HHIP 5000-0500 High Speed Steel Step Drill with 13 Steps, Tin Coated, 1/8-1/2" x 1/32" Hole Range, 1/8" Step Depth, 1/4" ShankR$ 205,08Amazon
HHIP 5000-0875 High Speed Steel Step Drill with 12 Steps, Tin Coated, 3/16-7/8" x 1/16" Hole Range, 1/8" Step Depth, 3/8" ShankR$ 245,80Amazon