FEIN 849424 Review

Cutting metal on a construction site traditionally meant reaching for an angle grinder — effective, but also loud, spark-throwing, and prone to leaving a rough, burred edge that needs cleaning up with a file before the pipe or strut can be used. In environments where sparks are a safety hazard — near flammable materials, in occupied buildings, or in industrial plants — and where a clean, square cut matters, a portable band saw is the tool that professionals reach for instead. Unlike a grinder that abrades metal away, a band saw uses a continuous loop of toothed blade running between two wheels to slice through metal cleanly, quietly, and without a shower of hot sparks. It is the same principle as a workshop bandsaw, shrunk down to a handheld or one-handed tool that you carry to the workpiece — threaded rod hanging from a ceiling, conduit already fixed to a wall, or unistrut in a tight corner. For electricians, plumbers, HVAC installers, and steel erectors, a cordless portable band saw turns metal cutting from a loud, messy chore into a clean, controlled operation.

Portable band saws are defined primarily by their cutting capacity — the maximum diameter or width of material that can pass through the throat of the saw. A capacity of 60 to 65 mm covers the vast majority of materials encountered on construction and industrial sites: standard steel conduit up to 50 mm diameter, copper and steel plumbing pipe, threaded rod, unistrut channel, angle iron, and small structural sections. The blade is a continuous loop of bi-metal or carbide-tipped steel, typically 12 to 13 mm wide, that cuts by moving in one direction — unlike a reciprocating saw that cuts in both directions — producing a cleaner cut with less vibration. Cordless models in the 18-volt class have largely replaced corded versions for on-site use, as the freedom to cut overhead or in confined spaces without a power cable is transformative. Battery compatibility is an important consideration: some manufacturers use proprietary batteries, while tools in the AMPShare alliance — which includes Fein, Bosch Professional, and others — use a shared 18-volt battery platform, meaning you can use the same batteries across tools from different brands.

This review examines a cordless portable band saw from Fein, the German manufacturer with over 150 years of history in professional power tools and a reputation for precision engineering. We will assess the 63.5 mm cutting capacity's suitability for common on-site metal cutting tasks, the cut quality and blade life, the handling characteristics for one-handed and overhead use, and how the AMPShare battery compatibility adds practical value for users already invested in the Bosch 18-volt professional ecosystem.

The Fein ABAS 18-63 AS is a cordless portable band saw with a 63.5 mm cutting capacity, designed for mobile, one-handed cutting of metal pipes, conduit, threaded rod, unistrut, profiles, and plastic pipes on construction and industrial sites. It is powered by an 18-volt brushless motor and is part of the AMPShare battery alliance, meaning it is compatible with Bosch Professional 18V batteries as well as Fein's own 18V packs — a practical advantage for users who already own Bosch 18V tools and want to add a Fein band saw without buying into a new battery ecosystem. The saw uses a continuous-loop bi-metal band saw blade that runs between two wheels, driven by the motor through a gear system that translates the motor's high speed into the optimal blade speed for metal cutting. The blade cuts in one direction only, producing a clean, square cut with minimal burring and — critically — no sparks, making it safe to use in environments where an angle grinder would be prohibited.

Fein has engineered the ABAS 18-63 AS with professional daily use in mind. The body is compact and balanced to be used one-handed, with a soft-grip main handle and an over-moulded forward grip area on the motor housing that lets you steady the saw with your second hand when needed for heavier cuts. The blade runs through a set of hardened guide rollers and carbide wear pads that keep it tracking true and extend blade life by reducing friction and heat. The blade tension is set by a tool-free lever mechanism — release the tension, slip the old blade off, fit the new one, and re-tension in seconds. A transparent blade guard covers the non-cutting portion of the blade loop while leaving the cutting area visible, so you can see exactly where the blade meets the workpiece. An integrated LED work light illuminates the cutting zone, which is particularly useful when cutting in dark service cupboards, above suspended ceilings, or in plant rooms with poor lighting.

On the job, the ABAS 18-63 AS excels at the tasks portable band saws were designed for: cutting metal pipe, conduit, threaded rod, and unistrut in situ. The 63.5 mm capacity handles standard 50 mm steel conduit with room to spare and can cut through copper pipe up to 54 mm, steel pipe up to 2 inches (50 mm), and threaded rod up to M20 or larger. The cut is clean and square without the burred, discoloured edge that an angle grinder leaves — important when the cut end of a threaded rod needs to accept a nut immediately, or when a pipe end needs to fit into a compression fitting without filing. The one-handed operation is liberating: you can hold the workpiece with your free hand while guiding the saw into the cut, or reach up to cut an overhead conduit without a second person steadying the pipe. The saw cuts through metal faster than a reciprocating saw and with far less vibration and noise, and unlike a grinder, the workpiece stays cool enough to handle immediately after the cut.

The ABAS 18-63 AS comes as a bare tool — the saw body with a blade fitted, plus an Allen key for blade changes. Batteries and charger are not included, which is standard for professional bare tools and keeps the purchase price lower for users who already own compatible 18V batteries. The AMPShare compatibility means you can use Bosch Professional 18V batteries, which are among the most widely owned professional batteries in Europe, as well as Fein's own 18V packs. Replacement blades are available in different tooth configurations for different materials — finer teeth for thin-walled tubing and plastics, coarser teeth for solid bar and thick-walled pipe. The saw is manufactured in Germany to Fein's exacting quality standards, carrying on a tradition of precision engineering that dates back to 1867.

Compact enough for one-handed use yet capable of cutting 63.5 mm material, the ABAS 18-63 AS holds a perfect 5.0 out of 5 stars rating from just 4 customer reviews — a tiny sample reflecting how niche and recently introduced this tool is — and ranks #88 in Band Saws. At €246.67 for the bare tool, it is priced competitively against other professional portable band saws like those from Milwaukee and DeWalt. For electricians cutting conduit and trunking, plumbers cutting copper and steel pipe, HVAC installers working with threaded rod and unistrut, and steel erectors cutting sections on site, the combination of spark-free operation, cordless freedom, and AMPShare battery compatibility makes the Fein ABAS 18-63 AS a compelling choice that prioritises safety, cut quality, and the engineering precision that Fein has been known for across more than 150 years.

This cordless portable band saw is designed for electricians, plumbers, HVAC installers, and steel erectors who need spark-free, clean metal cutting on construction sites — especially those already using Bosch Professional 18V batteries.