Overview
An ISO 7045 screw is a screw with a semicircular, lenticular head with a slot: PZ, PH or Torx and a threaded rod. The slot is designed for screwing in the screw with a screwdriver or bit. It can be used as a standalone element or in conjunction with washers and nuts of the appropriate diameter.
Strength class ISO 7045
The ISO 7045 semi-circular head screw is made of steel with a strength class of 4.8 to 10.9. From 8.8, the screw is considered high-strength. Only buy high-strength screws from trusted suppliers. It is made of alloy steel and such screws are used for critical projects where, in addition to high loads and static loads, it is subjected to constant vibration. Such bolts will be especially relevant in bridge construction, instrumentation, and in structures that are located near objects subject to vibration.
Fastening group ISO 7045
Depending on the material of manufacture, ISO 7045 is divided into the following fastening groups:
- High-strength fasteners
- Brass fasteners
- Stainless steel fasteners
- Polyamide fasteners
- Copper fasteners
Materials of manufacture
The screw is made of various materials:
- Steel, which can be additionally coated with zinc or yellow zinc
- Brass - does not need to be coated
- Stainless steel A2 - does not require coating
- A4 stainless steel - no coating required
Application area
ISO 7045 screws are widely used in construction, industry and manufacturing. ISO 7045 screws are designed to connect lightweight metal structures and non-metallic materials. With the help of such fasteners, you can easily and quickly assemble various frames, both metal (frames for assembling small structures such as public transport stops, angels, various temporary structures) and wooden, such as upholstered furniture. The scope of application of the ISO 7045 screw also directly depends on the material of manufacture and the coating of the product:
- Galvanized steel is a good protection against corrosion if the fastener is to be used in an aggressive environment.
- Brass is used if the system is subjected to frequent dynamic, vibration loads.
- Stainless steel allows the use of fasteners at significant temperature changes and in aggressive and humid environments.
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