A
Anonymous
Apr 21, 2026
Rating: 5/5
Exactly as described
Matched the spec sheet perfectly. Fast shipping too. Will order again for future projects.
Description
304 stainless steel 201 carbon steel natural finish hex weld nut M3-M16, square stainless steel weld nut
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material Grade | 304 Stainless Steel / 201 Carbon Steel |
| Thread Size Range | M3, M4, M5, M6, M8, M10, M12, M16 |
| Nut Shape | Hexagonal and Square |
| Surface Treatment | Plain or Zinc Plated |
| Welding Standard | DIN 929 / ISO 21670 |
| Thread Type | Metric Coarse |
| Projection Type | Three-Point Projection |
| Hardness Rating | 200 HV Minimum |
| Pack Size | 100 Pieces per Box |
| Country of Origin | Imported |
5 reviews
A
Anonymous
Apr 16, 2026
Rating: 5/5
Perfect for fabrication
Used these for a custom exhaust mount. Welded cleanly without stripping. The projections melted evenly.
A
Anonymous
Apr 15, 2026
Rating: 5/5
Consistent quality
We use these in our production line. Very consistent projection heights which ensures reliable welds.
A
Anonymous
Mar 12, 2026
Rating: 4/5
Good but tight threads
Carbon steel version works well. Threads were slightly tight on a few nuts but manageable with a tap.
A
Anonymous
Mar 01, 2026
Rating: 5/5
Great bulk value
Ordered the M6 stainless ones. No rust after months outside. Highly recommend for outdoor equipment.
5 FAQ
Q: Do you provide material certificates?
A: Yes, mill certificates are available upon request for bulk orders.
Q: What is the torque specification for M8?
A: Standard metric torque values apply, typically around 20-25 Nm for Grade 8.8 bolts.
Q: Can I weld these with a standard MIG welder?
A: Yes, but projection welding equipment is recommended for best results and consistency.
Q: What is the difference between 304 and 201 steel?
A: 304 offers better corrosion resistance; 201 is more cost-effective for indoor use.
Q: Are these compatible with aluminum sheets?
A: Welding to aluminum requires specific techniques; generally designed for steel sheets.
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