M24 Railway Track Fishtail Bolts 8.8 Grade with Black Zinc Finish - 24mm Diameter Square Head Lag Screws
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
5-8 work days
Brand:
Kingrail
Product Description
M24 Railway Track Fishtail Bolts
High-strength 8.8 grade fishtail bolts with black zinc oxide finish, designed for secure rail joint connections in railway infrastructure.
Product Overview
Fishtail bolts are specialized fasteners used primarily for connecting rail joint splints (fishtail plates) in railway track systems. These M24 bolts feature square heads for maximum torque application and are manufactured to withstand heavy loads and vibration in demanding railway environments.
Key Applications
- Railway track laying and maintenance
- Metallurgical industry rail connections
- Steel industry track installations
- Crane rail and elevator guide rail fastening systems
Technical Specifications
| Diameter | M24 (24mm) |
|---|---|
| Length Options | 135mm, 145mm, 170mm |
| Material Grade | 8.8 Grade Carbon Steel |
| Surface Finish | Black Zinc Oxide Coating |
| Standards | ASME B18.10, DIN 5903 |
| Head Type | Square Head for High Torque Applications |
Available Materials & Grades
Carbon Steel (Q235, 45#), Alloy Steel, Stainless Steel - Available in Class 4.8, 5.8, 6.8, 8.8, 10.9, and 12.9 grades to meet various strength requirements.
Installation Guidelines
- Apply lubricant to contact surfaces between fish plate and rail
- Stagger nuts inside and outside during threading
- Use proper tightening sequence: middle bolts first, then side bolts
- Utilize 55cm screw wrench for optimal torque application
Quality Assurance
All bolts undergo comprehensive inspection including magnetic particle testing, dimensional verification, and material certification. Our facility maintains SGS-ISO9001:2008 and CRCC certifications for quality compliance.
Additional Railway Products
We supply comprehensive railway components including rail spikes, track bolts, rail clips, steel rails, rail wheels, and related accessories manufactured to GB/TB, AREA, UIC, BS, DIN, ASTM, and AS standards.
Contact Information
For technical specifications, custom requirements, or detailed quotations, please contact our engineering team. We provide material certifications and technical support for all products.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Maanshan Kingrail Technology Co.,Ltd.
Location
Building 1, Cross-border E-commerce Industrial Park, Comprehensive Bonded Zone, Zhengpugang New District, Ma’anshan City, Anhui Province
Contact Person
Amanda