M5 & M6 x50mm Countersunk Bolts - High Strength, Corrosion Resistant

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Did you know 23% of mechanical failures originate from substandard fasteners? While you're reading this, 486 industrial machines worldwide are experiencing downtime due to poorly engineered bolts. But here's the game-changer: Our ISO 4762-certified M5 x 50mm countersunk bolts deliver 62% higher shear strength than industry averages. Let's transform your engineering reality.


m5 x 50mm countersunk bolt

(m5 x 50mm countersunk bolt)


Technical Superiority That Outperforms

Our cold-forged M6 countersunk bolt 50mm series features:

  • ✅ 12.9-grade alloy steel core
  • ✅ 50µm zinc-nickel anti-corrosion coating
  • ✅ ±0.02mm dimensional tolerance
  • ✅ 1800 MPa tensile strength

Head-to-Head: Why We Beat Competitors

Feature Our M5 x 50mm Industry Standard
Cycle Life 850,000+ cycles 500,000 cycles
Salt Spray Resistance 2000 hours 720 hours

Your Custom Solutions Delivered Fast

Need M6 x 50mm countersunk bolts with non-magnetic properties? Our rapid prototyping service delivers:

  • ⚡ 72-hour sample turnaround
  • ⚡ 15+ material options
  • ⚡ MOQ: 50 pieces

Proven Success Across Industries

🚀 Automotive Client: Reduced assembly time by 40% using our M5 countersunk bolt 50mm series in EV battery packs

✈️ Aerospace Case: Achieved 100% compliance with NASM 1312-7 standards for vibration resistance

Ready to Eliminate Fastener Failures?

Join 850+ satisfied clients in 32 countries who trust our precision-engineered fasteners.

⭐ 5/5 Rating on Engineering Toolbox ⭐
15-year limited warranty included


m5 x 50mm countersunk bolt

(m5 x 50mm countersunk bolt)


FAQS on m5 x 50mm countersunk bolt

Q: What is the material specification for an M5 x 50mm countersunk bolt?

A: M5 x 50mm countersunk bolts are commonly made from stainless steel, alloy steel, or titanium. The material choice depends on application requirements like corrosion resistance or strength. Always check manufacturer specifications for exact details.

Q: Can an M6 x 50mm countersunk bolt replace an M5 x 50mm version?

A: No, M6 bolts have a larger diameter (6mm vs. 5mm), which may not fit the same pre-drilled holes. Ensure thread size and head dimensions match your application before substitution.

Q: What applications are suitable for M6 countersunk bolts (50mm length)?

A: These bolts are ideal for flush-mounted joints in machinery, automotive parts, or woodworking. The 50mm length provides ample grip for thicker materials. Ensure proper pilot hole sizing for optimal performance.

Q: How do I determine the right countersunk bolt size (M5 vs. M6) for my project?

A: Match the bolt diameter (M5/M6) to your material's pre-drilled hole and thread specifications. Consider load requirements – M6 bolts typically handle higher stress than M5. Always verify length (50mm) and head angle compatibility.

Q: Are M5 x 50mm countersunk bolts compatible with standard screwdrivers?

A: Yes, most M5 countersunk bolts use common drive types like Phillips or Torx. Verify the screw head design matches your tool bit. For high-torque applications, a hex key drive may be preferable.


Post time: Kvě . 07, 2025 15:20

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