US
Starrett

Starrett 18AA Automatic Center Punch 100mm

  • Item Weight: 0.01 pounds
  • Dimensions: 1 × 0.7 × 4.1 inches
  • Dimensions: 1 x 0.7 x 4.1 inches

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A small, precision branded hand punch suited to marking metal before drilling, sized for one handed bench work rather than heavy duty striking or set based use.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B0006J4Q5UModel: 18AACategory: Punches

Overview

The Starrett 18AA is a compact hand punch built for marking metal before drilling or center punching layout lines. At about 4.1 inches long and roughly an inch across, it is sized for one handed bench work rather than heavy striking jobs.

Starrett is a name associated with precision machinist tools, and the listed dimensions match a small handheld punch rather than a power tool or a multi piece kit. No seller description was provided, so this page is built from the title, category and dimensions alone.

  • About 4.1 x 0.7 x 1 inches
  • Starrett brand
  • Tools, punches category

Who it's for

Machinists, welders and hobbyists who need one small hand punch for marking a starting point before drilling. Not a fit for anyone who wants a full punch and chisel set in one purchase.

Pros and cons

Pros
  • Compact size fits a tool roll or pouch
  • Precision machinist tool brand
  • Sized for one handed bench work
Cons
  • Sold as a single tool, not a set
  • No seller description to confirm finish or hardness

Performance notes

At roughly 4.1 inches long and 0.7 to 1 inch across, the 18AA is built to be held and struck by hand rather than powered. Its small footprint suits a tool roll or a drawer more than a bench that needs a heavy duty punch.

Specifications

BrandStarrett
Model18AA
Item Weight0.01 poundslower than 98% of 118 punches
Dimensions1 × 0.7 × 4.1 inches
Dimensions1 x 0.7 x 4.1 inches

Closest rivals on specs

Compare all side by side

Frequently asked questions

What is the Starrett 18AA punch used for?

It is a hand punch used to mark a starting point on metal, typically before drilling or center punching.

How big is the Starrett 18AA?

It measures about 1 x 0.7 x 4.1 inches, sized for one handed use.

Does the Starrett 18AA come as a set?

No, the listing shows it as a single punch rather than a multi piece kit.