Standard: ASTM, DIN, BSW, GB, JIS, UIC, Russian or drawings from customers.
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.

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. Screw spike/Coach screw/Drive screw/Sleeper Screw, Dog spike/Railroad spike/Lock spike/Cut spike,etc.
2. Rail clip/ Tension clamp/ E, R, SKL clip/ Pandrol clip/ Deenik clip
3. Swivel Bolts/ Track Bolt/ Special bolts/ U bolts/ J bolts/ Anchor 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
We are trying to supply the best products at the best price!

Heavy Metal Square Locking Nut

Signum Machinery Co.,Ltd is located in Taizhou, Zhejiang Province, is a professional fastener company that provides various kinds of Special and Custom-design Components.Covering and area of 12000square meters, 5 production lines, with 80 employees, among which 4 R & D department staff, 7 quality control staff, With advanced technology, powerful processing capacity and excellent service, our products have been exported worldwide.

Our Main Strength is the expertise on railway fastener manufacturing and product quality and punctual delivery. We strictly focus on batch control during production processes, with traceable record and product quality inspection files. Moreover, with our dedicated service, you could count on us for efficiency and satisfaction on your requests.