定深套/划窝钻/铣平钻/倒拉划窝钻/倒拉铣平钻 - 3-8 AT589DA AT589EA AT589AA AT589CA AT589A-.098 AT589A-.1285 AT589A-.1562 AT589A-.159 AT589A-.161 AT589A-.1875 AT589A-.1935 AT589A-.2187 AT589A-.250 AT589A-.257 AT589C-.2812 AT589C-.3125 AT589C-.3437 AT589C-.375 AT589C-.4375 AT589C-.500
