Step Drill Bits & Kits

Electrician's Step Drill Kit 1 (851 Kit 1):

  • Contains 1 each: 851.1375B, 851.0050A, 851.1000

Electrician's Step Drill Kit 2 (851 Kit 2):

  • Contains 1 each: 851.0750B, 851.1375B

General Purpose Step Drill Kit 1 (851 Kit 3):

  • Contains 1 each: 851.0500A, 851.0875QC

General Purpose Step Drill Kit 2 (851 Kit 4):

  • Contains 1 each: 851.0500A, 851.1500

  • Covers all usual hole sizes from 1/8" to 1-1/2"