What Size Hole to Drill for M4 Screws?

Learn the proper hole size for M4 screws, including tapping and clearance hole recommendations.

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For an M4 screw, a 3.3mm to 3.5mm hole is typically recommended for tapping. If you need a clearance hole, a 4.1mm to 4.3mm hole is usually suitable. Always confirm with a drill size chart to ensure accuracy.

FAQs & Answers

  1. What is the recommended hole size for M4 screws? A hole size of 3.3mm to 3.5mm is recommended for tapping M4 screws.
  2. What is a clearance hole for M4 screws? For clearance, a hole size of 4.1mm to 4.3mm is suitable for M4 screws.
  3. Where can I find a drill size chart? You can find drill size charts online or in hardware stores to ensure accurate hole sizes.
  4. How do I tap a hole for an M4 screw? To tap a hole for an M4 screw, first drill a hole of 3.3mm to 3.5mm, then use a tap to create threads.

Watch More

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