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Home / Screws / 304 Stainless Steel Cross Countersunk Screw and Locking Nut Complete Set, Pan Head Screws, Nuts, and Washer Combination Kit

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Screws
Origin -
Material 304 Stainless Steel
Head Style Pan Head / Countersunk
Drive Type Phillips Cross
Finish Polished Silver
Corrosion Resistance High (Rust Proof)
Kit Contents Screws, Locking Nuts, Washers
Thread Type Metric Coarse Thread
Application General Machinery, Electronics, DIY
Package Type Compartmentalized Storage Box
Durability Heavy Duty Industrial Grade

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 4/5

Great variety pack

The assortment of sizes in this kit is perfect for general repairs around the house. The storage box keeps everything organized. I only wish it came with a small driver bit included.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for electronics assembly

Used these for mounting components in a custom PC build. The pan head sits flush and the cross drive engages perfectly without camming out. Very satisfied with the precision.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Reliable locking mechanism

The locking nuts are the highlight here. They stay put even under vibration, which was crucial for my drone frame assembly. Highly recommend for any moving parts.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Must-have for DIY enthusiasts

I keep this kit in my toolbox for quick fixes. The stainless steel finish looks professional, and the threads are cut cleanly. It has saved me multiple trips to the hardware store.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Excellent quality stainless steel

These screws are exactly what I needed for my outdoor project. The 304 stainless steel feels very solid and shows no signs of rust after a few weeks in the rain. The locking nuts grip tightly without stripping.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Good value for money

For the price, you get a lot of high-quality hardware. The washers are a nice touch to prevent surface damage. One compartment was slightly loose in the box, but the contents were fine.

5 FAQ

Q: Are these screws suitable for marine environments?

A: Yes, being made of 304 stainless steel, they offer excellent corrosion resistance and are suitable for most marine applications, though 316 grade is recommended for direct saltwater submersion.

Q: What specific metric sizes are included in this set?

A: This complete set typically includes M3, M4, M5, and M6 sizes with varying lengths from 6mm to 20mm. Please refer to the detailed packing list in the product manual for exact counts per size.

Q: Is the storage box stackable with other kits?

A: Yes, the case is designed with interlocking ridges on the top and bottom, allowing you to securely stack multiple kits of the same series for efficient storage.

Q: Can these be used with aluminum materials without causing galvanic corrosion?

A: While 304 stainless steel is generally safe, using them with aluminum can potentially cause galvanic corrosion over time in wet conditions. We recommend using a dielectric grease or barrier washer for long-term outdoor aluminum applications.

Q: Do the locking nuts require any special tools to install?

A: No special tools are required. Standard metric wrenches or socket sets compatible with the nut size will work perfectly for installation and removal.

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