head of the screw can keep the surface flat after installation. And wood screws are used to screw into wood for connection or fastening.
1. The cap nut and stainless steel hexagonal slotted nut are matched with an open pin and threaded bolt with holes to withstand vibration and alternating loads, which can prevent the nut from loosening and coming out. 2. Cap shaped nuts with inserts, which rely on tightening the nut to tap the internal thread, can provide anti loosening effect and have good elasticity. The purpose of the 3-cap nut is the same as that of the hex nut. Its characteristic is that when assembling and disassembling, a wrench is used to clamp the main nut, which is not easy to slip. However, only an adjustable wrench, a fixed wrench, a dual-purpose wrench (for the opening part), or a specially designed square hole socket wrench can be used for assembly and disassembly. Mostly used on rough and simple components. 4. Cap nuts are suitable for high-strength fasteners, mechanical fasteners, furniture fasteners, vehicle fasteners, machining special-shaped parts, cold heading special-shaped fasteners, double headed foot U-wires, and building decoration fasteners
Specification:①Thickened multifunctional angle code ②Ordinary multifunctional angle code Instalation scope:used for all kinds of tables,chairs,beds,laminated cabinet,etc.
Product Name DIN6923 Hex Flange Nut Material Carbon steel Surface Finish Yellow zinc Colour...
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