What are the lead times for production?

The average lead time is 1-3 months for both peak and off-peak seasons.

Do you offer OEM and ODM services?

Yes, we provide OEM and ODM services for railway fasteners.

What grades of bolts are available?

We offer grades ranging from 4.6 to 12.9, including 4.6, 4.8, 5.6, 8.8, 10.6, 10.9, and 12.9.

High Strength Half Thread Square Head Bolt 1/2-13 X 4" Square Railway Bolt Hex Bolt

Name: High Strength Half Thread Square Head Bolt 1/2-13 X 4" Square Railway Bolt Hex Bolt
Brand: Maanshan Kingrail Technology Co., Ltd.
SKU: 2077055242

Anhui, ChinaMaanshan Kingrail Technology Co., Ltd.

US$0.20-0.70

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

Railway Bolt Hex Bolt

Customized

Certification

ISO14001, ISO9001

Other Name

Sleeper Screw, Rail Screw or Lag Bolt,

Material

Q235,10b21,Stainless Steel

Standard

GB/T 1346,GB,JIS,ANSI,DIN,BS

Processing

Hot Rolling

Surface

Bronze,Zinc,Rainbow,Plain,Nickle,Passivated,Electr

Production

OEM ODM

Sizes

M1.6,M2,M2.5,M3,M3.5,M4,M5,M6,M8,M10-M20

Head Type

Pan,Binding,Cheese,Truss,Flat,Oval,Round,Fillister

Drive Type

Slotted(Socket),Square,Pz,Triangle,H,Torx(

Heat Treatment

Tempering,Hardening,Stress Relieving,etc.

Application

Railway, Engineering, Bridge Construction, Buildin

Grade

4.8,5.6,8.8.10.9,12.9

Quality Control

Inspection 100%

Transport Package

Wooden Box/Pallet

Specification

Rail Screw Spike for Wooden or Concrete Sleeper

Trademark

Kingrail Parts

Origin

China

HS Code

86080090

Production Capacity

50000PCS/Year

Key features

Customized Specifications: Customizable railway bolts based on customer drawings, samples, and specific requirements.

Multiple Material Options: Available in Q235, 10b21, Stainless Steel, Carbon Steel, 35#, 45#, and 40Cr grades.

Comprehensive Surface Treatments: Options include Zinc, HDG, Black Painting, Plain, Oiled, Passivated, and Dacromet.

Wide Grade Range: Available in grades 4.6, 4.8, 5.6, 8.8, 10.6, 10.9, and 12.9 for various strength needs.

International Standards Compliance: Meets AREMA, ASTM, DIN, UIC, BS, GB, JIS, ANSI, GOST, and ISO standards.

ISO and CRCC Certification: Manufactured in CRCC and ISO certified facilities ensuring high quality and reliability.

Diverse Head and Drive Types: Includes Pan, Truss, Flat, Oval, Round, Square, and various drive types like Torx and Hex.

20+ Years Industry Experience: Over two decades of specialization in railway fasteners serving global markets.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Maanshan Kingrail Technology Co., Ltd.

Anhui, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.42h

AI-Powered supplier vetting

SummaryThe supplier is a trading company with a primary focus on exporting, contributing 71% to 90% of total sales. It holds ISO 9000 and ISO 9001 certifications, indicating a commitment to quality management. However, the supplier has limited R&D capabilities with only one engineer and lacks SDK availability. Its production capabilities include wheels, track materials, and metal products. The supplier does not maintain overseas warehouses or showrooms and lacks the ability to handle overseas services independently. Customization services are robust, offering various levels of customization, and the supplier provides OEM and ODM services.

CertificationsThe supplier holds ISO 9000 and ISO 9001 certifications, indicating adherence to recognized quality management standards.

R&D capabilityThe supplier has limited R&D capability with only one engineer and no SDK availability, and it did not release new products in the past year.

Production capacityThe supplier has a defined production capacity for wheels, track materials, and metal products, but lacks inventory management and overseas facilities.

Customization capabilityThe supplier offers comprehensive customization services, including OEM and ODM services.