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. 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
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
9. Plastic dowel / Guide plate/ Nylon insert
We are trying to supply the best products at the best price!
Heavy Metal Square Locking Nut