Mayhew 24002 Center Punch, 3/16 inch - 5 mm x 5 inch, Alloy Steel, Black Oxide Finish

Mayhew 24002 Center Punch, 3/16 inch - 5 mm x 5 inch, Alloy Steel, Black Oxide Finish

• The Mayhew 24002 center punch is a robust alloy steel tool designed for piercing or marking metal to guide drill bits; it features a 3/16 inch (5 mm) tip and a full-length black oxide finish for corrosion resistance.
• Features:
  • Precision-machined 3/16 inch tip (5 mm) ensures accurate starting marks for drilling.
  • Hex-shaped 3/8 inch body allows secure gripping and prevents rolling on work surfaces.
  • Full-length black oxide finish provides durable corrosion protection.
  • Heat-treated to Rockwell hardness 55-57 HRC for longevity under repeated impact.
• Specifications:
  • Manufacturer: Mayhew
  • Part Number: 24002
  • Tip Size: 3/16 inch (5 mm)
  • Body Shape: Hex, 3/8 inch across flats
  • Overall Length: 5 inch
  • Material: Alloy steel
  • Finish: Black oxide
  • Hardness: 55-57 HRC
• The 24002 center punch can also be referred to as full-length center punch, 3/16 inch marking punch, alloy steel drill starter punch, black oxide center punch, and precision metal starter punch.

Mayhew a brand of Mayhew Steel Products, Inc., manufactures professional-grade hand tools. Their center punches are known for precision engineering, durable finishes, and consistent performance in demanding industrial and automotive environments.

Q: Is the tip size specified in both fractional and metric units?
A: Yes. The tip is clearly specified as 3/16 inch, which equals 5 mm, allowing universal understanding of sizing.

Q: Does the hex body design provide any advantage?
A: The hex body prevents rolling on flat surfaces, improving tool control and ease of positioning before striking.

Q: How hard is the tip, and is it suitable for repeated impact?
A: The tip is hardened to a Rockwell hardness of approximately 55-57 HRC, making it durable for repeated use in marking and starting drill holes.