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DATIAN (DT) FASTENER
A Professional High-Strength Fasteners Manufacturer

Started in 2006 with ISO 9001 Certification. The Leading Metric Nuts Supplier In China.

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About Datian Fastener

DATIAN (DT) Fastener, also known as DATIAN High Strength Nuts, is a member of China Fastener Association, specializing in the production of various standard hexagonal nuts, high strength hex nuts, square nuts, flange nuts, self-locking nuts, T nuts, non-standard nuts, and various standard bolts and screws.

As an ISO9001 certificated custom fastener manufacturer, we have heat treatment machines in-house and our wholesale fasteners are widely distributed to America, Europe, Southeast Asia, and Middle East.

2006
Founded
ISO 9001
Certified
M10-M100
Metric Range
3/8"-4"
Inch Range
Industrial fasteners manufacturing

Our Products

High-quality fasteners manufactured to international standards including ANSI, DIN, BS, JIS, ISO, AS, and UNI.

Hex Nuts

ISO 4032/4034/4036, DIN 934/971/555, AS 1112/2465, BS1981/4190

  • Class 8, 10, 12
  • GB 6170/6171/6175/51
  • UNI 5587-5590

Heavy Hex Nuts

ASTM A563, ASTM A194, AS 1252

  • Class 8, 10
  • DIN 6915
  • BS 4395-1

Structural Nuts

EN 14399-3/4, ISO 7414/4775

  • GB 1229 Class 8, 10
  • UNI 5713
  • JIS B 1186

Flange Nuts

ANSI/ASME B18.2.2, EN 1661/14218

  • ISO 4161
  • DIN 6331/6923/977
  • JIS B 1190

Square Nuts

ANSI/ASME B18.2.2, DIN 557/562

  • UNI 5597
  • JIS B 1163
  • Available in carbon & alloy steel

Locking Nuts

DIN EN 1663, BS 4929-2

  • ISO 7041 GR. 9, 12
  • GB/T 889.2
  • Self-locking domed cap options

Acorn Nuts

DIN 1587, GB/T 923, SAE J 483

  • UNI 5721
  • JIS B 1183
  • Assembling type available

Wing Nuts

DIN 314, ASME B 18.6.9

  • JIS B 1185
  • High wing - round nose
  • Hand-tightening design

T-Nuts

DIN 508, JIS B 1167, UNI 5531

  • GB/T 12868
  • For rail & track systems
  • High strength alloy options

Heavy Hex Bolts

A325, A193 B7, DIN 933, A307B

  • High tensile strength
  • For structural applications
  • Custom lengths available

All Threaded Rods

DIN 975/976, A193 B7

  • ASME B 18.31.2 Double End Studs
  • Continuous threading
  • Stainless & carbon steel

Custom Fasteners

Non-standard nuts & bolts

  • OEM/ODM services
  • Prototyping available
  • Material: Carbon, Alloy, Stainless Steel
View Full Product Catalog

Markets We Serve

Our high-strength fasteners are trusted across critical industries worldwide.

Railway Industry

Automobile Industry

Machinery Industry

Industrial Manufacturing

Pipeline Industry

Construction Sector

Marine

Petrochemical

Wind Power

Structure Engineering

Quality control in fastener manufacturing

Quality Control: Our Top Priority

At DT Fastener, we always value quality at the top — the way enterprises survive.

Raw Material Inspection

Testing appearance, size, elements, performance, and harmful substances.

In-Process Testing

Appearance, size, percussion test, and forging flow line monitoring.

Heat Treatment Verification

Hardness, torque, and tensile force testing for treated products.

Final Surface Testing

Hydrogen embrittlement, coating, and salt spray tests per customer requirements.

Equipped with standard quality testing laboratories and complete testing equipment to ensure the quality of our nuts and bolts delivered to customers.

2006
Founded
ISO 9001
Certified
100+
Standards
Global
Distribution

Contact DTNut

Get in touch with our team for quotes, catalogs, or technical support.

Phone

Available during business hours (China time)

0574-86537069

Email

Send us your inquiry or specifications

kellen@dtnut.com

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