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Track Bolt (Fish Bolt)
Track Bolts (Fish Bolts)
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Grade 4.6 5.6 8.8 (Gr5) 10.9(Gr8)
Material Q235 35# 45# 40Cr
Mechanical Properities Tensile strength:  ≥400Mpa Tensile strength:  ≥500Mpa Tensile strength: ≥800Mpa  Tensile strength:  ≥1000Mpa
Yield strength: ≥240Mpa Yield strength: ≥300Mpa Yield strength: ≥640Mpa Yield strength: ≥900Mpa
Elongation:≥22% Elongation:≥20% Elongation:≥12% Elongation:≥9%
Cold bending: 90 degree without cracks Cold bending: 90 degree without cracks Cold bending: 90 degree without cracks Cold bending: 90 degree without cracks
Surface Treatment Plain (oiled), Oxide black, Zinc, HDG, Wax, bitumen, Dacromet, Sherardizing
Standard Reference UIC864-2,DIN5903-2,AS1085.4/6/7,BS64,AREMA,JIS,

The sizes we produced
Button Head Oval Neck Track Bolt Diamond Neck Track Bolts  
Dia Length Dia Length
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1/2" 1-3/4" 7/8" 4-1/2"
1/2" 2" 7/8" 5-1/2"
1/2" 2-1/4" 1" 5-1/4"
5/8" 2-1/2" 1" 5-3/4"
3/4" 3" 3/4" 2
3/4" 3-1/2" 7/8" 2-1/8"
3/4" 4" 15/16" 2-5/16"
7/8" 4-1/2" 15/16" 2-1/8"
7/8" 5" 1" 2-5/16"
1" 5" 1" 2-11/16"
1" 5-1/2" 1-1/16" 6"
1" 6" 1-1/8" 6-1/2"
Customization is available !

Track Bolt, Fish Bolt.
  • \Track bolts are used to fasten rail ends together at a joint. The sizes of track bolts are varying with the requirements of the section of rail. The proper diameter and length of the track bolt an be determined by checking the applicable railway standard.The track bolts can be classified into several types, such as, Button head oval neck track bolt, Diamond neck track bolt, Rail bolt NF F50-008, Fish bolt, Track bolt of Russian standard and other special bolts, etc.
Application Criteria of Track Bolts
  • \According to related rail standards, each joint needs to be bolted with at least two bolts in each rail tightened to approximately 400 foot-pounds of torque which develops between 25,000, and 30, 000 pounds of tension in the bolts.
    A) Bolts in use have to be in the proper size and tightly in place.
    B) Bolts have to be installed with AREMA spring washers whereas the nuts have to be installed against the spring washer.
    C) Bolts have to be installed and the nuts have to installed alternately on the inside and outside of the rail.
    D) When bolts and joint bars are moved away, the joint area of the rail and the contact surface of the joint bar have to be cleaned and the joint bar and the bolt threads have to be lubricated.
    E) Safety standards require that on operation are permitted over rails where all bolts are missing or ineffective HuiBo Railway manufactured almost all the Track Bolts what meet the worldwide railway standards, its also our factory's conventional products .Just inquiry us with your specific requirements,we guaranteed to provide you the high quality and competitive products at any time.
HuiBo Railway manufactured almost all the Track Bolts what meet the worldwide railway standards, its also our factory's conventional products .Just inquiry us with your specific requirements,we guaranteed to provide you the high quality and competitive products at any time !
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