RS PRO Steel Square Nut M8 13mm Left Hand Thread Bright Zinc Finish DIN 562 Grade 8.8 837-307

RS PRO 837-307 Steel Square Nut M8 13mm is a premium fastening solution designed for industrial and maintenance applications requiring reliable holding power and ease of use in tight or blind locations.

The square design with four broad sides ensures that the nut can be easily gripped by pliers or spanners without the risk of rounding off the bolt threads during tightening or loosening. This makes it particularly valuable in situations where precise torque application is required or where access angles are limited.

This nut conforms to DIN 562 standards, assuring robust mechanical properties and consistent performance under load. The Grade 8.8 steel composition provides high tensile strength suitable for a broad range of mechanical fastening applications in construction, machinery assembly, and maintenance industries.

Equipped with a left hand thread, this M8 sized nut (13mm width) is commonly used in specialized applications where reverse threading is necessary to prevent loosening under rotational forces.

Square nuts like this one are ideal for applications combining ease of grip with reliable fastening stability. They maintain strong surface pressure against parts, helping to resist vibration-induced loosening and maintaining assembly integrity over time.

Constructed from high-grade steel for durability and strength. Features a bright zinc plated finish providing resistance to corrosion. Designed as a square nut with four broad sides for easy gripping with spanners or pliers.

Complies with DIN 562 standards ensuring quality and reliability. Grade 8.8 offering high tensile strength and load bearing capability. Left hand thread suitable for specific fastening applications. Commonly paired with square-headed screws and bolts for secure fastening.

Ideal for applications requiring firm surface pressure to prevent loosening.

RS PRO products are trusted by professionals across industrial, construction, and maintenance sectors for their quality, reliability, and value. Whether for heavy machinery assembly or precise maintenance tasks, this Square Nut ensures dependable performance. Explore the wide RS PRO range on EnvMart for complementary fastening hardware and tools.