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The DEWALT DCS491B 18-gauge swivel-head shear cuts mild steel continuously, with a 360° tool-free head for access in tight spots.
Pair withDEWALT 20V MAX 3.0Ah Battery 2-Pack (DCB230-2)$49.50
Categories : tools
SKU : WOR-TOO-467
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The DEWALT DCS491B 20V MAX 18-Gauge Swivel Head Metal Shear is purpose-built for cutting sheet metal on the job site. Its 360° tool-free swivel head lets you follow contours and reach into tight corners without twisting your wrist, while the 18-gauge capacity in mild steel (20-gauge stainless) handles ductwork, flashing, and metal roofing. Because the 7/32″ strip curls away from the cut, you get a clean edge with less binding. This is a tool-only model, so it pairs with your existing DEWALT 20V MAX battery system.
Powered by any DEWALT 20V MAX battery – from compact 1.5Ah packs to high-capacity 6.0Ah XR packs. No other adapter needed. If you don't have a battery yet, grab a DCB230 or DCB203 and a DCB101 charger separately.
When it's time to resharpen or replace the cutting head, the shear uses standard DEWALT DCS491 replacement blades. Ordering a spare pair keeps the tool in service. The swivel head removes easily with no tools.
0–2,300 SPM gives you variable cutting speed to match material thickness. The minimum cut radius of 5.5 inches lets you work around curves without distorting the metal. Weighing just over 3.9 lbs, this shear is comfortable for extended overhead work.
Backed by DEWALT’s 3-year limited warranty, the DCS491B is a dependable addition to any metalworking setup.
360° tool-free swivel head – reach tight corners and keep the cut line visible.
Cuts 18-gauge mild steel and 20-gauge stainless; continuous strip curl prevents binding.
Cordless and portable – take it anywhere on the job site.
0-2,300 SPM variable speed matches material thickness.
Backed by DEWALT's 3-year limited warranty.
Model: DCS491B
Warranty: 3-year limited
Swivel Head: 360° tool-free
Product Type: Cordless Metal Shear
Minimum Cut Radius: 5.5 in
Mild Steel Capacity: 18 gauge
Battery Compatibility: DEWALT 20V MAX (sold separately)
Max Strokes Per Minute: 2,300 SPM
Stainless Steel Capacity: 20 gauge
Seller: Workbench World
MPN: DCS491B
Manual snips are fine for small jobs, but they twist your wrist and leave ragged edges. The DCS491B’s swivel head keeps your hand straight and gives you continuous cuts through 18-gauge steel, which is nearly impossible with hand tools. For HVAC work, siding, and metal fabrication, this cordless shear saves real time.
Because the tool is battery-powered, you’re not tethered to a cord or an air hose – a real advantage up on a ladder or out on a slab.
Any DEWALT 20V MAX battery, including XR and compact packs. The battery is not included (tool only).
Yes, it ships with the cutting head installed. Replacement blades are available separately.
Loosen the nose piece (or swivel lock) and slide the old cutter out. No tools needed for the swivel adjustment.
Yes, the swivel head helps you follow curves and corrugations.
I've used many shears over the years, and this cordless one holds its own against pneumatic models. The head swivels in any direction, which is a lifesaver in tight spots. It cuts 18-gauge steel smoothly without bending the metal. The battery life is decent for the amount of cutting I do. I wish it had a slightly longer trigger, but I've gotten used to it.
Cuts like butter.
I do HVAC work and this shear is perfect for ductwork. The swivel head lets me cut in awkward angles. It's a bit heavy but manageable.
