150-Pack M4x12mm Stainless Steel Countersunk Hex Socket Screws

150-Pack Stainless Steel Countersunk Hex Socket Screws – M4 x 12mm

Upgrade your fastening projects with this value-packed set of 150 stainless steel countersunk machine screws. Featuring a hex socket (Allen key) drive and flat countersunk head, these M4 x 12mm screws deliver a flush, clean finish on any surface. Ideal for woodworking, metalwork, furniture assembly, electronics enclosures, and general DIY projects.

Key Features

• Material: Stainless steel – excellent corrosion and rust resistance for indoor and outdoor use
• Drive Style: Hex socket (Allen/hex key) for secure, high-torque fastening
• Head Style: Flat countersunk – sits flush with the surface for a neat, professional finish
• Fully Threaded: Complete thread from head to tip for maximum holding strength
• Thread Size: M4 x 12mm
• Pitch: 0.7mm
• Hex Socket Diameter: 2.5mm
• Head Diameter: 8mm
• Colour: Silver
• Quantity: 150 screws (3 packs of 50 pcs each)

What's in the Box?

• 3 × Pack of 50 Stainless Steel Countersunk Hex Key Screws (M4 x 12mm)

Only the above package contents are included. Other products are not included.

Perfect For

• Furniture assembly and cabinet making
• Mechanical and engineering projects
• Electronics enclosures and panels
• General home improvement and DIY repairs
• Automotive and bicycle maintenance

Made in China.

Note: Due to lighting and display differences, the colour of the item in photos may vary slightly from the actual product. Measurement tolerance: ±1–3mm.

Related Products You May Like

• 10-in-1 Multi-Functional Bone Wrench Hex Socket Spanner – Portable Repair Hand Tool
• 16-in-1 Multi-Function Bike Repair Tool – Portable Folding Hex Wrench Set
• 3-in-1 Precision Eyeglass Screwdriver Keychain – Portable Mini Screwdriver

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What size Allen/hex key do I need for these M4 x 12mm countersunk screws?

A: These stainless steel countersunk hex socket screws require a 2.5mm Allen (hex) key for installation and removal, ensuring a secure and precise fit every time.

Q: Are these countersunk screws suitable for outdoor use?

A: Yes. Made from stainless steel, these M4 hex socket screws offer excellent corrosion and rust resistance, making them suitable for both indoor and outdoor applications including garden furniture, outdoor enclosures, and more.

Q: Are the screws fully threaded from head to tip?

A: Yes, all 150 screws in this pack are fully threaded along the entire shank, providing maximum grip and holding strength for a wide range of fastening tasks.

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.