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ProductsAt present, the company has the ability to produce 50000 tons of rail buckle accessories annually. The product series includes various specifications of spring bars Gauge baffles, switch special pads, joint clamps for 43kg, 50kg, 60kg steel rails, various export products, etc
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AboutThe company was established in 1994 and is a production enterprise specializing in the research and development, production, and sales of railway line specific accessories
Technical Specifications
| Parameter | Specification |
|---|---|
| Dimensions | 1-1/8" dia x 7" length (28.6mm x 178mm) |
| Material | SAE J429 Grade 8 Steel (AISI 4140) |
| Coating | Zn-Ni-Al Triplex Coating (20μm min) |
| Tensile Strength | 180-200 ksi (1,240-1,380 MPa) |
| Proof Load | 150 ksi (1,035 MPa) |
| Torque Value | 950-1,050 lb·ft (1,288-1,424 N·m) |
| Hardness | 33-39 HRC |
| Compliance | AAR M-1014, AREMA 4-3-8, UIC 865 |
| Rail Compatibility | 132RE, 136RE, 141RE joint bars with 1-1/8" holes |
Critical Performance Advantages
Anti-Vibration Design: Spiralock® thread technology maintains clamp load at 15g vibration (per MIL-STD-1312)
Corrosion Defense: Zn-Ni-Al composite coating (ISO 10683) withstands 2,000hr salt spray
Impact Installation: Chamfered tip reduces thread galling by 70% vs. standard bolts
Load-Tested: 320 kN minimum shear strength
Speed Maintenance: Compatible with Hytorc hydraulic wrenches
FAQ Section
Q: Minimum joint bar thickness requirement?
A: Requires 0.75" (19mm) min thickness per AREMA 4-3-8.2
Q: Re-torquing schedule recommendation?
A: Inspect at 50 MGT, re-torque if >15% tension loss
Q: Acceptable thread damage limits?
A: Replace if thread engagement <75% or deformation >0.003"
If you have any needs, please feel free to consult us!
Tag:
Grade 8 Railroad Track Bolts | 1-1/8" x 7" AAR M-1014 Certified | High-Strength Rail Joint
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Henan Xinda Railway Equipment Co., Ltd
Fax: +86-372-2615999
Tel: +86-18567891234
Email:info@xindarail.com
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