Hilti 377080 Stepped Drill Bit 4.7/7 for X-BT Fasteners
HILTI TX-BT 4.7/7 -110 Stepped drill bit #377080. Product number #377080. 4.7/7 - 110 Stepped Drill Bit for X-BT Fasteners. Stepped drill bits help make drilling the correct pilot hole depth easier and quicker.