A
Anonymous
Apr 20, 2026
Rating: 4/5
Good Fit
Worked for my adapter plate. Threads were slightly tight at first but loosened up.
Description
Jinchao Stainless Steel Adapter Screws, Reducing/Increasing Diameter Bolts, Stepped Studs M4 M5 M6 M8 M10 to M12 to M16
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material Grade | 304 Stainless Steel |
| Surface Treatment | Passivated |
| Thread Direction | Right-Handed |
| Head Shape | Hexagonal |
| Drive Type | External Hex |
| Hardness | HV 250 Max |
| Package Contents | 10 Bolts |
| Net Weight | 250 Grams |
| Manufacturing Standard | ISO 4014 |
| Recommended Use | General Fastening |
5 reviews
A
Anonymous
Mar 21, 2026
Rating: 5/5
High Quality
No rust after months outside. The stainless steel quality seems genuine.
A
Anonymous
Feb 19, 2026
Rating: 4/5
Nice Pack
Arrived safely without damage. Product matches description well.
A
Anonymous
Feb 13, 2026
Rating: 5/5
Solid Hardware
These bolts are well machined and fit perfectly into my assembly project.
A
Anonymous
Feb 04, 2026
Rating: 5/5
Precise Threads
Metric sizing is accurate. Great for precision machinery adjustments.
5 FAQ
Q: Do you ship internationally?
A: Yes, we ship to most countries worldwide.
Q: What is the return window?
A: Returns are accepted within 30 days of delivery.
Q: Are washers included?
A: No, washers are sold separately in our hardware section.
Q: Is this suitable for marine environments?
A: 316 stainless is better for marine, 304 is for general purpose use.
Q: Can I mix sizes in one order?
A: Please place separate orders for different sizes to ensure accuracy.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
