A
Anonymous
Apr 19, 2026
Rating: 5/5
Fast shipping
Arrived quickly and well packaged. No rust or damage. Happy with the purchase.
Description
304 Stainless Steel CM Ultra-Thin Head Large Flat Head Socket Cap Screws, C-Head Extra-Low Flat Head M2 M3 M4 M5 M6 M8
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 304 Stainless Steel |
| Head Style | Ultra-Thin Flat Head (C-Head) |
| Drive Type | Hex Socket (Allen) |
| Thread Standard | Metric Coarse |
| Available Sizes | M2, M3, M4, M5, M6, M8 |
| Surface Finish | Plain Polish |
| Hardness Rating | A2-70 |
| Package Type | Bulk Wholesale Box |
| Country of Origin | China |
| Recommended Use | Electronics, Machinery, Automotive |
5 reviews
A
Anonymous
Mar 28, 2026
Rating: 4/5
Good quality, sharp threads
Threads are cut well. One box had a few slightly bent screws but overall acceptable for the price.
A
Anonymous
Mar 20, 2026
Rating: 5/5
Great bulk value
Bought the M3 set for our assembly line. Consistent quality across the batch. Will order again.
A
Anonymous
Mar 19, 2026
Rating: 5/5
Exactly as specified
Dimensions match the diagram perfectly. 304 steel is non-magnetic which was crucial for our sensor housing.
A
Anonymous
Feb 11, 2026
Rating: 5/5
Perfect for tight spaces
The ultra-thin head allowed me to fit these into a casing where standard screws would not sit flush. Quality steel.
5 FAQ
Q: Can I purchase just M5 size?
A: Our listings are typically bulk mixes, but contact us for specific size-only inquiries.
Q: What is the exact head height?
A: The head height is extra-low profile, approximately 1.5mm for M3, varying slightly by diameter.
Q: Is this material magnetic?
A: 304 Stainless Steel is generally non-magnetic, though slight magnetism may occur after cold working.
Q: Are these suitable for outdoor use?
A: Yes, 304 Stainless Steel offers good corrosion resistance for most outdoor environments.
Q: What hex key size is needed for M4 screws?
A: For M4 size, you typically need a 2.5mm hex key. Please check the specific size chart for confirmation.
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