can I cut 16 gage stainless steel with this tool?

I am not sure because have no clue how thick 16 gauge steel is but i bought and used it on duct work to cut access holes for duct cleaning. Much of the duct work i cut was very old and thick and never i had a problem. I highly recommend you use a drill with an actual electric plug. Cordless drills didnt work well for me.

Can I cut through wood with this?

Your bit only comes through about 1/4-5/16. I would be afraid you may have a hard time. I think it would cut wood ok just not deep. Sheet metal is very thin 21 gauge

Can it cut circles in 20 gauge stainless steel?

According to Malco website, this item is rated to cut up to a 20 gauge maximum in GALVENIZED metal. I am not sure if stainless would be considered a harder substance. Since 20 gauge is the maximum, I would use this product very slowly and carefully while attempting to cut. I would also have additional bits on hand in case it should break in the middle of a project.

How well does it cut sheet plastic?

I've never cut plastic with mine, but I have cut hundreds and hundreds of holes in sheet metal. My guess is that it would work fine in plastic IF you take your time and let the bit do the cutting. Pressing too hard or attempting to force the bit might cause the plastic to get hot ant melt against the bit. That would be a mess.

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Malco HC1 2 in. to 12 Sheet Metal Hole Cutter Accessory for 1/4 or Larger Drill, Multi

Product ID: 305609375

Details

Material
Aluminum
Cutting diameter
12 Inches
Finish type
Gold
Shank type
Straight
Brand
Malco

📏2"-12" adjustable cut size

⚙️High-speed bearings for smooth balance

🇺🇸Proudly made in the USA

€ 267.06

Duties & taxes included

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Cut with confidence, craft with precision.

DUAL MEASUREMENT GAUGE - Combination English/Metric scale ensures exact sizing every time—no guesswork.
PRECISION CUTTING RANGE - Effortlessly cuts 2" to 12" holes in up to 20-gauge galvanized steel—perfect for HVACR pros.
LIGHTWEIGHT ALUMINUM FRAME - Easy to handle and store, making your toolbox smarter, not heavier.
DURABLE HIGH SPEED BEARINGS - Engineered for flawless balance and extended cutting life, reducing downtime.
UNIVERSAL DRILL COMPATIBILITY - Fits any standard electric drill chuck 1/4" or larger—no special tools needed.

The Malco HC1 Sheet Metal Hole Cutter is a versatile, adjustable accessory designed for professional HVACR and roofing use. It cuts clean holes from 2 to 12 inches in galvanized sheet metal up to 20 gauge, fits standard drills with 1/4-inch chucks, and features high-speed bearings for smooth, balanced operation. Lightweight and made in the USA, it combines durability with precision for long-lasting performance.

Specifications

ASIN	B000289542
ASIN	B000289542
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#78,364 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #154 in Hole Saws
Color	Multi
Country of origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (631)
Customer reviews	4.6 4.6 out of 5 stars (631)
Cutting Diameter	1.25 Inches
Date First Available	1 January 2024
Date First Available	1 January 2024
Department	Unisex Adult
Finish	Gold
Grit Description	Fine
Grit Rating	36
Included components	stand
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	431 g
Item diameter	1.25 Inches
Item model number	HC1
Item model number	HC1
Manufacturer	Malco
Manufacturer	Malco
Material	Aluminum
Measurement System	Inch
Number Of Pieces	1
Part number	HC1
Pattern	Accessory
Power source type	Hand Powered
Product Dimensions	27.94 x 15.24 x 2.54 cm; 430.91 g
Shape	Circle
Size	not_applicable
Style	Classic
Wattage	200 watts

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