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13 Products

Step Drill Bit

13 Products

10313ZR Irwin Step Drill Bit,#13 UNIBIT Step Drill,1-1/8",1 Hole
10311ZR Irwin Step Drill Bit,11-7/8",1 Hole
15104 Irwin Step Drill Bit,3/16" minimum DIA,7/8" maximum DIA
15103ZR Irwin Step Drill Bit,3T 9 Hole S (1/4"-3/4" ),1/16" Increments
15102ZR Irwin Step Drill Bit,2T 6 Hole S (3/16"-1/2"),1 /16" Increments
10220 Irwin Unibit Step Drill Bit Set,8 Hole S (9/16''-1''),Shank1/2",1/8'' Increments
15101ZR Irwin Step Drill Bit,1T 13 Hole S (1/8"-1/2 ),1/32" Increments
10310 Irwin Step Drill Bit,10-1/2" standard,1 Hole
10235 Irwin Unibit Step Drill Bit Set,10 Hole S (1/4"- 1-3/8"),1/8",Shank1/2"
10234 Irwin Unibit Step Drill Bit Set,12 Hole S (3/16"-7/8"),1/8'',Shank3/8"
10233 Irwin Unibit Step Drill Bit Set,9 Hole S (1/4"-3/4"),1/8'',Shank3/8"
10232 Irwin Unibit Step Drill Bit Set,6 Hole S (3/16"-1/2"),3/8"
10231 Irwin Unibit Step Drill Bit Set,13 Hole S (1/8"-1/2"),1/8''