A
Anonymous
Apr 13, 2026
Rating: 5/5
Perfect for Metal
Self-tapping works well on thin aluminum sheets. No need to pre-drill for smaller gauges.
Description
These flat head cross recessed countersunk self-tapping screws are designed for creating flush surface finishes in metal, plastic, and wood assemblies. Constructed from 304 stainless steel, the fasteners offer reliable resistance to corrosion and oxidation in various environments. The extended national standard design ensures precise threading and secure holding power for M3, M4, M5, M6, and M8 applications. A Phillips drive head allows for efficient installation using standard hand or power tools. Select the specific metric size required for your project to ensure proper fit and load distribution. Inspect threads for debris before installation to maintain optimal torque and prevent stripping.
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 304 Stainless Steel |
| Head Type | Flat Head Countersunk |
| Drive Type | Phillips Cross (PH) |
| Thread Style | Self-Tapping |
| Standard Specification | GB Standard |
| Surface Finish | Passivated |
| Available Diameters | M3, M4, M5, M6, M8 |
| Hardness | HV 200-250 |
| Package Type | Plastic Storage Box |
| Country of Origin | China |
5 reviews
A
Anonymous
Mar 25, 2026
Rating: 3/5
Missing Pieces
Box was not fully sealed upon arrival. Count was slightly off in the M5 compartment.
A
Anonymous
Feb 24, 2026
Rating: 5/5
Excellent Hardware
These screws are very durable and the heads fit my driver perfectly. Great for general assembly tasks.
A
Anonymous
Feb 23, 2026
Rating: 5/5
Fast Shipping
Product arrived quickly and was well packaged. No rust visible on any of the screws.
A
Anonymous
Jan 18, 2026
Rating: 4/5
Good but strict
Threads are sharp and cut well. Heads strip easily if overdriven with high torque settings.
5 FAQ
Q: Can I use these on wood?
A: Yes, they are self-tapping and suitable for wood, plastic, and thin metal applications.
Q: What driver size for M4?
A: Typically a PH2 driver fits M4 screws best. Ensure your bit is in good condition.
Q: Is this 304 or 316 steel?
A: This listing is for 304 stainless steel. Please check our other listings for 316 marine grade.
Q: Do you offer bulk discounts?
A: Please contact customer service for bulk order pricing and availability.
Q: Are they corrosion resistant?
A: 304 steel offers good corrosion resistance for indoor and general outdoor use.
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