Standard: ASTM, DIN, BSW, GB, JIS, UIC, Russian or drawings from
Materail: Carbon steel or stainless steel, Q195, Q235, 35#, 45#,
35CrMo, 42CrMo, 40Cr etc.
Surface Finish: plain (oiled), hot dip galvanized, white zink
plated, yellow zink plated, black, dacromet, geomet or others
specified by the customers.
|D||L||I||Threads Per Inch|
|Nom. Dia. Over Thread||Length Under Head||Min. Thread Length|
|7/8||Under 7",in steps of 1/4" From 7" to 10" in steps of 1/2"||2"||9|
|Additional Sizes Now in Use But Not Recommended for New Designs|
|13/16||Same as above||1-7/8"||10|
|Note: All dimensions given in inches.|
Tolerances: Length (L) ± 1/8", Neck (O and R1) ± 0.0313", Head (A
and H) ± 0.0625", R2 ±0.0175" In ordering bolts, specify the
nominal diameter, "D" , over the threads and not the body diameter.
Signum Machinery Co.,Ltd manufactures railway fasteners and
standard components. As a leading railway fasteners manufacturers
in China,with production license of Chinese railway Ministry,
advanced technology, high precision inspection instruments and
service, our products have been widely exported the USA, Germany,
Spain, Japan, Australia, Italy, Netherlands, Belgium, Poland, the
UK, India, and South Africa etc.
We can provide products according to customers drawings and
samples.Our main products are as following:
1. Elastic Rail Clip and Clamp, SKL clip,E Clip, Deenik clip, Fist
2. Rail Screw Spike/coach screw/drive screw/dog spike;
3. Plastic Dowel/screw dowel;
4. Track Bolt with Nut;
5. Rail Base (Tie) Plate;
6. Rail Fish Plate, Fish Bolt, nut and washers;
7. Railway Shoulder (Insert);
8. Railroad Rubber and EVA Pad;
9. Rail spring washer, Rail plain washer;
10. Rail Clamp plate;
11. Train Block shoe/ Brake block;
12. Rail Anchor;
13. Rail Shoulder;
14. Steel Rail;
15. Steel Sleeper.