Metric Nuts

Metric Nuts

Metric Hex Nuts - Std. Pitch - Class 8

Metric Hex Nuts - Std. Pitch - Class 8

Metric Hex Nuts - Std. Pitch - Class 10

Metric Hex Nuts - Std. Pitch - Class 10

Metric Hex Nuts - Fine Pitch

Metric Hex Nuts - Fine Pitch

Metric Nylon Insert Lock Nuts - Std. Pitch

Metric Nylon Insert Lock Nuts - Std. Pitch

Metric Nylon Insert Lock Nuts - Fine Pitch

Metric Nylon Insert Lock Nuts - Fine Pitch

Metric Flange Nylon Insert Lock Nuts

Metric Flange Nylon Insert Lock Nuts

Prevailing Torque Stover Lock Nuts Std. Pitch

Prevailing Torque Stover Lock Nuts Std. Pitch

Prevailing Torque Stover Lock Nuts Fine Pitch

Prevailing Torque Stover Lock Nuts Fine Pitch

Metric Prevailing Torque Flange Lock Nuts

Metric Prevailing Torque Flange Lock Nuts

Metric Flange Nuts - Standard Pitch

Metric Flange Nuts - Standard Pitch

Metric Flange Nuts - Fine Pitch

Metric Flange Nuts - Fine Pitch

Metric Serrated Flange Lock Nuts - Standard Pitch

Metric Serrated Flange Lock Nuts - Standard Pitch

Metric Serrated Flange Lock Nuts - Fine Pitch

Metric Serrated Flange Lock Nuts - Fine Pitch

Metric Acorn (Cap) Nuts

Metric Acorn (Cap) Nuts

Metric Wing Nuts

Metric Wing Nuts

Metric Castle (Slotted) Nuts

Metric Castle (Slotted) Nuts

Metric Rod Coupler Nut

Metric Rod Coupler Nut

Metric LEFT Hand Nuts

Metric LEFT Hand Nuts

Metric Nut Strength Grades and Standards

Metric nuts are manufactured to specific strength grades and international standards that ensure compatibility with corresponding metric fasteners and applications. These nuts feature standardized strength classifications that match the performance characteristics of metric bolts and screws, creating reliable fastening systems. Steel metric nuts typically conform to ISO 4032 and DIN 934 standards, which specify dimensional tolerances, thread specifications, and material requirements. Strength grades for metric nuts range from standard grades suitable for general applications to high-strength options designed for demanding structural uses. The grading system ensures that each nut can withstand the clamping forces generated by corresponding bolt grades without failure. Quality hex nuts and flange nuts are manufactured with precise thread geometry that provides optimal engagement with threaded rod and bolt applications. Lock nut varieties incorporate additional features like nylon inserts or deformed threads to prevent loosening under vibration. These standardized specifications enable engineers to select appropriate nuts based on load requirements, environmental conditions, and compatibility with existing metric fasteners. Professional-grade materials and manufacturing processes ensure consistent performance across different sizes and applications requiring reliable fastening solutions.

Materials and Finishes for Metric Nuts

Metric nuts are available in various materials and finishes designed to meet specific performance requirements and environmental conditions. Steel remains the most common material for metric nuts, offering excellent strength-to-cost ratios for general applications involving bolts and screws. Zinc plated finishes provide enhanced corrosion resistance while maintaining affordability, making them popular choices for hex nuts and flange nuts in moderate environments. Black oxide finishes offer improved corrosion protection with an attractive appearance, particularly suitable for visible applications requiring aesthetic appeal. Stainless steel metric nuts provide superior corrosion resistance for harsh environments, marine applications, and food processing equipment. The material selection affects compatibility with threaded rod and bolt applications, as galvanic corrosion can occur between dissimilar metals. Various sizes are available in each material option, ensuring comprehensive coverage for different metric fasteners requirements. Specialized finishes include hot-dip galvanizing for maximum corrosion protection and passivation treatments for stainless steel varieties. Lock nut options are available across multiple materials and finishes to prevent loosening in vibration-prone applications. Professional suppliers stock comprehensive inventories of materials and finishes to meet diverse application requirements and environmental conditions.

FAQ

Metric nuts are sized using the same threading system as corresponding bolts and screws, with measurements in millimeters. The size designation indicates the bolt diameter the nut will accept, such as M8 or M12. Thread pitch specifications ensure proper engagement with threaded rod and metric fasteners. Hex nuts and flange nuts follow standardized sizing across different materials and finishes for consistent compatibility.

We offer various metric nuts including hex nuts, flange nuts, lock nuts, and specialty configurations. Each type serves specific applications with threaded rod, bolts, and screws. Hex nuts provide standard fastening solutions, while flange nuts offer increased bearing surface. Lock nuts prevent loosening through nylon inserts or deformed threads. All types are available in multiple sizes, materials, and finishes including zinc plated and black oxide.

Common strength grades for steel metric nuts include Class 8 and Class 10, corresponding to bolt grades 8.8 and 10.9 respectively. These grades ensure nuts from Nutty Nuts can withstand clamping forces from matching bolts and screws without failure. Higher grades feature enhanced materials and manufacturing processes. Hex nuts and flange nuts are available in various grades, with zinc plated and black oxide finishes available across different strength levels.

Metric nuts are available with various finishes including zinc plated, black oxide, plain steel, and stainless steel options. Zinc plated finishes provide corrosion resistance for general applications with bolts and threaded rod. Black oxide offers enhanced protection with attractive appearance. Stainless steel materials provide maximum corrosion resistance. Hex nuts, flange nuts, and lock nuts are available in multiple finishes across different sizes and materials.

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