304 Stainless Steel Phillips Screws | Flat Countersunk Head Bolts | M1.6-M8 GB819 Fasteners

This premium assortment of stainless steel screws offers exceptional corrosion resistance and durability for demanding projects. The set includes a versatile range of cross recessed Phillips flat coun...
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Questions about this product
- Can I use these screws in saltwater or marine environments?
- While 304 stainless steel resists fresh water and rain, it is not recommended for saltwater or chloride environments. For marine applications, you should look for 316-grade stainless fasteners instead. These screws can, however, withstand temperatures up to 800°C.
- What kind of hole do I need to drill for these screws to sit flat?
- You will need to countersink your pilot hole with a 90-degree countersunk drill bit. This matches the standard 90-degree head angle of these GB819 fasteners. Once driven in with a standard Phillips screwdriver, the head will sit completely flush with your material.
- What thread standard do these screws use, and what sizes can I get?
- These fasteners feature metric coarse threads compliant with the GB819 standard. We offer them in diameters ranging from M1.6 up to M8. You can buy them in convenient pack quantities of 10, 20, or 50 pieces depending on your project needs.
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