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  11. Unibit No. 4 Step Drill Bit, 12 Hole Sizes, 3/16 to 7/8 ", 1/16" Steps, High-Speed Steel, Hex Shank
Irwin Unibit No. 4 Step Drill Bit, 12 Hole Sizes, 3/16 to 7/8 ", 1/16" Steps, High-Speed Steel, Hex Shank UNIBIT 4 - main

Unibit No. 4 Step Drill Bit, 12 Hole Sizes, 3/16 to 7/8 ", 1/16" Steps, High-Speed Steel, Hex Shank

  • Mfr # UNIBIT 4

  • Zoro # G1931483

product price: $39.39
/ea

Key Features

Shank Diameter
3/8 in
Material - Machining
High Speed Steel
Finish - Machining
Black Oxide
Overall Length
2 7/8 in
Number of Flutes
1
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Specifications

Product Information

MFR #
UNIBIT 4
Zoro #
G1931483
UPC #
038548101040
Country of Origin
United States

Dimensions

Shank Diameter
3/8 in
Overall Length
2 7/8 in
Size Range
3/16 in to 7/8 in
Step Thickness
5/32 in
Drill Bit Sizes Included
3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in, 13/16 in, 7/8 in
Maximum Hole Size
7/8 in
Minimum Hole Size
3/16 in
Maximum Drilling Depth
1/8 in
Number Hole Sizes
12

Details

Item
Step Drill Bit
Shank Type - Machining
Straight with Three Flats
Material - Machining
High Speed Steel
Finish - Machining
Black Oxide
Number of Flutes
1
Number of Pieces
1
Impact Rated
Not Impact Rated
Decimal Equivalent
0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875
Sub Brand
Unibit
Step Increments
1/16 in
Cutting Direction
Right Hand
Series
Unibit
Drill Bit Point Type
Speed Point
Measurement System
Fractional Inch
Primary Material Application
Aluminum, Brass, Copper, Plastic, Steel, Wood

Description

The IRWIN - UNIBIT 4 Step Drill Bit is a high-speed steel tool with a black oxide finish, designed for precision drilling in thin materials such as aluminum, plastic, copper, stainless steel, and brass. This versatile bit falls under the UNIBIT series by Irwin and measures an overall length of 2 7/8 inches.
Key Features:

  • Size Range: The step drill bit can create holes ranging from 3/16 in to 7/8 in without needing to change bits.

  • Shank Diameter: It features a straight shank with three flats measuring at 3/8 inch diameter for secure grip and reduced slippage.

  • Maximum Drilling Depth: It has a maximum drilling depth of up to 1/8 inch.
    This product's unique design allows it to deliver efficient performance across diverse industrial tasks while ensuring precision. Please note that attributes like finish type or shank shape may vary based on specific models within the UNIBIT series.

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