Hebei Hangchi Fastener Manufacturing Co., Ltd. : Your Professional Self Drilling 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.

 

 
  • Galvanized Self Drilling Screws
    Galvanized Self Drilling Screws are fasteners that combine drilling, tapping, and fastening into a single process. Their key feature is the integrated drill bit, eliminating the need for
 

Introduction

 

 

A self-drilling bolt is a type of fastener that combines a drill tip and threaded shank in a single unit. The drill point penetrates the material, while the threads create a secure connection.

 

Parameter

 

Item

Description

Product Name

Self-Drilling Screws

Specifications

M4.2 – M6.3

Material

304 Stainless Steel / Carbon Steel

 

Galvanized Self Drilling Screws

 

Features

Time-Saving Installation
Drills and taps in one step, reducing labor and construction time.

 

High Strength & Load Capacity
Made from high-quality steel, capable of withstanding significant tensile and shear forces.

 

Durability & Corrosion Resistance
Available in galvanized, stainless steel, or coated finishes to resist corrosion.

 

Precision & Reliability
Uniform threads and drill tips ensure consistent performance and secure fastening.

 

Inspection Process

 

①Sample 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.

 

②Testing 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.

 

③Sample Pretreatment
If necessary, the samples undergo pretreatment, such as cleaning, cutting, and sample preparation, to ensure the accuracy and reliability of the testing.

 

④Testing 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.

 

⑤Data 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.

 

⑥Issuance 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.

productcate-1600-223

 

Production Capacity & Lead Time

 
 

Stable Raw Material Supply
A year-round inventory of 500 tons of raw materials ensures stable production and rapid order response.

 
 

High Monthly Output
Monthly production capacity reaches 1000 tons, capable of handling both large orders and long-term supply contracts.

 
 

Comprehensive Internal Production Equipment
Equipped with a full set of hot heading machines, punch presses, imported British laser cutting machines, imported British CNC machine tools, thread rolling machines, injection molding machines, and cold bending forming machines, effectively controlling product quality and delivery time.

 
 

Integrated Surface Treatment Production Line
Ten internal surface treatment production lines support various surface treatment processes, ensuring stable delivery cycles.

 
 

Reliable Delivery Time
Standard products are shipped quickly based on inventory. Customized orders are efficiently arranged through internal production, ensuring predictable and controllable delivery times.

 

 

Certificate

 

productcate-750-1061
productcate-750-1061
productcate-750-1061
productcate-750-1061
productcate-750-1061
productcate-750-1061
productcate-750-1061
productcate-300-300
productcate-750-1061
productcate-750-1061

 

FAQ

 

Q: What materials can self drilling bolts fasten?

A: They are commonly used for steel-to-steel connections, as well as metal decking, light gauge steel, and thin metal plates.

Q: What materials are self drilling bolts made from?

A: Most self drilling bolts are made from carbon steel, alloy steel, or stainless steel, with surface treatments such as galvanized or coated finishes for corrosion protection.

Q: What are the main advantages of self drilling bolts?

A: They offer faster installation, reduced labor cost, strong holding force, and consistent fastening quality, making them ideal for construction and industrial use.

Q: Do self drilling bolts require pre-drilling?

A: No. The drill point is designed to penetrate metal directly, saving time and simplifying installation.

Q: Are self drilling bolts suitable for outdoor use?

A: Yes. Hot-dip galvanized or coated self drilling bolts provide corrosion resistance suitable for outdoor and humid environments.

Q: How is the quality of self drilling bolts ensured?

A: Quality is ensured through raw material inspection, drill point accuracy checks, thread testing, heat treatment verification, and final performance testing.

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

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