Customized L J Bolt Umbrella Thread Non-Removable with HDG

Model NO.: NRB-7


Type: Customized L U Bolt Umbrella Thread Non-Removable


Head Style: Odd Shaped


Grade: Customized


Finish: Black


Certificate: ISO9001:2008


Surface Finish: Plain, Black, Phosphate, Zinc , HDG


Process Control: Internal


Inspection Reports: Chemical Composition, Physical Property and Sizes


Production Update: Weekly Reports Will Be Provided


Specification: UIC, DIN, BS, GB, JIS, etc


HS Code: 7318150000




Material: Carbon Steel, Alloy Steel, Stainless Steel


Connection: Common Bolt


Standard: DIN, ANSI, GB, JIS, BSW, GOST


Application: Building


Raw Material: Q235, 35#, 45#, 35CrMo, 42CrMo, 40cr


Std No.: Uic,DIN,BS,GB,JIS,etc


Sizes: 3/8", 1", 1 3/8", 1 1/2" or Others


Inspection: Internal and 3rd Parties


Sample Policy: Sample Free, Freight Collect


Trademark: ALEX


Origin: Suzhou, Jiangsu




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.

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
1		2-1/4"	8
1-1/8		2-1/2"	7
Additional Sizes Now in Use But Not Recommended for New Designs
13/16	Same as above	1-7/8"	10
15/16		2-7/8"	9
1-1/16		2-3/8"	8
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.

Kunshan Alex Railway Fastening 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 clip;

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.

Contact us if you need more details on Hollow Drilled Bolt. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Odd Shaped Pyramidal、HDG Surface. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Special Fasteners > Special Fasteners