Hammer

An engineer’s hammer is a hand tool used for striking purposes while punching, bending, straightening, chipping, forging and riveting.

Major parts of a hammer

The major parts of a hammer are the head and the handle.

  1. Head
  2. Handle

The head is made of drop-forged carbon steel, while the wooden handle must be capable of absorbing shock.

The parts of a hammer head are the

  1. Face
  2. Pein
  3. Cheek
  4. eye hole
Parts of Hammer
Parts of Hammer

1. Face

The face is the striking portion. A slight convexity is given to it, to avoid digging of the edge. It is used for striking while chipping, bending, punching etc.

2. Pein

The pein is the other end of the head. It is used for shaping and forming work like riveting and bending. The face and the pein are case hardened.

The pein is of different shapes such as :
• ball pein
• cross-pein
• straight pein

Types of Piens in Hammer
Types of Piens in Hammer

3. Cheek

The cheek is the middle portion of the hammer head. The weight of the hammer is stamped here. This portion of the hammer-head is left soft.

4. Eye-hole

The eyehole is meant for fixing the handle. It is shaped to fit the handle rigidly. The wedges fix the handle in the eyehole.

Questions & Answers

1. Why slight convexity is given on the face of hammer?

Answer : A slight convexity is given to face of hammer, to avoid digging of the edge

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