Step Drill Bit, High Speed Steel, Black Oxide, 9/16 in to 1 in Size Range

Features

The shanks on these step drill bits have three flats that help prevent the bits from slipping in the drill chuck during drilling.
These cone-shaped bits have steps of increasing diameter marked along their cutting head.
As each bit is pushed into a piece of sheet metal or other thin material, each step on the bit widens the hole.
The bits also have a self-starting split point that prevents the bits from moving, or walking, when starting to drill, which eliminates the need for using a center drill to create a starter hole before drilling.

Number Hole Sizes / 8
Minimum Hole Size / 9/16 in
Maximum Hole Size / 1 in
Material – Machining / High Speed Steel
Drill Bit Sizes Included / 9/16 in, 5/8 in, 11/16 in, 3/4 in, 13/16 in, 7/8 in, 15/16 in, 1 in
Decimal Equivalent / 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875, 0.9375, 1
Measurement System / Fractional Inch
Step Increments / 1/16 in
Shank Type – Machining / Straight with Three Flats
Shank Diameter / 3/8 in
Overall Length / 2 7/16 in
Maximum Drilling Depth / 1/8 in
Finish – Machining / Black Oxide
Impact Rated / No
Primary Material Application / Aluminum, Brass, Copper, Laminate, Plastic, Steel, Wood
Series / UNIBIT
Sub Brand / Unibit