Bosch DXS5021 5/8 In. x 25 In. SDS-plus Speed Clean Dust Extraction Bit Cobalt-bit It has an auto oiling

It has an auto oiling feature for added convenience and time saving

Faster than its cordless competitors

The high grade Tungsten Carbide tips are engineered for improved durability and longer blade life

RA1109 - Template guide (7/16 In

Bosch DXS5021 5/8 In. x 25 In. SDS-plus Speed Clean Dust Extraction Bit Cobalt-bit It has an auto oilingBosch Speed Clean drill bits are built using a solid piece of steel with a dust channel that's milled to Bosch specifications to extract dust while drilling, creating 25 percent greater drilling speed. The dust extraction bit system saves time, saves money and produces 90% less dust than traditional drilling methods. The bit life is comparable to the life of Bosch SpeedX SDS max bits. Solid carbide tips are embedded in a steel head with robust four