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Home / Screws / 304 Stainless Steel Pan Head Hex Socket Screw Round Cup Bolt M3 M4 M5 M6 M8 M10

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Screws
Origin -
Material 304 Stainless Steel
Head Style Pan Head
Drive Type Hex Socket (Allen)
Thread Size Options M3, M4, M5, M6, M8, M10
Finish Polished Silver
Corrosion Resistance High (Suitable for Indoor/Outdoor)
Thread Pitch Standard Coarse
Application Machinery, Electronics, Furniture Assembly
Hardness A2-70 Standard
Package Content Assorted Kit (100 Pieces)

6 reviews

A

Anonymous

Mar 30, 2026

Rating: 4/5

Good quality, mixed sizes helpful

The variety of sizes in the kit saved me a trip to the hardware store. Quality seems solid, though I wish there were a few more M4 screws included.

A

Anonymous

Mar 29, 2026

Rating: 5/5

Professional grade quality

As a hobbyist woodworker, I go through a lot of fasteners. These 304 stainless screws are top-notch. They don't snap easily and the finish is consistent across all sizes.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Excellent corrosion resistance

Used these for an outdoor garden box setup. After three months of rain and sun, there is absolutely no sign of rust. Highly recommended for outdoor use.

A

Anonymous

Mar 18, 2026

Rating: 5/5

Perfect fit for my project

These screws are exactly what I needed for assembling my custom shelving unit. The hex socket is deep enough to prevent stripping, and the stainless steel looks great.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Great value for money

You get a lot of screws for the price. The heads are uniform and the threading is clean. No issues tightening them down with a standard Allen key.

A

Anonymous

Mar 03, 2026

Rating: 4/5

Solid hardware

Very sturdy screws. I used the M6 size for mounting a bracket on my workbench. They held up well under tension. Only minor complaint is the packaging could be better organized.

5 FAQ

Q: Are the threads metric or imperial?

A: All screws in this listing are metric threads, corresponding to the M3 through M10 designations.

Q: Does this kit come with a storage case?

A: Yes, the assorted kit comes in a durable plastic compartmentalized box for easy organization and storage.

Q: What size Allen key do I need for the M6 screw?

A: For the M6 pan head hex socket screw, you will typically need a 5mm Allen key.

Q: Are these screws suitable for marine environments?

A: While 304 stainless steel offers good corrosion resistance, for constant exposure to saltwater, we recommend 316 stainless steel for optimal longevity.

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

A: Stainless steel can cause galvanic corrosion when in direct contact with aluminum in wet conditions. We suggest using a barrier washer or sealant if used together outdoors.

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