China Ss35 Thread Spike for W14 Fastening Systems Manufacturer
The screw spike production line in Anyang Railway Equipment Co., Ltd(AT) is composed of automatic multi-station cold upsetting machine and thread rolling machine, the maximum output is 60,000 Pcs/day.
Ss35 Screw Spike( with Uls7 flat washer) is also called Ss35 rail screw or Ss35 sleeper screw, it is the fasteners of W14 Rail Fastening System.
Ss35 Rail Spikes are used to fix the tie plate or fasten the rail to the concrete sleeper with the help of Sdu25 plastic dowel.
1. Appearance
The surface should be smooth and clean, and the product identification should meet the requirements of the drawings.
2. Size
Spikes and flat washers meet the design requirements of drawings;
3. Mechanical properties of spike
Physical tensile: tensile strength ≥ 500 Mpa.
Bar test: tensile strength ≥ 500 Mpa, yield strength ≥ 300 Mpa, elongation ≥ 20%.
4. Cold bending performance of Ss35 rail spike
The crack depth of the threaded part after the 30° cold bending test is not greater than 1.0mm, and the anti-rust layer and the superficial layer of the base material are allowed to have slight peeling, wrinkles and cracks.
5. Anti-corrosion coating
Hot-dip galvanizing, Dacromet, galvanizing.
Anyang Railway Equipment Co., Ltd(AT) is the professional manufacturer of Ss35, Ss36 Screw Spikes with different grades such as 4.6, 5.6 and surface finish as plain oiled, Dacromet, oxide black, hot- dip galvanized and sherardizing.
Anyang Railway Equipment Co., Ltd(AT) has automatic and manual screw production lines, which are used to produce various specifications of dog spikes, hexagon screws, or screw spikes with square heads.
Anyang Railway Equipment Co., Ltd has 18 modern professional production lines, more than 1,000 sets of various modern equipment, including inspection and testing equipment, as well as 20 production workshops for railway accessories such as rail clips, spikes, bolts, casting, steel rolling, fishplates, guide plates, rubber, elastic pads, brake shoes. There are more than 130 varieties of fasteners for conventional railways, intercity railways, and high-speed railways, which are widely used in railways, bridges, mining infrastructure, other transportation lines, and various construction projects. Scientific and technological innovation has achieved major breakthroughs and obtained 30 utility model patents and 2 invention patents.