HDG Anti-loosening sleeper screw
- Commodity name: HDG Anti-loosening sleeper screw
- Description
-
A rail screw spike, also called sleeper screw, rail screw, collar bolt, or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail. We are engaged supplying a wide range of rail screws, plate screws and screw spikes. These screws are manufactured using high graded raw materials satisfying all the quality standards.
Name
HDG Anti-loosening sleeper screw
Type
Ss5.-150
V20-135
Ss8-140
V23-115
Ss8-150
V23-135
Ss8-160
V23-155
Ss23-160
V23-215
Ss25.-165
V26-115
Ss35.-161
Or the type by customers’ drawings
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 crack
Cold bending: 90 degree without crack
Cold bending: 90 degree without crack
Cold bending: 90 degree without crack
Surface
plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing
Standard refers
ISO898-1, UIC864-1, and NF F500-50
Producing Process

- Raw material
- Wire drawing
- Cutting
- Head forming
- Heat treatment
- Surface treatment
- Final inspection
- Packing
- Shippment
Company Information

Kunshan Alex Railway Fastening Co., Ltd manufactures nearly all kinds of railway fasteners and various standard rail car components. As one of the leading railway fasteners manufacturer in China, we are ISO 9001:2015 certificated, with our skilled workers, sufficient processing capacity and professional service, our products have been widely exported to North America, South America, Japan, Korea, Germany, Spain, Italy, Belgium, Poland, Kazakhstan, Pakistan, Australia, India, Indonesia, Srilanka, Mongunia and South Africa etc.
Except some standard railway fasteners, which can be provided in very short time, all products can be customized according to customers' drawings and samples. Our main products are as follows:
1. Screw spike/Coach screw/Drive screw/Sleeper Screw, Dog spike/Railroad spike/Lock spike/Cut spike,etc.
2. Rail clip/ Tension clamp/ E clip/ PR clip/SKL clip/ DE clip/ RN Clip/ Nabla clip, etc
3. Swivel Bolts/ Track Bolt/ Special bolts/ U bolts/ J bolts/ Anchor bolts/Hook bolts / Foundation bolts/ Stud bolts/ Rod bolts/ Curved bolts/ Tunnel bolts
4. Tie plate/ Base plate / Rail plate/ Rail fixing base/ Rail Pads/ Sole plate/ Sole pad
5. Fish plate / Joint bar / Rail joint/ Splice Bar
6. Track bolt/ T bolt / Rail bolt/ Clamp bolt/ Inserted bolt/ Clip bolt/ Fish bolt/ Square bolt/ Rod bolt /Rail joint bolt
7. Clamp plate/ Rail spring clamp/ Anchor plate/ Steel clip
8. Rail Shoulder/ Rail sleeper Inserts/ Rail Anchors for rail sleepers
9. Plastic dowel / Guide plate/ Nylon insert / Rail insulator
10. Rail pad (Rubber, EVA, TPU, etc.)/ Rail sole plate / Rail adjustment pad
11. Forged or casted rail car spare parts, such as: Pivot Pin, Brake Shoe Key, Brake shoe holder, Friction Wedge, Wearing Plate, Composite Brake Shoe, Disc brake pad, Brake Beam, Load springs, etc.
We want to assist customers to maintain a competitive advantage in the construction and maintenance of railways, to improve customer service efficiency.
Key words:
Screw spike