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HEBEI DUOJIA METAL PRODUCTS CO.,LTD. (HEBEI MIJIA) 

About Company
 
 
Model / Specification
M6×30mm, M8×40mm, M10×50mm
Country of Origin
CHINA
Surface Treatment
Zinc Plated, Galvanized, Black Oxide
Material
Carbon Steel、Stainless Steel 304、Alloy Steel
Alias
Coupling Nut, Extension Nut, Long Connector Nut, Hex Joining Nut, Heavy - Duty Long Nut, Industrial Coupling Nut
 
Patent
None
Head Marking
Capacity
80000 PCS/Month
Minimum Order Quantity
1000 PCS
Detailed Description
Our long hex coupling nuts feature a hexagonal shape for secure wrench grip and an extended, fully - threaded body for joining rods, pipes, or bolts. Treated with zinc plating for corrosion resistance, they’re ideal for construction frameworks, hardware assemblies, and DIY repair projects needing extended thread engagement. Available in various lengths and thread sizes, these reliable nuts ensure stable, long - lasting connections. 
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