Cup head oval neck bolt fish bolt

Cup Head Oval Neck Bolt & Fish Bolt

1. Cup Head Oval Neck Bolt

Product Description:
Cup Head Oval Neck Bolt is a heavy-duty fastener with a cup-shaped head and an oval neck under the head. The oval neck fits into a matching hole or slot to prevent the bolt from rotating during tightening. It is widely used in railway track systems, steel structures, bridges, mining equipment, and heavy machinery. The cup head provides a smooth, low-profile surface that reduces snagging and improves safety.

Specifications:

Product Name: Cup Head Oval Neck Bolt

Material: Carbon Steel / Alloy Steel / Stainless Steel

Grade: 4.6, 5.6, 8.8, 10.9

Size: M12–M36 / 1/2"–1-1/2" or customized

Length: 40–300mm or customized

Head Type: Cup Head

Neck Type: Oval Neck

Thread: Metric, UNC, UNF, BSW

Finish: Plain, Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet

Standard: DIN, ISO, GB, BS, AREMA, or customer drawing

Application: Railway track, steel structure, bridge, mining, heavy machinery

Features: Anti-rotation, high strength, smooth head, corrosion resistance, easy installation

2. Fish Bolt (Track Bolt / Rail Joint Bolt)

Product Description:
Fish Bolt, also known as Track Bolt or Rail Joint Bolt, is specifically designed for connecting rail fishplates (joint bars) to rail ends. It is manufactured from high-strength steel to withstand heavy loads, vibration, and shear stress. Fish bolts are essential components for railway track construction, maintenance, and crane rail systems.

Specifications:

Product Name: Fish Bolt / Track Bolt / Rail Joint Bolt

Material: Carbon Steel / Alloy Steel

Grade: 4.6, 5.6, 8.8, 10.9

Size: M16–M36 or customized

Length: 50–250mm or customized

Head Type: Round, Cup, Oval, Square

Neck Type: Square Neck or Oval Neck

Thread: Metric, UNC, UNF, BSW

Finish: Plain, Black, Zinc Plated, Hot Dip Galvanized, Dacromet

Standard: AREMA, BS, DIN, GB, ISO

Application: Rail joints, fishplates, railway tracks, crane rails

Features: High tensile strength, shear resistance, vibration resistance, long service life

Why Choose Us?

Competitive factory price

Strict quality control

Fast delivery time

OEM & ODM available

Custom sizes and drawings welcome

Bulk order discount supported

Contact us now for a quote!
Please send us your required size, grade, finish, and quantity.