Starrett Automatic Center Punch – 100mm, 11mm Diameter, Adjustable Stroke

Overview

The Starrett Automatic Center Punch blends a knurled steel handle with a precision mechanism that automatically delivers a light strike as you apply downward pressure. At 100 mm in length and 11 mm in diameter, this tool fits comfortably in the hand and reaches into tighter spaces while remaining suitable for a range of materials.

Why choose the Starrett Automatic Center Punch?

• Heavy duty, corrosion-resistant steel that withstands workshop wear.
• Automatic mechanism for one-handed operation and consistent starts.
• Adjustable force via the knurled cap to suit different materials.
• Precision marking with uniform indentation depth for repeatable results.
• Broad applicability across metal, plastics, and wood.

Real-world use scenarios

Use this center punch to establish a starter point before drilling on steel, aluminum, or exotic alloys. It also marks alignment features on wood and plastics, helping you position fasteners and cuts with confidence while reducing guesswork.

The compact, knurled handle provides a positive grip, and the internal spring tension helps maintain a consistent strike across uses. The design supports straightforward, one-handed operation, which can help reduce fatigue during longer projects.

Durability and reliability in the workshop

• Long-lasting steel body resists wear and maintains performance.
• Internal mechanism is tuned for dependable marks you can trust.
• Compact form fits in crowded workspaces and tool bags.

Notes for buyers

This tool complements a wide range of Starrett punches and measurement tools, serving as a reliable starter for precise hole locations and reference marks in metalworking, electronics, and general fabrication.