Irwin 322018B25 1/4" x 6" x 8" Speed Plus Hamer Drill Bits 2 Cutter 25 Pack KD Tools Bosch 211857 1-1/4" x 31"

Bosch 211857 1-1/4" x 31" x 36" SDS-Max Shank Drill Bit 4 Cutter UNBRANDED GermanyThese were manufactured by Bosch and are unbranded blanks

Relieved shape facilitates excellent access to confined spaces and microscope visibility

End Type: Open and Box End

Aeronca x 4 weiser s19r3a2

Extended bit life

Irwin 322018B25 1/4" x 6" x 8" Speed Plus Hamer Drill Bits 2 Cutter 25 Pack KD Tools Bosch 211857 1-1/4" x 31"322018B25 Drl Bit 1 4" X 6" X 8" Speed hammer Blk Fits all SDS plus and Hilti TE C rotary hammers Reduced area above the flute prevents the drill bit from binding while drilling the full usable length can be utilized Chrome vanadium shaft through hardened to 50 53HrC Patented tip and flute design removes dust more efficiently up to 25% faster than other bits