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Premium Bolts & Nuts from China

ISO9001 Certified manufacturer of high-strength fasteners for construction, automotive, and heavy industry. Exporting globally with OEM support and custom specifications.

Industrial Fasteners

About CyBoltNut

A trusted manufacturer of industrial fasteners based in Hebei, China, delivering high-quality bolts, nuts, washers, and threaded rods to global markets.

Precision Engineering, Global Standards

Hebei Chengyi Engineering Materials Co., Ltd. operates under ISO9001 certification, ensuring every product meets international standards including DIN, ANSI, and ISO.

With over 191 bolt types, 106 nut variants, and specialized washers and threaded rods, we support OEM customization and bulk orders for construction, mining, oil & gas, and automotive industries.

  • ISO9001 Certified Manufacturing
  • OEM & Custom Specifications Accepted
  • Exported to Europe, Asia, Americas
  • 30-Day Quality Warranty
Factory Interior

Our Premium Products

Engineered for strength, durability, and precision across industries.

DIN933 Hex Bolt

DIN933 Hexagon Bolt

High Strength Carbon Steel with Oxidation Blackened Finish

  • Grade: 8.8 / 12.9
  • Finish: Black Oxide
  • Standard: DIN, ISO
  • Material: Carbon Steel
Get Quote
Galvanized Flange Bolt

DIN 6921 Flange Bolt

Galvanized Hex Flange Bolt with Toothed Washer

  • Grade: 8.8
  • Finish: Galvanized
  • Standard: DIN, ISO9001
  • Application: Construction Machinery
Get Quote
DIN912 Allen Bolt

DIN912 Allen Key Bolt

12.9 Grade Hex Socket Cap Screw

  • Grade: 12.9
  • Finish: Black
  • Size: M8 - M25
  • Material: Alloy Steel
Get Quote

DIN975 Threaded Rod

Full Thread Stud, Stainless & Carbon Steel

  • Strength: 8.8 / 10.9
  • Finish: Plain, Galvanized
  • Size: M6 - M36
  • Standard: DIN, Custom OEM
Get Quote

DIN985 Nylon Lock Nut

Metric Hex Lock Nut, Black or Zinc Plated

  • Grade: 8 / 10
  • Finish: Black Oxide, Zn Plated
  • Size: M20, M16, Custom
  • Application: Automotive, Heavy Industry
Get Quote

DIN127 Spring Washer

Thickened Open Spring Washer, 8.8 Level

  • Material: Carbon Steel
  • Finish: Black, Zinc, Plain
  • Standard: DIN
  • Use: Heavy Industry, Vibration Control
Get Quote

Solar Roof Mount Bolt

Stainless Steel Hanger Bolt for Solar Panels

  • Material: 304 Stainless Steel
  • Finish: Plain
  • Use: Solar Roof Mounting Systems
  • Feature: Corrosion Resistant, Stable
Get Quote

ASTM A193 B7 Stud Bolt

High Tensile Strength Stud Bar for Oil & Gas

  • Grade: B7 / A194 2H
  • Finish: Black, Zinc, Fluorocarbon
  • Application: Oil & Gas, Mining
  • Warranty: 30 Days
Get Quote

Factory Tour

Located in Hebei, our modern facility spans thousands of square meters with automated production lines for bolts, nuts, washers, and threaded rods.

We maintain strict process control from raw material inspection to final packaging, ensuring consistency and reliability in every batch.

Factory Tour

Quality Control

Every product undergoes rigorous testing for tensile strength, hardness, coating thickness, and dimensional accuracy.

  • ISO9001:2015 Certified
  • Material Traceability & Certificates
  • Third-Party Lab Testing Available
  • 100% Final Inspection Before Shipment
Quality Inspection
379+
Products
191
Bolt Types
106
Nut Variants
30+
Countries Served

Frequently Asked Questions

Do you accept OEM orders?

Yes, we support OEM manufacturing with custom sizes, finishes, packaging, and branding based on your specifications.

What certifications do you have?

We are ISO9001 certified. Material test certificates (MTC) are provided with every shipment. Third-party inspection (SGS, BV) is available upon request.

What are your main export markets?

We export to Europe, North America, South America, Southeast Asia, the Middle East, and Africa.

What is your minimum order quantity (MOQ)?

MOQ varies by product. For standard items, it starts from 1,000 pcs. We can discuss lower quantities for samples or trial orders.

How do I request a quote?

Visit cyboltnut.com and click "Request A Quote" to submit your requirements including product type, specifications, quantity, and destination.

Get in Touch

Need a quote or have technical questions? Contact our sales team directly through the official website.

Visit Official Website

Hebei Chengyi Engineering Materials Co., Ltd.
Manufacturer of Industrial Fasteners | ISO9001 Certified

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