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GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Specifications
Brand Name :
YONGBIAO
Model Number :
Cross Tapping Screw
Certification :
ISO 9001
Place of Origin :
China
Place Of Origin :
ZHEJIANG CHINA
MOQ :
50000
Price :
Negontiation
Payment Terms :
T/T
Supply Ability :
500 Tons/month
Delivery Time :
7-25Days
Packaging Details :
Plastic Bag / Paper Box
Sample :
Free Samples
Usage :
For Fastening Metal To Metal
Measurement System :
INCH, Metric
Standard :
DIN, ANSI, GB, JIS, BSW, GOST
Connection :
Common Bolt
Quality :
100% Inspection
Description
GB39 Square Nut - High-Strength Fastening Solution for Industrial Applications

Product Overview
Our GB39 Square Nuts are precision-engineered fasteners designed for robust and reliable connections in heavy-duty applications. Manufactured in strict compliance with the Chinese National Standard GB39, these square nuts offer superior holding power and are engineered to mate perfectly with standard hex bolts and screws. They are ideal for situations where a wrench cannot easily access a standard hex nut, or where anti-rotation is crucial, such as in T-slot assemblies, machinery, and structural frameworks.
Key Features

  • Premium Material: Made from high-grade carbon steel (Grade 4.8, 8.8 available) or alloy steel, ensuring excellent strength, durability, and load-bearing capacity.

  • Corrosion Protection: Available in multiple surface treatments including Electro-Galvanized (Zinc Plated), Hot-Dip Galvanized (HDG), Black Oxide, and Plain/Unfinished, providing varying levels of rust and corrosion resistance for different environments.

  • Secure Non-Slip Design: The square shape prevents rotation when tightened against a flat surface or within a channel, simplifying assembly and enhancing safety in vibrating equipment.

  • Precision Machining: CNC-controlled production guarantees consistent dimensions, accurate threading, and smooth, burr-free edges for easy and safe handling.

  • Wide Compatibility: Conforms to GB39 standards, ensuring interchangeability with common metric bolts and suitable for use in international projects.

  • Versatile Application: The extended bearing surface distributes pressure effectively, reducing the risk of damage to connected materials.

Technical Specifications
Measurement System INCH, Metric
Standard DIN, ANSI, GB, JIS, BSW, GOST
Process Cold Forging
Finish Zinc Plated
Load Capacity Medium Duty
Usage For Fastening Metal To Metal
HS Code 7318151001
Product Images
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
High Strength Alloy Steel Hex Washer Head Self-Tapping Drill Screw
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Various specifications of threaded rods packaged in plastic containers
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Threaded rods in different sizes and finishes displayed together
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Industrial packaging of threaded rods ready for shipment
Packaging Options
Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Custom packaging configurations are available upon request. Small cartons are consolidated into larger master cartons for secure transportation. Palletized units are wrapped with waterproof film and reinforced with packaging straps, with custom shipping marks available.
Packaging Images
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Threaded rods in industrial packaging boxes
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Bulk packaging of threaded rods in cartons
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Custom packaging solutions for threaded rods
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Palletized threaded rod shipment with protective wrapping
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
Final packaged threaded rods ready for shipment
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GB39 Square Nut, Full Thread, Smooth Burr-Free Edges

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Product Detail
Brand Name :
YONGBIAO
Model Number :
Cross Tapping Screw
Certification :
ISO 9001
Place of Origin :
China
Place Of Origin :
ZHEJIANG CHINA
MOQ :
50000
Contact Supplier
video
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges
GB39 Square Nut, Full Thread, Smooth Burr-Free Edges

NINGBO YONGBIAO FASTENER CO.,LTD

Verified Supplier
2 Years
zhejiang, ningbo
Since 2012
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
Pan Head Screw, Bugle Head Screw, Self Tapping Screw
Total Annual :
5000000-6000000
Employee Number :
45~53
Certification Level :
Verified Supplier
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