Bosch 2608587426 step drill hss triangle shank set 4 12 4 20 6 3
Bosch step drill hss triangle shank set 4 12 4 20 6 30mm 3 pcs bosch 2608587426 p these hss step drill sets from bosch have triangular shanks p bosch 2608587426 step drill hss triangle shank set 4 12 4 20 6 30mm 3 pcs