18A Automatic Center Punch 50120

The Starrett Automatic Center Punch with Adjustable Stroke features a lightweight, knurled steel handle for a positive grip and easy handling. 125mm (5") Length, 14mm 9/16" Diameter.

Contact Starrett



  • Rugged automatic punches with all-steel handles and parts
  • Internal mechanism automatically - strikes a blow when downward pressure is applied
  • Spring tension, which regulates the blow, is constant so marks made by the point are uniform in depth and size for each setting
  • The point can be easily removed for regrinding or replacement
  • Adjustable knurled cap regulates the force of the blow


  • Length (in): 5"
  • Length (mm): 125mm
  • Punch Diameter (in): 9/16"
  • Punch Diameter (mm): 14mm
  • Material: Steel


    Member of Kit
    Item #DescriptionPart No.QtyInformation
    10BODY, CENTER PUNCH13751-01
    20CAP, CENTER PUNCH13752-01
    30TIP, CENTER PUNCH13750-01
    40TRIP PIN13753-01
    50SPRING, .201X.343X1.00X.028X913756-01
    70SPRING, .232X.308X1.625.038X1413796-01
    80CENTER PUNCH POINT06690-01


    2D Dimensional Drawing (PDF)



    26.43 kb




    77.47 kb

3D CAD Files / Exploded Parts Diagram

    Login to see related product files. Or create an account.

Product Testimonials

    Write a product review

    California Proposition 65 Warning

      WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov