Crarbon steel DIN 557 Square Nuts black

Metric DIN 557 regular pattern square nuts are four sided nuts. Their geometry provides a greater surface area to apply higher torque when tightening and also a greater surface are in contact with the part being fastened, thereby increasing the resistance to loosening. DIN557 square nuts are high-quality fasteners designed for use in a variety of industrial applications. Made from premium grade steel, these nuts are extremely durable and long-lasting, ensuring a secure fit every time. With their square shape and standard sized threads, these nuts are ideal for use with bolts and other threaded fasteners. They are commonly used in construction and engineering projects, as well as in the automotive and electrical industries. Additionally, these nuts are easy to install and provide excellent torque resistance, making them a must-have for any industrial project.

Products Details

Cap Nut Din 1587_02


  • s - size of the hexagon
  • t - length of the thread
  • d - the nominal diameter of the thread
  • h - height of the nut
  • m - hight of the nut part
  • dk - head diameter
  • da - Turning diameter shrinkage
  • dw - contact surface diameter
  • mw - minimum wrenching height
  • Steel: carbon steel
  • Thread: 6H
DIN 557 Square Nuts: Understanding the Basics DIN 557 square nuts are commonly used in construction and engineering projects, particularly in applications that require high strength and durability. These nuts are known for their square shape, which allows for easy installation and tightening using a wrench or other appropriate tool. One of the key benefits of DIN 557 square nuts is their ability to distribute pressure evenly across a joint. This feature is particularly important in applications where there is a high risk of vibration, as it helps to prevent loosening and maintain the integrity of the fastener and joint. In addition to their strength and durability, DIN 557 square nuts are also available in a range of materials, including stainless steel, galvanized steel, and brass. This makes them suitable for use in a variety of different environments and applications, including those that are exposed to high levels of moisture, corrosive substances, or extreme temperatures. Some common uses of DIN 557 square nuts include securing bolts and other fasteners, attaching machinery and equipment to frames or structures, and supporting heavy loads in bridges, buildings, and other structures. When selecting DIN 557 square nuts for a specific application, it is important to consider factors such as the size and thread pitch of the fastener, the material properties of the nut itself, and any specific environmental or performance requirements that may be relevant. Overall, DIN 557 square nuts are a reliable and effective fastening solution for a wide range of construction and engineering projects. By choosing the right size, material, and configuration for your specific needs, you can ensure that your fasteners provide the strength, durability, and performance you require.

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