Iso4032 Hex Nut
Product: Hexagonal Nuts
Standard: ISO4032
Raw material: Q195,SWRCH35K/45K,40CR,42CRMO,etc.
Surface: Plain,zinc plated,black oxide,H.D.G,etc.
Specification Range: M5-M48
Property Class:6,8,10,12
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Product Introduction
Product: Hexagonal Nuts
Standard: ISO4032
Raw material: Q195,SWRCH35K/45K,40CR,42CRMO,etc.
Surface: Plain,zinc plated,black oxide,H.D.G,etc.
Specification Range: M5-M48
Property Class:6,8,10,12


Product Introduction
ISO 4032 hexagonal nuts are standardized threaded fasteners. Their core function is to mate with external threaded bolts of the same specification, and use the preload generated by thread engagement to fasten two or more components into an integrated assembly, while retaining the feature of detachability. This product is interchangeable with the domestic standard GB/T 6170.
Applicable Specifications and Materials
This standard covers nuts with thread diameters ranging from M1.6 to M64, which can meet the requirements of various assembly scenarios.




Industry Application Scenarios
With stable connection performance and high versatility, ISO 4032 hexagonal nuts are widely used in multiple industrial fields, including:General machinery manufacturing, construction and infrastructure, automotive and transportation, electrical and electronic equipment, as well as household appliances and daily hardware.
Core Performance Characteristics
The performance of ISO 4032 nuts is mainly defined by their property class. They must be matched with bolts of corresponding grades to ensure connection reliability.
Mechanical Properties
Tensile Strength:
Different property classes correspond to different minimum tensile strength values. For example, class 8 nuts have a minimum tensile strength of 800 MPa, which can meet the load-bearing requirements of most industrial scenarios.
Proof Load Capacity:
The nuts can withstand the specified proof load without plastic deformation, ensuring that the threads will not slip or deform under rated load.
Hardness Index:
Both the core hardness and surface hardness meet standard requirements, balancing the strength and toughness of the nuts and avoiding brittle fracture.
Corrosion Resistance:
Carbon steel nuts with galvanized surface treatment can resist mild corrosion in dry environments.
Stainless steel nuts (grades A2/A4) have excellent corrosion resistance and can be used in humid, outdoor or mildly corrosive chemical environments.
Assembly Performance
The hexagonal size and thickness are both standardized, which can be perfectly matched with standard wrenches for efficient assembly and disassembly.
The high thread precision ensures smooth screwing with bolts, avoiding thread jamming caused by dimensional deviation.

Mechanical Properties and Hardness Parameters
The performance of ISO 4032 is defined by a complete technical system consisting of supporting standards for dimensions, mechanical properties, tolerances and test methods. Its performance complies with the latest standard ISO 898-2:2022.
Differences Between ISO 4032 and DIN 934 Nuts

Main Product Sales Markets
Europe, the Middle East and Southeast Asia
Packaging and Logistics
Main packaging materials include: small bags, small boxes, cartons, pallets and iron drums.
Customized packaging is available according to customer requirements.
Flexible bulk ordering plans are provided, and both transportation terms and delivery schedules are negotiable.
Certification and Warranty
The products are certified in compliance with ISO, IATF 16949 and other international quality standards.
Long-term quality warranty and comprehensive after-sales service are provided.
Established in 2005, our company has evolved over two decades of continuous development into a leading regional enterprise in the fastener industry with fully automated end-to-end production. With an annual output value exceeding RMB 130 million, our product range covers diverse market segments from mid-range to high-end and is distributed worldwide

Our factory & quipment




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