Products Description
Frog bolts are one of the key components to ensure the normal operation of the railway turnout system and are used in the frog part of the railway turnout. Frog bolts can fix the railway frog in the turnout position, enhance the stability and reliability of the railway turnout structure, and ensure the safe and smooth operation of trains in the turnout area.
More product information
The frog bolts produced by Gnee Rail are made of high-strength alloy steel and carbon steel, with higher strength, wear resistance and fatigue resistance. They are suitable for general railway lines, as well as high-speed railways, heavy-duty railways and other lines that have high requirements for turnout components.
Frog bolt dimensions：
| Diameter | Commonly available in sizes such as M24, M27, etc. |
| Thread pitch | 3.0mm for M24, and generally 3.0mm or 3.5mm (coarse – thread) for M27 |
| Heat Treat | SAE J429 Grade 8 |
| Core Hardness | Rc 33-39 |
| Min Tensile | 150,000PS |
| Min Yield | 130,000PSI |
Why Choose Gnee's Frog Bolt?
1.High Strength and Stability:
Gnee frog bolts are made of high-strength alloy steel and other materials, such as 35CrMo frog bolts, 42CrMo frog bolts, etc., with high tensile strength and yield strength, and can withstand the huge pressure, impact and shear force generated when the train passes through the frog
2.Good Corrosion Resistance:
Considering the use environment of railway turnouts, Gnee's frog bolts are generally subjected to special surface treatments, such as hot-dip galvanizing, Dacromet treatment, etc., to make them have good corrosion resistance, which can effectively prevent the bolts from rusting and corrosion, and reduce the replacement and maintenance costs caused by bolt corrosion.
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