The shape of square nut is square so it also can be called square nut, the standard is DIN557 and material is divided into carbon steel and stainless steel. Square nut is one of the welding nuts which use high temperature to melt some metal welding in the middle of the two products play a fastening role, so the fastening effect of the connection will be better and not easy to loose, it also can be used with bolts together. Square nuts are mainly used in power engineering, traffic engineering, home building materials and other industries.
System of measurement | Metric,inch | |||||||
Material | SS304,SS316,1008,35# steel,35K etc. | |||||||
Size | M3-M12,6#-3/8" | |||||||
Surface | Plain color,zinc plated,nickel plated | |||||||
Certificate | ISO9001-2008 | |||||||
Customization | Provided | |||||||
Carton size | 25*25*16cm | |||||||
G.W/carton | About 25kg | |||||||
Sample | Sample is free,express cost negotiate | |||||||
Sample delivery time | 3-5days | |||||||
Packing | Bulk in carton+export pallet | |||||||
(1)Small box packging | ||||||||
(2)25-30kgs/ctn in bulk, 36-48cartons/pallet | ||||||||
(3)Assortment in poly bag or plastic box | ||||||||
Delivery time | Quantity | Delivery time | ||||||
1-1000pcs | 3 days | |||||||
1001-5000pcs | 7 days | |||||||
5001-10000pcs | 9 days | |||||||
>10000pcs | To be negotiated | |||||||




Wuxi Zhuocheng Mechanical Components Co., Ltd. is established in 1993, and one group of manufacturing and selling professional fastener , and often make DIN, ANSI, BS, ISO, JIS standard and high quality and professional fastener products in industrial fields, also have a professional quality control in development, process and manufacturing of various non-standard fastener. At present we develop 10,000 kinds of non-standard fasteners. We have a long-term business cooperation relationship with many well-known multinational companies, and provide an OEM service for the middle- big business enterprise. The products have already exported to the Unite States, Germany, England, Canada, Italy, Japanese etc.









Low MOQ
Good Price

CAD And 3D Design
Customized Service

OEM Service
ODM Service

ISO9001 Certificate
One-stop Service

Stable Product Quality
One-year Warranty

◉ You are a manufacturing company or trading company?
---We are a metal alloy manufacturing and we have years of export experience. we have a reasonable price.
◉ What quote do you offer?
---FOB , CIF and others ways according to your needs.
◉ How pay?
---All of kinds Payment we all accept from you
◉ How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
◉ Can I order a small list?
---Of course,you can.
◉ Can we print our own logo?
---Yes, we can print logo for you.
◉ What is the quality of your products guarantee?
---We have passed ISO9001:2008 Quality Management System Certification, CQM Quality Management System Certification and IQNet Quality Management System Certification, If the quality doesn't accord with the standard, you can exchange the goods for free.
◉ Do you have after-sales service?
---Certainly,you can contact us at any time. Contacting info: You can contact with us by email
Take advantage of our unrivaled knowledge and experience, we offer you the best customization service.
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.
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