Hebei Hangchi Fastener Manufacturing Co., Ltd. : Your Professional Bolts Supplier in China
Our company was founded in 2017 and is a high-tech enterprise specializing in the production and sales of fasteners, seismic bracing, photovoltaic brackets, and power fittings.
Quality Assurance
Our products comply with GB/T 19001-2016/ISO 9001:2015 standards.
Wide Sales Area
Our products cover 26 provinces and regions in China and are exported to many overseas markets in Europe, North America, and Southeast Asia.
Intelligent Production System
We are equipped with an ERP+MES management system, achieving an automation rate of 85% in key processes and controlling the product defect rate to 0.12% (the industry average is 0.5%).
Advanced Production Equipment
We have the most advanced hot heading machines, thread rolling machines, and cold bending forming machines available both domestically and internationally. We also have production lines for various processing methods, including cold galvanizing and hot-dip galvanizing.
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High Tensile ScrewsHigh tensile screws with tensile strengths up to grades 8.8, 10.9, and 12.9, offering excellent durability and the ability to withstand greater pressure and tension.
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Stainless Allen Head BoltsThe core features of Stainless Allen Head Bolts are mainly as follows:Strong corrosion resistanceStable strengthComplete range of specifications
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Galvanized Hex Head BoltsGalvanized hex head bolts is a type of hexagonal head bolt that has undergone hot-dip galvanizing process. Its head is hexagonal and the rod has threads. It is mainly used for fastening mechanical
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Large Hex BoltsLarge Hex Bolts are high-strength fasteners with a hexagonal head, primarily used in steel structure engineering and other applications requiring heavy load bearing. They ensure connection stability
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Stainless Steel Lifting Eye BoltStainless Steel Lifting Eye Bolts are heavy-duty lifting connectors that combine a lifting ring and a bolt into a single unit. Made of stainless steel, they offer excellent corrosion resistance and
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Turn Buckle BoltTurn Buckle Bolts have the following characteristics:1. Convenient tension adjustment2. Stable load-bearing capacity3. Multiple material and anti-corrosion treatment options4. High-precision thread
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Brass Socket Head Cap ScrewsThe core features of Brass Socket Head Cap Screws are:1. Corrosion resistance and good electrical conductivity2. Non-magnetic and easy to machine
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Double Ended Threaded BoltA double ended threaded bolt is a connector featuring threads on both ends and a smooth midsection. It is designed to join two components, with the thread specifications being customizable as
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Expandable BoltsExpandable Bolts are post-installed mechanical anchors that achieve anchoring within the base material by generating frictional force exceeding 10kN through expansion. Their core feature is that
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Structural Steel BoltsStructural steel bolts are high-strength fasteners used to connect structural steel members. They are characterized by exceptional toughness and superior shear resistance.
Introduction
Bolts are threaded fasteners designed to be used with nuts to create secure and removable connections between components.
Our bolts are available in standard and custom specifications, suitable for structural and non-structural applications under various working conditions.
Specification
|
Classification |
Specification Range |
Thread type |
Mechanical performance level |
Surface treatment |
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C-grade bolt |
M5 - M64 |
Coarse/fine teeth(optional) |
Level 4.6, Level 4.8 |
Galvanized passivation |
|
A/B-grade bolt |
M3 - M64 |
Coarse/fine teeth(optional) |
Level 8.8 Level 10.9 |
Galvanized passivation |
|
Full threaded bolt |
M5 - M64 |
Full thread (coarse/fine) |
Level 4.6, Level 8.8 |
Galvanized passivation |
|
Fine tooth bolt |
M8×1 - M64×4 |
Fine thread |
Level 8.8 Level 10.9 |
Galvanized passivation |
|
Thin rod bolt |
M5 - M20 |
Coarse/Fine thread |
Level 4.6, Level 8.8 |
Galvanized passivation |
|
Slotted bolt |
M4 - M8 |
Coarse thread |
Level 4.6, Level 8.8 |
Galvanized passivation |
Testing Process
Sample Receiving and Registration: The client submits fastener samples to the testing company. The company receives and registers the samples, recording basic information such as model, specifications, and quantity.
Testing Plan Development: Based on the client's needs and the characteristics of the samples, the testing company develops a corresponding testing plan, specifying the testing items, standards, and methods.
Sample Pretreatment: If necessary, the samples undergo pretreatment, such as cleaning, cutting, and sample preparation, to ensure the accuracy and reliability of the testing.
Testing Implementation: Following the established testing plan, professional testing equipment and instruments are used to test the samples for various performance indicators. This may include hardness testing using a hardness tester, tensile load testing using a tensile testing machine, and chemical composition analysis using a spectrometer.
Data Recording and Analysis: Data generated during the testing process is recorded in detail, analyzed, and organized to assess whether the sample's performance meets the standard requirements.
Issuance of test report: After the test is completed, the company will issue a third-party inspection report based on the test results. The report will list in detail the test items, test methods, test results and conclusions.

After-sales support
Requirement-Based Customization
No complete drawings required. Provide working conditions, load, and environment data. Our engineers complete design, drawings, and process planning, delivering a precise custom solution with a shorter lead time.
Remote Technical Support
Early-stage technical collaboration for connection components, including reliability checks, process optimization, and cost-reduction recommendations.
Installation Guidance
Remote on-site support via video or AR to identify issues and guide correct installation.
After-Sales Service
Free repair, replacement, or return for verified non-human quality issues.

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FAQ
We are one of the most reliable bolts manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to buy high-grade bolts for sale here from our factory. For price consultation, contact us.
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