Ball-peen hammer

The peen hammer is the most widespread in Germany hammer type. He has a square sheet, and a rounded tiller angles to the stem. The head weight is between 50 g and 2 kg. Hammers usually have wooden handles made ​​of ash or hickory. Sometimes these are protected by shaft sleeves. There are also made ​​of plastic or steel stems. The railway and the tiller are hardened to 50-58 HRC, the house remains soft (approx. 30 HRC ). Hammers are described in DIN 1041.

The French form of the locksmith hammer has a rectangular path. The tiller is deducted at the top.

The English form of the locksmith hammer is also called engineering hammer. He has a round rail and either a fin or a ball on the other side. The house, that is the center piece is discontinued and cylindrical transverse to the longitudinal axis. The head weight is between 1/4 lbs and 2 lbs. This hammer is described in British Standard BS 876. The engineer hammer is used in the Handvernietung.

• Hammer (Tool )