160Pcs M3 SS304 Hex Socket Cap Head Screws Assortment Set
160Pcs M3 SS304 Hex Socket Cap Head Screws Assortment Set
Details
JARBLUE 160-Piece M3 Hex Socket Cap Head Screw Assortment – SS304 Stainless Steel
Keep your workshop, electronics bench, or DIY projects running smoothly with this comprehensive 160-piece M3 hex socket cap head screw set. Made from premium 304 stainless steel, these fasteners deliver exceptional corrosion resistance, strength, and a clean silver finish — perfect for woodworking, electronics, RC models, 3D printers, machinery, and general hardware tasks.
With 8 different lengths (20 pieces of each), you'll always have exactly the right size on hand. The hex socket (Allen key) drive style allows for high-torque tightening in tight spaces, reducing the risk of cam-out.
Key Features
- Material: 304 Stainless Steel – rust-resistant, durable, and long-lasting
- Drive Style: Hex Socket (Allen / Hex Key)
- Head Style: Cap Head (Cylinder Head)
- Thread: M3 Metric Thread
- Color: Silver
- CE Certified for quality assurance
Sizes & Quantities Included
| Size | Quantity |
|---|---|
| M3 × 6mm | 20 pcs |
| M3 × 8mm | 20 pcs |
| M3 × 10mm | 20 pcs |
| M3 × 12mm | 20 pcs |
| M3 × 16mm | 20 pcs |
| M3 × 20mm | 20 pcs |
| M3 × 25mm | 20 pcs |
| M3 × 30mm | 20 pcs |
What's in the Box
1 × Organized Storage Box containing 160 M3 hex socket cap head screws (8 sizes × 20 pieces each)
Made in Mainland China.
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Frequently Asked Questions
Q: What material are these M3 hex socket cap head screws made from?
A: These screws are crafted from 304 stainless steel (SS304), which provides excellent corrosion resistance, high tensile strength, and a clean silver finish — making them suitable for indoor and light outdoor applications alike.
Q: What Allen key (hex key) size do I need to drive these M3 cap head screws?
A: Standard M3 hex socket cap head screws require a 2.5mm hex (Allen) key for installation and removal. This size is commonly included in most Allen key sets.
Q: Are these screws suitable for woodworking and electronics projects?
A: Yes! The M3 metric thread and cap head design make them ideal for a wide range of applications including woodworking, electronics enclosures, 3D printer frames, RC models, machinery assembly, and general DIY fastening tasks.
Q: How are the screws organized in the package?
A: The 160 screws come neatly sorted in a compartmentalized storage box, with each of the 8 sizes (M3×6mm through M3×30mm) in its own section — so you can quickly locate the exact length you need without rummaging through a mixed bag.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.