Tashar tashar tashar karfe ce mai tsayi mai tsayi tare da sashin tsagi mai siffa, wanda na tsarin ƙarfe na carbon don gini da injina.Sashe ne karfe mai hadadden sashe, kuma siffar sashinsa siffar tsagi ne.An fi amfani da karfen tashar don tsarin gini, aikin injiniyan bangon labule, kayan aikin injiniya da masana'antar abin hawa.