Haixin® ISO4033 hex nut is thicker than ordinary ISO4032 hex nuts.ISO4033 hex nut is full compatible with the ISO standard and meets the mechanical requirements of ISO898-2. Our factory pays high attention to the traceability. Heat no and production barcode follow the whole production process from raw material to final package. Each manufacturing lot of ISO4033 hex nut should be marked with a unique batch no.to ensure complete traceability. To choose Ningbo Haixin is to choose quality, safety and ease.
Product Parameter (Specification)
| Standard | Grade | Diameter | Surface |
| ENISO4033 | Class 9 | M12-M48 | Plain |
| Class 12 | Zinc Plated | ||
| HDG |
Product Feature
Haixin® ISO 4033 hex nut specifies the characteristics of hex high nuts, style 2, with threads from M5 up to and including M36, with product grade A for threads d ≤ M16 and product grade B for threads d > M16.Mechanical properties of steel ISO 4033 hex nut is per Property class 9 and class 12.The steel for ISO 4033 hex nut shall have sufficient harden ability to ensure a structure consisting
of approximately 90% martensite in the core of the nut.
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