【商品名】Makita マキタ B-61531 1-1/4" x 36" Sds-Max Bit, 6-CutterMakita B-61531 1-1/4 "x 36" SDS-Maxビット、6カッター【カテゴリー】Rotary Hammer Drill Bits(ロータリーハンマードリルビット) : Makita【商品説明】・6-Cutter bit tip is engineered for drilling in reinforced concrete・Centering tip features a more aggressive design for faster hole starting・Central guiding action engineered for more accurate holes・Aggressive head geometry in primary cutter engineered for use in concrete・Engineered for reduced vibration