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A bush hammer is a masonry tool used to texturize stone and concrete. Bush hammers exist in many forms, from simple hand-held hammers to large electric machines, but the basic functional property of the tool is always the same - a grid of conical or pyramidal points at the end of a large metal slug. The repeated impact of these points into stone or concrete creates a rough, pockmarked texture that resembles naturally weathered rock. Bush hammers can help to increase bonding effectiveness when applying new concrete to an existing concrete surface by increasing the surface area of the bonding zone. The head resembles modern day framing hammers with their distinctive "waffle head" pattern for extra grip. ==Gallery== File:bouchard.JPG|A bush hammer chisel for pneumatic hammers File:Fo2.jpg|Bush hammered fountain, handmade File:IMG 1098 Sandstein-Oberfläche gestockt.JPG|Bush hammered sandstone File:Beuchaer-gestockt.jpg|Bush hammered granite porphyry File:Prikking.gif|Bush hammering machine 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「bush hammer」の詳細全文を読む スポンサード リンク
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