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Fish bolts are used to connect the ends of the rail with the help of rail joints. The size of the fish bolt of the guide rail changes with the change of the rail or the fish plate.

Kingrail Parts specializes in the production and sales of railway fasteners. Kingrail Parts has its own China Railway Bolt Factory. Since 2002, Kingrail Parts has developed into one of the most competitive fish bolts suppliers in China and now has a strong production capacity.

Our railway fasteners can meet the requirements of high-speed railways, passenger trains, heavy rails, ordinary railways, subways, light rails and other railway systems.

Specifications:

Standards: GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS, etc.

Grade: 4.8, 6.8, 8.8, 10.9, 12.9

Material: Q235, 45#, 40Cr, 20Mntib, stainless steel, etc.

Size: M12-M24 or according to customer requirements

Length: 45mm-145mm or according to customer requirements

Surface: plain, black, galvanized or according to customer requirements

Purpose: Used to fix the rail fish plate on the railway track.

Service: OEM

Types of Fish Bolts:

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

2. Cup head oval neck fish bolt
Size: M18, M20, M22, M24, L as ordered
Materials: Middle carbon steel
Standard refers: AS 1085.4, 6&7
Surface treatment: Black

3. British standard track bolt
Size: Dia. 3/4", 13/16", 7/8",15/16",1", L=3-7/8", 4-3/8", 4-5/16", 5", 6-1/4"
Materials: Normal strength, High strength
Standard refers: BS64
Surface treatment: Black
Application areas: British countries

4. Day mark fish bolt
Size: A30, B30, A37, B37, A50, B50, B40N
Grade: 4.6, 5.6, 6.8, 8.8, 10.9
Standard refers: JIS E1107
Surface treatment: Black, Zinc plated, plain oiled

5. Russia standard fish bolt
Size: 27x160
Material: Tensile stress 381KN
Standard refers: GOST 11530
Surface treatment: Plain oiled

Contact Us

Please contact us for more information and a quote.