Description:1\/4 Inch to 1-3\/8 Inch Spiral Groove Step Drill Bit Round Shank
Specification:
1\/4" to 1-3\/8" Spiral Flute Step Bit (10 Steps)
Steps: 1\/4"， 3\/8"， 1\/2"， 5\/8"， 3\/4"， 7\/8"， 1"， 1-1\/8"， 1-1\/4"， 1-3\/8"
Solid Cobalt M42 Steel
Shank Size: 3\/8"
Features:
New Spiral Flute Design Cuts Faster and Straighter
Two Flute Design Automatically Deburrs While you Drill
3 Flat Sides on the Shank so the Bit will Not "Spin" in the Chuck
Package Included:1 x Step Drill
More Details: