BOSCH 1-1/8" x 16" x 21" Spline SpeedX Rotary Hammer Bit BOSCH 1-1/8″ x 16″ x 21″ Spline SpeedX Rotary Hammer Bit Spline shank rotary hammer bit with carbide tip SpeedX bits have increased flute geometry for faster dust removal and less vibration Fits Bosch as well as other spline hammers See also different: 7/8 In. x 16 In. Rapidfeed Spade Bits LSB1011 Bosch 1/2″ x 16″ DareDevil Extended Length Spade Bit – DLSB1005 Bosch HC4051 1″ x 16″ x 21″ Spline SpeedX Rotary Hammer Bit << return to catalog