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Home / Screws / 3MM Round Head Small Screws, M3 Cross Machine Screws, PM3 Nuts, Caps, Washers, Pan Head Machine Thread Fasteners

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Screws
Origin -
Thread Size M3 (3mm)
Head Type Pan Head / Round Head
Drive Type Phillips Cross
Material Carbon Steel
Finish Zinc Plated
Included Components Screws, Nuts, Washers, Caps
Thread Pitch 0.5mm (Standard Coarse)
Application Electronics, Machinery, DIY Projects
Package Quantity Assorted Kit (200+ Pieces)
Color Silver

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 5/5

Perfect for my 3D printer repairs

Exactly what I needed to fix the hotend assembly on my printer. The threads are clean, and having the matching nuts and washers in one box saved me a trip to the hardware store.

A

Anonymous

Mar 28, 2026

Rating: 5/5

High quality machine screws

I use these for assembling custom PC water cooling blocks. The heads don't strip easily even with tight torque, and the fit is precise. Highly recommended for precision work.

A

Anonymous

Mar 21, 2026

Rating: 3/5

Decent but mixed lengths

The quality is okay, but I wish the kit had more of the 10mm length and fewer of the 6mm ones. It depends on your specific project needs. Otherwise, they function well.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Fast shipping and great product

Arrived two days early. Everything was neatly sorted in the compartments. The washers fit perfectly under the screw heads. Will definitely buy again when I run out.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Essential for electronics hobbyists

If you work with Arduino or Raspberry Pi cases, this kit is a must-have. The M3 size is standard for most enclosures, and the caps give a nice finished look.

A

Anonymous

Mar 07, 2026

Rating: 4/5

Good value assortment

Great variety of lengths included. The zinc plating looks durable. Only giving 4 stars because the plastic organizer case cracked slightly during shipping, but the screws themselves are fine.

5 FAQ

Q: Can these be used for outdoor projects?

A: While the zinc plating offers some rust resistance, we recommend using stainless steel fasteners for prolonged outdoor exposure to ensure maximum durability against the elements.

Q: Does this kit include hex keys or screwdrivers?

A: No, this kit contains only the fasteners (screws, nuts, washers, and caps). You will need to provide your own Phillips head screwdriver.

Q: Are the nylon caps heat resistant?

A: The included caps are typically made of durable plastic suitable for general use. They can withstand moderate temperatures but should not be exposed to direct high heat sources exceeding 80°C (176°F).

Q: What is the thread pitch for these M3 screws?

A: The thread pitch is the standard coarse pitch for M3 screws, which is 0.5mm.

Q: Are these screws made of stainless steel or carbon steel?

A: These are made of high-quality carbon steel with a zinc-plated finish to resist corrosion. They are not stainless steel, but the plating provides good protection for indoor applications.

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