Hot Forged Nuts With Fine Thread

Core Info

 

Product:Hot Forged nuts with Fine thread
Raw material:45# 
Surface:PLAIN,BLACK 
Size:1.1/2"-2.1/2"
Property Class:2H

 

1. Stronger self-locking and anti-loosening capability With a smaller pitch, the thread lead angle is smaller, resulting in better friction self-locking effect under the same preload compared to coarse threads. It is less likely to loosen on its own under continuous vibration and alternating load conditions, reducing reliance on additional anti-loosening components.

2. Higher preload control accuracy With the same rotation angle, the axial feed is smaller, making it easier to precisely control the tightening torque and axial preload. This is suitable for heavy-duty flanges, pressure vessels, and power connections with strict design requirements for preload.

3. Larger minor diameter of bolts for the same nominal diameter Fine threads have deeper thread depth, resulting in a larger minor diameter of the bolts. The tensile cross-sectional area of the bolt itself is larger. Under static tensile load conditions, the tensile load-bearing capacity of the bolt body is better (note: the shear strength of the thread itself is slightly lower than that of coarse threads).

4. More engaged thread pairs for the same engagement length In heavy-duty structures with limited space and finite wall thickness of connected parts, the same screw-in length can achieve more engaged threads. This is suitable for heavy-load assembly where thick walls are limited and the nut thickness cannot be increased.

5. Axial micro-adjustment capability It allows for small axial displacement adjustment, used for bearing preloading, coupling alignment, and micro-adjustment of gaps in heavy equipment.

6. Better sealing performance With a smaller thread gap, it is suitable for hydraulic and oil-gas flanges, reducing the risk of medium leakage.

1. Petrochemical, Pressure Vessels, and Pipeline Flanges

2. Engineering machinery, mining machinery (vibrating heavy-load parts)

3. Power generation equipment (turbines, hydro turbines, power generation units)

4. Heavy vehicles, rail transit, large chassis suspensions

5. Ships, offshore engineering equipment

6. Heavy-duty machine tool spindles, large transmission equipment

Company covers an area of 1,500 square meters, equipped with advanced production equipment, and realizes one-stop manufacturing of products. The entire process includes: raw material feeding, annealing, wire drawing, cold heading, tapping, heat treatment, surface treatment, packaging and shipment. Our products are exported to Europe, America and the Middle East markets, and their quality has been well received by customers.

 

Our factory & quipment

 

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