Cutting Round Sheet Metal Duct

Aviator snips work fine to cut holes in a trunk line but only if there s enough space.

Cutting round sheet metal duct.

51 mm to 305 mm holes in up to 24 gauge steel and 26 gauge stainless steel. 30 ga insulated box. Switch and receptacle spacer. Galvanized sheet metal ducts from the duct shop s hvac ductwork is manufactured from high quality galvanized steel in 3 foot lengths for easy handling.

One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct. There are many other tools and methods used to cut sheet metal ducts including hole cutters roto zips hole saws and even jigsaws. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct. Sheet metal duct pipe fittings page 1 of 211.

The grooving machine is used to bead round duct to strengthen round tube with the big diameter. To see availability for this product personlog in or get online access. Customers can choose different lock seam closing machine on the basis of sheet thickness and duct length. Amazon link to great products that every diyer and handyman should know about.

Measurements for inches and centimeters are molded into body. There are three types electric pneumatic and hydraulic machines. If you re dealing with close quarters and you own a right angle drill or attachment you may want to invest in a sheet metal hole cutter. There are two ways to cut round ducts.

A hole cutter works great in tight spots when replacing ductwork. There are two types electric and manual. Any tin snips will work for this. The klein tools hole cutter will cut 2 in.

Photo 3 shows how to cut through thick metal. But when you come to the thicker locking seam you ll need the extra leverage of compound snips. Tin snips with red colored handles can also cut straight lines and tighter curves to the left. Punch a starter hole in the metal with the blade of a straight screwdriver and a hammer large enough to fit the tip of the compound.

20 in x 25 in x 16 in duct square to round. Mark the cut line or area on sheet metal with a felt tip marker. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. Otherwise you might have to take down the trunk line.

Use for 24 gauge steel and 26 gauge stainless steel. How to cut round ductwork to size with tin snips. Inch and centimeter measurement scales are molded into the body for accurate hole diameters. Keep in mind that the cut edges of sheet metal are very sharp.