Flat face and wedge pein, 100 to 800 g, for striking punches and chisels, peening a seam and straightening plate. Sold in Europe as an engineer's hammer and by shape as a cross pein hammer. Forged head, 260-330 mm handle, OEM marking from 500 pcs per model.
| Head weight | Typical use | Handle |
|---|---|---|
| 100-200 g | Precision, instruments | Wood |
| 300 g | Assembly, sheet metal | Wood |
| 500 g | General workshop (volume size) | Wood or fibreglass |
| 800 g | Heavy striking | Fibreglass |
The wedge concentrates force along a line - seams, corners, gear teeth. The ball concentrates it at a point - rivet heads, dimples, sculpting. That is why a machinist hammer and a ball pein hammer are both kept in the same workshop rather than one replacing the other.
Machinist hammer, machinist's hammer, engineer's hammer, cross pein hammer and (in older catalogues) fitter's hammer all point to this pattern. If a buyer asks for an engineer's hammer with a wooden handle, this is the item; the ball pein version is listed separately.
The head is forged, hardened and tempered, then wedged and epoxy-set. Ask for the head hardness and the wedge type if the hammer will be used against hardened punches; a soft head mushrooms and a hard one chips.
Yes in practice: flat face plus a wedge pein, 100-800 g. 'Machinist hammer' is the trade name, 'cross pein' describes the pein shape.
Metalwork: striking punches and chisels, peening along a seam, straightening plate and general bench assembly.
The wedge pein concentrates force along a line, which suits seams and corners; the ball concentrates it at a point for rivets. Many workshops keep both.
300 g and 500 g are the volume sizes; below 200 g is precision work, 800 g is heavy striking.
Both, 260-330 mm. Hickory is standard for Europe; fibreglass is preferred where humidity and overstrike are issues.
