Gouge Chisel - Stanley, SDS-plus, 22 x 240 mm, 14 mm Depth, STA54417-QZ

Stanley SDS-plus Gouge Chisel, 22 x 240 mm, 14 mm Depth, STA54417

Stanley STA54417 is a gouge (channelling) chisel with an SDS-plus shank. Tip width 22 mm, overall length 240 mm, gouge depth 14 mm. It fits any rotary hammer with an SDS-plus chuck.

Why the tip is a gouge, not flat

A flat chisel breaks the material and leaves a wide, ragged track. A gouge tip is half-round and works differently: the side edges score the channel while the middle throws the debris outwards. The result is a narrower and more even channel, with the surrounding render not tearing away in lumps.

What it is used for

The main job is running chases for cable and thin pipe in brick, aerated block and render. A gouge 14 mm deep and 22 mm wide takes conduit or cable, which is then plastered over. It also cleans out a chase started with a wall chaser or an angle grinder - the chaser makes the two cuts, and the gouge lifts the material between them.

SDS-plus

The SDS-plus fitting is the standard on light and medium rotary hammers. The shank pushes in and clicks without a key, and there is play inside that lets the chisel move along its axis on every blow - which is exactly what passes the blow into the material rather than into the machine.

Using it

Switch the hammer to chisel-only mode. Guide the chisel at a shallow angle to the surface, not square on - at a shallow angle the material lifts off in flakes and the channel comes out even, whereas attacking square on buries the tip and makes a hole.

Maintenance

The shank should be greased periodically with proper SDS grease. Without grease the chuck and the shank wear each other, play develops, and eventually the chisel throws itself out in use. The tip is reground when it dulls - restore the gouge on a grinder, taking care not to overheat the steel.

Technical specifications

Questions and Answers