FG1 – DUCT BOARD HOLE CUTTER

The Malco FG1 cuts clean, precise round holes in fiberglass duct board — anywhere from 4″ to 20″ diameter. Essential for duct fabrication when you’re adding takeoff collars, boots, or transitions. Works on 1″ thick duct board with the included utility knife blade, and the built-in compass lets you mark exact diameters.

Specs: Cuts 4″ to 20″ diameter holes, for 1″ thick fiberglass duct board, includes utility knife blade and compass

Replaces: FG-1, FG1

Fits: Standard 1″ fiberglass duct board. Universal duct fabrication tool — not brand-specific.

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Specs

• TypeTools

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• FG-1
• TOOL

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.

Do I need an account to buy from you?

No. No account, no appointment, no minimums, and no contractor licence required. We have been open to the public in Dallas since 1998.

Do you ship?

No. Everything is sold in person at the counter - 10226 Plano Rd, Suite 104, Dallas TX 75238.

Can you help me work out what I need?

That is what the counter is for. Bring the old part, or a photo of the data plate, and we will work through it with you.

Do you test parts?

We meter capacitors, contactors, motors, ignitors, relays and transformers free at the counter, whether or not you buy from us.

What are your hours?

Monday to Friday 10am to 7pm, Saturday 10am to 3pm.