Need an inside cutter tool for cast iron pipe to cut pipe from above without enlarging the floor opening.

Existing cutting tools require large floor openings, but the job requires cutting from inside the pipe through a small access hole.

Severity

4High

Willingness to Pay

implied

Added

Jun 4, 2026

Workarounds Described

chips up floor around drains to access pipe
uses grinder to cut pipe from outside
uses chain cutters to cut pipe from outside
enlarges hole to fit cutting tools

App Concept

CastCut Interior Pipe Cutter

A compact, Dremel-like rotary tool with a specialized cast-iron cutting head that fits inside pipes. It allows plumbers to cut cast iron from within through small access holes without needing to enlarge the opening.

Key Features

Compact rotary design fits 2-4 inch cast iron pipes
Reinforced carbide cutting wheel for cast iron
Adjustable depth stop for precise cuts
Battery-powered for cordless operation

Target Users: Plumbers and contractors performing in-place cast iron pipe modifications in commercial and residential settings

Revenue Model: $299 per tool plus $29 replacement cutting wheel packs

Existing Solutions Mentioned

grinderchain cutters

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