Double Head Screw Spike to NF Standard

Basic information of Double Head Screw Spike to NF Standard

1.Description: double head screw spike to NF standard

2. Size: 23×174

3. Material to property:

-Grade 4.6, 4.8, 5.6, 5.8, 8.8 to NF F500-15

4. Finish: Hot dip galvanized, or zinc plated according to requirements of customer.

Photos of Double Head Screw Spike to NF Standard

Main styles of Screw spike for different market

* North America-High strength screw spikes

1.Description：High strength screw spikes

2. Size: 1x5-1/8”, 1x6”, 1x7”

3. Specification: high strength, AREMA 2012

4. Finish: Waxed

5.Reference project

NYCT 2.5 million pcs since 2012

* North America-Normal strength AREMA 2012 or ASTM A66

1.Description：Screw spikes

2. Size: 15/16x6”

3. Specification: Normal strength AREMA 2012 or ASTM A66

4. Finish: Plain finished

5. Packing in 50lb plastic keg

6. Reference project

Supplied 3 million pcs since 2010 to North America

* North America-CS screw spike

1.Description：CS screw spike

2. Size: 15/16”x6-1/2”

3. Material to property:

-Tensile strength 120000 PSI

4. Finish: Hot waxed

5. Reference project

Supplied more than 1 million to North America since 2017

* South America

1.Description：Screw spikes

2.Size: 23x105mm/23X110mm

3.Material: 4.6 to UIC864-1

4.Finish: Plain finished

5.Reference project

Supplied 2 million pcs to South America

* South America-No.2 Screw spike

1.Description: No.2 Screw spike

2. Size: 24x145

3. Material to property:

-Grade 4.6 to UIC864-1 or AISI 1020 steel

4. Finish: Plain oiled.

 5.Reference project

Supplied about 2 million pcs to South America since 2006

* Europe

1.Description: BS Screw spikes

2. Size: 1”x6-5/16", 1"X5-1/8",1"X6-1/8", 1"X6-3/8"

3. Material to property:

-Tensile strength 775-925 N/mm2

-Elongation 20%

-Impact strength KCU≥ 65J

4. Finish: Hot dip galvanized, Black

5.Reference project

Supplied more than 1 million to London Underground since 2008

* Ss & DHS for fastening system

1.Description: DHS35 screw spike

2. Size: 24x161

3. Material to property:

-Grade 5.6 to UIC864-1

4. Finish: Hot dip galvanized, or zinc plated according to requirements of customer.

5.Reference project

Supplied about 1 million pcs to Saudi Arabia since 2014 for SKL14 fastening

1.Description: Ss Sleeper screw including Ss8, Ss25,Ss35,Ss36

2. Size: 24x160 (length 150mm is available), 24X161

3. Material to property:

-Grade 4.6, 5.6 and 8.8 to UIC864-1

4. Finish: Plain oiled, hot dip galvanized, zinc plated.

5. Supply reference

Supplied about 2 million to Kazakhstan since 2009 for SKL14 fastening system

Photos of Track spike