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Home / Screws / 304 Stainless Steel Pan Round Mushroom Button Head Cup Socket Screws Bolts Assortment ISO7380

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Screws
Origin -
Material 304 Stainless Steel
Head Style Round Mushroom Button Head
Drive Type Hex Socket (Allen)
Standard ISO 7380
Finish Polished Silver
Corrosion Resistance High (Suitable for Outdoor Use)
Package Type Assortment Kit with Case
Thread Type Metric Coarse Thread
Application Machinery, Electronics, Furniture Assembly
Hardness A2-70 Grade

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 4/5

Good value, sturdy case

The screws are high quality and the plastic organizer case is very durable. One size was slightly low in quantity, but overall a great buy.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Clean look for visible fasteners

The mushroom head looks very professional on my custom PC build. The polished finish matches my other components perfectly.

A

Anonymous

Mar 24, 2026

Rating: 4/5

Solid hardware

Threads are clean and cut precisely. The hex sockets are deep enough to get good torque without slipping. Would recommend.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Perfect assortment for my workshop

This kit has exactly the sizes I needed for various projects. The stainless steel quality is excellent and they fit perfectly without stripping.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Exactly as described

Fast shipping and the product matches the ISO7380 standard perfectly. Very happy with this purchase for my engineering prototypes.

A

Anonymous

Mar 17, 2026

Rating: 5/5

True 304 Stainless

I tested these with a magnet and they showed very little attraction, confirming genuine 304 steel. Great for outdoor equipment where rust is a concern.

5 FAQ

Q: Does this kit include an Allen key?

A: Yes, the assortment kit includes a multi-size hex key tool suitable for all screw sizes in the box.

Q: Is the case stackable?

A: Yes, the included organizer case is designed to be stackable with other units of the same series for easy storage.

Q: What is the range of sizes included in this assortment?

A: This kit typically ranges from M3 to M8 in various lengths. Please check the specific inventory list in the product images for exact counts per size.

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

A: Stainless steel can cause galvanic corrosion with aluminum in wet conditions. We suggest using a barrier compound or washers if used in damp environments.

Q: Are these screws suitable for marine environments?

A: While 304 stainless steel offers good corrosion resistance, we recommend 316 grade for direct saltwater exposure. These are great for general outdoor use.

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