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Home / Screws / 304 Stainless Steel Round Head Hex Socket Screws, Semi-Disc Head Bolts, Three-Piece Assembly Screws M2/M3 M4 M5 M6 M8

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Screws
Origin -
Material 304 Stainless Steel
Head Type Round Head / Semi-Disc
Drive Style Hex Socket (Allen)
Available Sizes M2, M3, M4, M5, M6, M8
Thread Type Metric Coarse Thread
Standard Compliance National Standard (GB)
Surface Finish Polished, Corrosion Resistant
Assembly Type Three-Piece Assembly System
Application Machinery, Electronics, Furniture
Package Includes Screws with Free VAT Invoice

6 reviews

A

Anonymous

Mar 20, 2026

Rating: 5/5

Great value with invoice

Happy to receive the VAT invoice as promised. The screws themselves are high quality and the semi-disc head provides a nice aesthetic touch.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Excellent corrosion resistance

I used these in a humid environment and there is no sign of rust after three weeks. The three-piece assembly design makes alignment much easier than standard screws.

A

Anonymous

Mar 18, 2026

Rating: 4/5

Good quality, fast shipping

The bolts look very sturdy and the finish is smooth. I used the M4 size for a small electronics enclosure. Only minor issue was packaging could be slightly better organized.

A

Anonymous

Mar 16, 2026

Rating: 5/5

Perfect fit for my project

These 304 stainless steel screws are exactly what I needed. The hex socket is well-defined and didn't strip during installation. Great quality for the price.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Professional grade hardware

As a furniture maker, I appreciate the consistency in thread quality. The round head sits flush and looks professional on finished pieces.

A

Anonymous

Mar 06, 2026

Rating: 4/5

Solid choice for general use

Bought a mix of M3 and M5 sizes. They are strong and the stainless steel feels genuine. Would recommend for DIY enthusiasts.

5 FAQ

Q: Are these screws suitable for outdoor use?

A: Yes, being made of 304 stainless steel, they offer good corrosion resistance for most outdoor applications, though marine environments may require 316 grade.

Q: Is the VAT invoice digital or physical?

A: The VAT invoice is provided digitally via email immediately after purchase, but a physical copy can be included in the shipment upon request.

Q: What is the thread pitch for the M6 size?

A: The M6 screws feature a standard metric coarse thread pitch of 1.0mm, compliant with national standards.

Q: Can I get a bulk discount for ordering 1000 units?

A: Yes, we offer tiered pricing for bulk orders. Please contact our sales team directly through the 'Contact Seller' button for a custom quote.

Q: Does the package include an Allen key?

A: No, the package contains only the screws and the VAT invoice. You will need to provide your own hex socket wrench or Allen key.

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