/ Precision Measuring Tools / Precision Hand Tools / Precision Shop Tools / Punches & Sets / 18AA * Not actual product image 18AA Automatic Center Punch 50119 18 Automatic Center Punches Steel Automatic Center Punch, 4"/100mm Length, 7/16"/11mm Punch Diameter The Starrett Automatic Center Punch with Adjustable Stroke features a lightweight, knurled steel handle for a positive grip and easy handling. 100mm (4") Length, 11mm (7/16") Diameter. Videos Features Specifications Parts Downloads 3D CAD Files / Exploded Parts Diagram Product Testimonials California Prop 65 Other similar products 18A Automatic Center Punch 18AA Automatic Center Punch 18C Automatic Center Punch PT06689 Point Only For 18AA - One Piece Tip PT06690 Point Only For 18A - One Piece Tip Contact Starrett Videos Starrett Automatic Center Punches Views: Features 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 Specifications Made in America: Yes Length (in): 4" Length (mm): 100mm Punch Diameter (in): 7/16" Punch Diameter (mm): 11mm Material: Steel Downloads 2D Dimensional Drawing (PDF) .pdf 26.16 kb 18AA+.svg .svg 79.25 kb Catalog 33 - Section 17 - Precision Shop Tools This section offers quality tools that do not measure, but are needed frequently in manufacturing. Tools such as work positioning tools, scribers, punches, vises and lubricant are an integral part of any shop or manufacturing industry. Precision Hand Tools (Catalog 33) 612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock. 3D CAD Files / Exploded Parts Diagram Login to see related product files. Or create an account. Product Testimonials Write a product review Write a product review Comments* First Name* Last Name* Email* Occupation The information you provide will be used in accordance with the terms of our privacy policy. I agree to the privacy policy. Please provide the required information. Thank you for submitting a product testimonial on www.starrett.com. By submitting information to Starrett, you acknowledge and give express permission for the L.S. Starrett Company to use and share your statements. Parts Member of Kit Item #DescriptionPart No.QtyInformation 10BODY, CENTER PUNCH13760-01 20CAP02946-01 30TIP13761-01 40TRIP PIN13762-01 50SPRING, .134X.228X.875X.018X9- 1/213765-01 60HAMMER, CENTER PUNCH13764-01 70SPRING,.186X.248X1.438X.031X1513766-01 80CENTER PUNCH POINT06689-01 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