Product Description
Finish：Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating,Nickel plating,Zinc impregnation,ETC.
Material：Carbon steel、Stainless steel
Grade：4, 8, 10, 12
Standard ：GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC.
Non-standards：OEM is available, according to drawing or samples.
Samples：Samples are free.
Package：Wooden boxes, pallet, cartons, plastic bags, nylon bags.
Description
The GB39 Square Nuts are designed in compliance with GB (Guobiao) standards, offering a reliable fastening solution for both static and dynamic load conditions. Their square profile enhances resistance to loosening and provides increased surface contact with tools and mating parts.
Manufactured from high-quality carbon steel or stainless steel, these nuts are available in strength grades of 4, 8, 10, and 12, making them suitable for light to heavy-duty applications across construction, automotive, and machinery industries.
A broad range of surface treatments is available, including plain, black oxide, zinc electroplating, hot dip galvanizing, nickel plating, and more, offering protection against corrosion and enhancing durability in various environments.
We offer OEM manufacturing based on your drawings or samples, and provide free samples for quality inspection and evaluation.
Specifications:
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Product Name: GB39 Square Nuts
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Material Options: Carbon Steel, Stainless Steel
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Available Grades: 4, 8, 10, 12
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Finishes Offered:
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Plain
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Black Oxide
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Zinc Electroplating
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Hot Dip Galvanizing
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Copper Plating
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Nickel Plating
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Zinc Impregnation
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Standard Compliance: GB, DIN, ISO, ANSI/ASTM, BS, JIS
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OEM Service: Yes, according to customer drawings/samples
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Samples: Free upon request
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Packaging: Wooden Boxes, Pallets, Cartons, Plastic/Nylon Bags
Applications:
✔ Heavy Machinery
✔ Structural Assembly
✔ Metal Fabrication
✔ Equipment Repair
✔ Infrastructure Projects
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Returns and Exchanges
There are a few important things to keep in mind when returning a product you purchased.You can return unwanted items by post within 7 working days of receipt of your goods.- You have 14 calendar days to return an item from the date you received it.
- Only items that have been purchased directly from Us.
- Please ensure that the item you are returning is repackaged with all elements.
Ship your item back to Us
Firstly Print and return this Returns Form to: 30 South Park Avenue, San Francisco, CA 94108, USA Please remember to ensure that the item you are returning is repackaged with all elements. For more information, view our full Returns and Exchanges information.Related Products
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