841 Piece M3 Screw Kit With Flat Head Hex Socket Cap Screws 10.9 Grade Alloy Steel Countersunk Bolts And Black Nuts In A Clear Storage Box With Hex Wrenches For 3D Printer And Mechanical Projects For DIYers And Makers Who Wanna Build Stuff

Premium M3 Flat Head Screw Kit with 10.9 Steel
✔️ 841pc kit: M3x4 to M3x30 screws, nuts, washers, box

This M3 screw kit includes flat head hex socket cap screws in a durable 10.9-grade carbon steel build, stored in a clear, compartmentalized box. It's widely used for 3D printer frames, electronics enclosures, furniture, and small mechanical assemblies.

✅ 10.9-grade carbon steel screws and nuts with black oxide finish
✅ Assorted M3 countersunk screws in lengths 4-30 mm
✅ Black oxide coating provides corrosion resistance and long life
✅ Transparent storage box with multiple compartments for easy organization
✅ Includes 210 nuts, 210 flat washers, and 210 lock washers
✅ 1 hex wrench included for quick assembly

💡 What is a good M3 screw kit for DIY projects like 3D printers and small machinery?

This handy kit offers a wide range of M3 lengths and a sturdy storage box.

• High-strength 10.9-grade carbon steel M3 screws with black oxide finish.
• Includes M3x4 to M3x30 lengths for flexible mounting.
• Flat head hex socket design for flush mounting on panels and frames.
• Comes with nuts and washers plus a compact hex wrench for quick builds.

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