Products Description
High Quality Rail Bolts For Sale
According to the fastening method and purpose, rail bolts can be divided into square head bolts, T-bolts, square head bolts, round head oval neck rail bolts, diamond neck rail bolts, NF F50-008 rail bolts, fish bolts, Russian standard rail bolts, anchor bolts and other special bolts, etc. As a professional railway bolts manufacturer, Gnee provides all these rail bolts.
GNEE RAIL is committed to providing railway equipment products for global rail transit construction, focusing on creating stable and reliable railway connection systems. Whether it is high-speed railway, urban rail, or traditional railway line, our products always adhere to high quality standards to ensure the safe operation of every track.
Fish bolts
Fish bolts in railway are used to fix fish plates. It is a special shape of bolt. Gnee supply fish bolts and nuts for different types of fishplate.
|
Fish Bolt |
Size |
Grade |
Standard |
Surface Treatment |
|
Square head fish bolt |
M20, L as ordered |
4.6, 5.6 |
DIN5903-2 Type B |
Zinc plated, hot dip galvanized |
|
Cup head oval neck fish bolt |
M18, M20, M22, M24, L as ordered |
Middle carbon steel |
AS 1085.4, 6&7 |
Black |
|
BHON track bolt |
Dia. 5/8"－1-1/2", Length1-1/2"－13" |
Gr2, Gr5, Gr8 |
AREMA & SAE J429 |
Black, Zinc plated |
|
Day mark fish bolt |
A30, B30, A37, B37, A50, B50, B40N |
4.6, 5.6, 6.8, 8.8, 10.9 |
JIS E1107 |
Black, Zinc plated, plain oiled |
Clip bolt & clamp bolt
On the railway line, in order to fix the rails, we use rail fastening units (rail fastening systems). Such as rail pads, rail clamps, rail clamps, rubber pads, plastic pins, etc. Clamp bolts and clamp bolts are components of the rail fastening system.
Clip Bolt: Clip bolt, with the use of rail clip. In the high speed WJ-7 rail fastening system, T-bolt and B1 anchor bolt are required. They need match with elastic rail clips.
|
Standard Reference |
Type |
Finish |
Grade |
Raw Material |
|
UIC864-2 NF F 50-008 ISO898-1 |
M18, M20, M22, M24, M27, etc |
Plain & Oiled, Oxide Black, Zinc Plated, Hot Dip Galvanized, etc |
4.6 5.6 8.8 |
Low Carbon Steel Medium Carbon Steel |
Clamp Bolt: In the KPO clamp rail fastening system, we use HS bolt match with KPO clip.
|
Item |
Dimension |
Weight (Kg) |
|
Clamp bolt with nut |
M22 ×75 M22/S36/H22 |
0.475 |
Anchor bolts
Anchor bolts are inserted into the foundation or underground structure to hold the rail in place. A part of the anchor bolt is embedded in the foundation (usually a concrete structure), and the exposed part is fixed to the rail by cooperating with other fasteners. Common models such as M18, M20, M24 anchor bolts.
|
Bolt |
Size |
Materials |
Standard |
Surface Treatment |
Application |
|
Insert bolt |
M18, M22, L=135, 167, 175, 195mm |
Q235, C35, C45, 35CrMo, 42CrMo |
NF F50-010 |
Zinc plated, hot dip galvanized |
Anchored in concrete sleeper, fastening together with nuts and washers for spring blade type fastening system. |
|
Anchor bolt |
M16 to M48, L=100 to 500mm |
Q235, C35, C45, 35CrMo, 42CrMo |
DIN529, ISO898-1 |
Oxide black, Zinc plated, hot dip galvanized, Dacromet, Sherardized |
Anchored in concrete sleeper for K type fastening system. |
Hook bolts
Due to different loads and running speeds on the track, it is necessary to purchase fastening rail bolts with appropriate strength and size. The hook bolt structure consists of an L/J-shaped bent end, an square neck and a threaded section.
|
Track Bolt |
Size |
Grades |
Standard |
Surface Treatment |
Raw Materials |
|
Hook bolts(J bolt) |
Dia. M20-M36 |
4.6, 5.6, 8.8 |
UIC864 & DIN529 |
Plain & Oiled, Oxide Black, Zinc Plated, Hot Dip Galvanized, etc |
Low Carbon Steel, Medium Carbon Steel, Alloy Steel |
|
B30 Bolt for Metro |
Dia. 30mm |
- |
- |
Dacromet |
Low carbon steel Q235. |
T bolts
T-bolts are designed to accommodate the vibration and loads in railway transportation, taking into account the requirements for torque and seismic resistance. The head shape of these bolts is usually T-shaped for easy installation and maintenance.
|
Size |
Materials |
Standard |
Grade |
Surface Treatment |
|
|
T Bolt |
M5-48 |
Q235, 45# |
GB37-88 |
4.6, 5.6, 8.8, 10.6, 12.9 |
Natural or according to customers' requests |
Tunnel bolts
Gnee specializes in the production of various tunnel segment bolts.
Specifications include: double-headed straight segment bolts, double-headed curved segment bolts, hexagonal curved segment bolts, hexagonal arc thread segment bolts, hexagonal flange arc thread segment bolts, non-standard segment bolts.
|
Type |
Surface |
Grade |
Types |
|
|
Tunnel Bolt |
available by customers drawings and samples . |
plain (oil ) black.zin .HDG etc |
4.6.4.8.8.8.10.9. |
Square flange bolts with round thread, special curve bolt, spear bolts with special pitches, etc. |
Why Choose GNEE?
who choose us?
Our rail bolt products comply with a variety of international standards, such as AREMA, DIN, BS, GB, etc., and can be widely used in railway construction projects in different countries around the world. Years of export experience have given us a deep understanding of the project requirements of various countries and strong product adaptability.
one-stop solution
professional team
high quality
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