Hexagon Extend Long Rod Coupling Nuts 304 Stainless Steel m3 m4 m5 m6 m8 m10 m12 m14 Hex Lengthened Coupling Nut for 3D Printer
1.97$
1.19$
Quantity:
1
Availability:
Size
Color
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Hexagon Extend Long Rod Coupling Nuts 304 Stainless Steel
M3 M4 M5 M6 M8 M10 M12 M14
Long hexagon coupling nuts made of 304 stainless steel, used for connecting and extending threaded rods, with high strength, anti‑corrosion and stable connection for industrial applications.
Key Features
1. 304 stainless steel material, excellent rust resistance, corrosion resistance and long service life.
2. Extended long hexagon design for easy gripping, adjusting and fastening with tools.
3. Both ends internal metric thread, used to connect two bolts or extend threaded rods.
4. High precision thread, smooth installation, firm and stable connection.
5. Complete sizes M3 to M14 to meet various mechanical and construction needs.
Applications
Widely used in machinery, equipment frames, construction fixtures, furniture assembly, threaded rod extension, pipeline support and structural connection projects.
Product Customization Available
We offer customized screw and nut sets, including custom boxes, branding labels, and personalized packaging options. Packaging types and quantities can be tailored according to your requirements.
Please contact our customer service for a quick quote.
Factory Advantages & Custom Service
We Support:
1.Custom materials and special stainless-steel grades
2.Custom lengths, thread pitch, head style, and non-standard screws
3.OEM / ODM production from drawings or samples
4.Custom box packaging available with branding
5.Small MOQ for trial orders & fast shipping
6.Full inspection to ensure consistent quality
Customer Reviews
37 ratings
sturdy quality (3)
fits well (2)
perfect (2)
extra thick (1)
excellent sensitivity (1)
great deal (1)
Customer photos (8)
Buyer from Israel
October 8, 2026
Variant: Size:M5 (S 8mm) 3pcs Color:20mm
Two Thumbs Up 👍 Dear Friend, Thank You For a Great Deal: I'd Be Looking Forward To Be Doing Business With You ! :)
Buyer from Ukraine
October 7, 2026
Variant: Size:M6 (S 10mm) 2pcs Color:40mm
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Buyer from South Korea
August 16, 2026
Variant: Size:M5 (S 8mm) 3pcs Color:10mm
It's the correct size and fits the M5 bolt well. The quality is just so-so. The photo turned out better. The sides of the bolt are uneven and there seems to be something like vertical stripes visible. There is a light in the exposed areas of the interior exterior.
Translated by AliExpress ·
G***i
June 24, 2026
Variant: Size:M12 (S 19mm) 1pcs Color:60mm
Good quality item
K***o
June 22, 2026
Variant: Size:M4 (S 7mm) 3pcs Color:8mm
A+++++
Buyer from Brazil
June 13, 2026
Variant: Size:M10 (S 17mm) 1pcs Color:55mm
BSP thread
Translated by AliExpress ·
Hexagon Extend Long Rod Coupling Nuts 304 Stainless Steel m3 m4 m5 m6 m8 m10 m12 m14 Hex Lengthened Coupling Nut for 3D Printer
1.97$
1.19$
Quantity:
1
Availability:
Size
Color
