The end of a hammerhead opposite the striking face

• Often spherical or wedge-shaped, as on a ball-peen or cross-peen

锤头与击打面相对的另一端

• 常为球形或楔形，如球头或十字头的一端

To shape or work metal by hammering

• Especially using the peen to stretch, curve, or harden the surface

通过锤击使金属成形或表面强化

• 尤指用锤背敲击以拉伸、弯曲或硬化表面