Round Hole Marker

Mark precise circles and ellipses on pipe and flat surfaces—fast, accurate, and repeatable.
The Round Hole Marker is designed to simplify layout work for welders, fabricators, and pipe fitters. Built from premium anodized aluminum, this innovative marking tool allows you to accurately mark circles, hole centers, and elliptical cut lines on both curved and flat surfaces.

With a switchable magnetic base, adjustable extension arm, and compass-style pivoting shaft, the Round Hole Marker gives you the flexibility to create clean, precise markings without guesswork.

Why Fabricators Use the Round Hole Marker

• Precise Hole Layout: Mark accurate circles and center points
• Elliptical Marking Capability: Easily create angled ellipse layouts
• Magnetic Stability: Securely attaches to ferrous materials
• Flexible Positioning: Adjustable arm and pivoting shaft for difficult layouts

Key Features

• Switchable on/off magnetic base for secure positioning
• Adjustable extension arm with 90° reach
• Compass-style pivoting shaft for accurate marking
• Capable of marking circles and ellipses
• Premium anodized aluminum construction
• Designed for fabrication, pipe layout, and cutting applications

Use Guide

• Draw cutting lines on pipe from 2" to 10"
• Draw cutting lines on flat surfaces from 2" to 12"

Ideal For

• Pipe welding and fabrication
• Hole layout and cut preparation
• Marking circles and elliptical openings
• Shop and field fabrication work

Frequently Asked Questions

What is the Round Hole Marker used for?
It is used to mark circles, center points, and elliptical cut lines on pipe and flat surfaces.

How does the magnetic base work?
The switchable magnet securely attaches the tool to steel surfaces for stable marking.

Can this mark elliptical shapes?
Yes. The adjustable shaft angle allows you to create accurate ellipse layouts.

What size pipe can it mark?
It is designed for pipes from 2" to 10" in diameter and flat layouts from 2" to 12".

Is it durable enough for fabrication environments?
Yes. It is built from premium anodized aluminum for long-term durability.