Railway Fasten Screw Spiker of Sleeper for Train

What Are Rail Screw Spikes?‌

Rail screw spikes (also called sleeper screws or lag bolts) are metal screws used to secure rail tie plates or rails to wooden sleepers. They are typically made of Q235 steel and are commonly used in North America (especially the USA and Canada).

‌Types of Rail Screw Spikes‌

1.    ‌SS Series (UIC 864-1 Standard)‌

o    Sizes: M24×140 to M24×165 (0.528–0.657 kg per piece).

o    Used for general railway fastening.

2.    ‌ASTM A66-87 Screw Spikes‌

o    Cold-bend tested to 90° without cracking.

o    Designed for the US market.

3.    ‌Screw Spikes with Big Disk‌

o    Popular in Africa and South America.

o    Sizes: 22–23mm diameter, 115–178mm length.

4.    ‌3V Sleeper Screw (NF F 50006 Standard)‌

o    High tensile strength (≥700 MPa).

o    Cold-bend tested to 30° without cracking.

o    Sizes: M20×135 to M26×215 (0.438–0.78 kg).

5.    ‌Coach Screw‌

o    Used in South African mining industry.

o    Sizes: 18mm diameter, 65–75mm length.

o    Materials: Q195/Q235 steel.

6.    ‌DHS35 Screw Spike‌

o    Part of SKL14 rail fastening system.

o    Sizes: 24mm diameter, 158–161mm length.

7.    ‌T-Type Screw Spike (NF F 50014 Standard)‌

o    Round-thread design.

8.    ‌Double-Head Screw Spike‌

o    Used with Nabla clip system (popular in Africa).

o    Made of TD16 steel (bends 30° without cracking).

o    Size: 23×174mm.

9.    ‌Dive Spike (ASTM A66-87 Standard)‌

o    Low-cost, easy to install.

o    Used in timber construction, highways, and docks.

o    Sizes: 5/8×10" and 7/8×7".

10. ‌Hex Head Screw Spike (UIC 864-1 Standard)‌

o    Slotted head design.

o    Sizes: 24×131mm and 24×150mm.

‌Production Process‌

1.    Raw material → 2. Wire drawing → 3. Cutting → 4. Head shaping → 5. Edge cutting → 6. Thread rolling → 7. Heat treatment → 8. Surface treatment → 9. Final inspection → 10. Packaging → 11. Shipping.

‌Customization‌

We offer coach screws, stud screws, and other custom railway screw spikes based on client requirements.