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Fish Bolts

Fish Bolt used in Rail Joint

Fish bolt

Fish bolt belongs to the series of rail bolt, or track bolt, which are used to fix 2 fish plate connections onto 2 rail tracks, AGICO fabricate fish bolt using high quality steel materials,such as Q235, 45#, 40Cr, 20Mntib,even stainless steel, covers international standards according to BS, ASTM and DIN, among others.

Fish Bolt and Nut

Fish bolt can be manufactured for the following standards: BS 20M, 30M, 35M, 35R, 50 O, 60A, 75R, 80R, 80A, 95RBH, and 113A; DIN S10, S14, S18, S20, S24, S30, S49, UIC54, UIC60; and AREMA 40ASCE, 60ASCE, 75ASCE, 90ARA, 115RE. Typical fish bolt grades are: 4.8, 6.8, 8.8, 10.9, 12.9, surface treatment can be plain, black, zinc-plated.-Send us your drawing and we can produce it according to your requirements, you will get a free sample before the mass production.

Typical Rail Bolt Specifications

Railway Fish bolt
Grade 4.6 5.6 8.8 10.9
Material Q235 35# 45# 40Cr
Mechanical properties 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 crac Cold bending: 90 degree without crac Cold bending: 90 degree without crac Cold bending: 90 degree without crac
Surface plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing
Standard refers UIC864-2

There are 2 fish bolt types which has been produced most frequently: button head oval neck fish bolts and diamond neck fish bolt

Button Head Oval Neck Fish Bolt

Diameter 1/2" 1/2" 1/2" 5/8 3/4 3/4 3/4 7/8 7/8 1 1 1 1-1/16 1-1/8
Length 1-3/4" 2" 2-1/4 2-1/2 3 3-1/2 4 4-1/2 5 5 5-1/2 6 6 6-1/2
Weight (Kg) 0.097 0.1 0.112 0.183 0.328 0.339 0.356 0.559 0.593 0.8 0.839 0.879 0.995 1.186
Rail Elastic Clip Products

Diamond Neck Fish Bolts

Diameter Length Weight (Kg)
7/8 4-1/2 0.563
7/8 5-1/2 0.651
1 5-1/4 0.889
1 5-3/4 0.895
Note: All fish bolt dimensions given in inches.

Other Fish Bolt Types and Details

Russian Standard Fish Bolt

Russia scale fish bolt Bolt Details
Size 27x160
Material Tensile stress 381KN
Standard GOST 11530
Surface treatment Plain oiled
Rail Elastic Clip Products

Square Head Fish Bolt

Square head fish bolt Bolt Details
Size M20, L as ordered
Grade 4.6, 5.6
Standard DIN5903-2 Type B
Surface treatment Zinc plated, hot dip galvanized

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