A pair of hammer head can top three of the use of the hammer.

一副锤头可以顶三幅锤头的使用。

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The hammer head is spherical, and the hammer stem is an elastic stem of which one section is a spring.

它由锤头、锤杆和手柄组成，锤头为球状，锤杆为有一段为弹簧的弹性杆。

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The percussion hammer consists of a percussion hammer body, a percussion hammer head, percussion hammer handles, an illumination light tube, a scaled rule, a U disk and a knife which are integrated.

本发明由叩诊锤主干，叩诊锤头、叩诊锤柄，照明灯筒、量尺、U盘和小刀组成为一体；

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Ms O'Hara described how on one occasion Mr Sweeney was arrested for hitting her sister on back of the head with a hammer.

BBC: Canal murders accused John Sweeney 'cut up girlfriends'

The South Belfast MLA described an attack on a man who had been hit on the head with a hammer and whose car was found burned out a short distance away, and said people were fearful of letting their daughters drive cars in Belfast at the weekend.

BBC: Car-jacking crimes

Eric Hebborn was killed by a hammer blow to the back of his head, inflicted on the night of January 11, 1996, in the Trastevere district of Rome.

FORBES: Eric Hebborn Wants To Teach You How To Forge Art. Got A Pen? [Book Excerpt #2]