What's inside
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Quick verdict
The DeWalt DCS334 and Bosch GST18V-155 are cordless barrel-grip jigsaws aimed at controlled cutting, not just fast rough work. Both can make clean curves and accurate straight cuts when paired with a sharp blade and a well-supported workpiece. The practical choice comes down to which handle, blade-change system and battery platform suit you—and whether you can test the grip before buying.
For fine joinery, neither saw makes blade drift disappear. A narrow blade can wander in thick stock, and forcing the saw through a turn usually leaves a ragged edge or a cut that is out of square. Let the blade and the saw’s line of sight guide your setup; use a router, track saw or hand plane when the joint demands a more controlled edge.
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At a glance
| Detail | DeWalt DCS334 | Bosch GST18V-155 |
|---|---|---|
| Format | 18V cordless barrel grip | 18V cordless barrel grip |
| Stroke length | 1 inch | 1 inch |
| Maximum speed | Up to 3,200 strokes per minute | Up to 3,800 strokes per minute |
| Blade system | Tool-free blade change; T-shank blades | Tool-free blade change; T-shank blades |
| Pendulum action | Four-position setting | Four-stage orbital action |
| Best buying reason | Existing DeWalt 20V MAX batteries and familiar controls | Existing Bosch 18V batteries and higher top speed |
Specifications can vary by market and kit, so check the exact listing for included batteries, charger and dust-extraction fittings. Neither maximum speed nor the number of orbital settings tells you how clean a cut will be by itself.
Handling and control
A barrel-grip saw lets you hold the tool low around its motor housing, which some users find easier to steer through curves than a top-handle design. That grip is personal: small hands may find a barrel bulky, while others value the lower hand position. Try both if possible, especially if you plan long sessions or detailed scroll cuts.
The DCS334 is a sensible fit if your shop already runs DeWalt 20V MAX batteries. The Bosch GST18V-155 makes similar sense on Bosch’s 18V platform. Owning compatible batteries can matter more than a modest difference in cutting speed; a bare tool is usually the economical route for someone already invested in that system.
Before committing to either, check how easily you can reach the speed control, lock-on switch and blade release while holding the saw. A control that is awkward to operate can interrupt a careful cut. Also check the base plate: keep it flat against the work, and don’t let the front edge tip up as you follow a curve.
Cut quality and blades
The Bosch’s higher published top speed—3,800 strokes per minute against the DeWalt’s 3,200—offers more speed range at the top end, but that is not an automatic advantage for joinery. Fast cutting can increase heat and tear-out, particularly in thin veneer-faced plywood. Start with orbital action off for a cleaner edge, make a test cut in scrap, and increase speed only if the blade is cutting smoothly without burning.
Orbital action moves the blade more aggressively through the cut. It can speed up rough work, but it tends to worsen splintering and makes delicate curves harder to control. For a visible edge or a tight turn, use little or no orbital action. For cleaner plywood edges, place painter’s tape on the cut line or use a fine-tooth reverse-tooth blade, but test first: reverse-tooth blades can lift the saw if you don’t keep the base firmly down.
Blade choice often matters more than the saw badge. Use a narrow, fine-tooth blade for tight curves, and a stiffer blade designed for straight cuts when accuracy matters. A worn blade may pull to one side even when you guide the saw carefully. If the cut face is out of square, slow down, check the blade for damage, and keep the base plate square to the work. For stock around 1 inch thick, expect a narrow blade to drift more readily than a broad, stiff blade.
Buying and using them for joinery
Buy the tool that fits the batteries you already own unless a test cut gives you a clear reason to switch platforms. Compare bare-tool and kit prices, and verify whether a kit includes a battery and charger; listings often differ. To browse compatible options, look at DeWalt 20V MAX jigsaws or Bosch 18V barrel-grip jigsaws, checking the model and battery details carefully before ordering.
For joinery, mark the waste side clearly and leave a little material outside the finished line. Clamp the work so the offcut cannot pinch the blade, but keep clamps clear of the saw’s path. Support sheet goods close to the cut to reduce vibration. Let the saw reach speed before entering the work, and avoid twisting the body to steer around a curve; rotate the workpiece when you can. If you need a precise shoulder, trim the jigsaw-cut edge afterward with a chisel or plane.
Choose the cheaper saw if it is on your battery platform and its grip feels comfortable. Pay more only if the competing saw demonstrably fits your hand better, handles your blades and accessories more conveniently, or is part of a battery system you plan to keep. For occasional cutouts and rough shaping, either tool is capable. For a snug dovetail, cabinet joint or furniture edge, plan on finishing the cut with a more suitable tool rather than expecting a jigsaw to leave a ready-to-assemble surface.