Step Drill Bit Set, High Speed Steel, 1/8 to 3/4 in, 3 Pieces
Mfr # 15502
Zoro # G1791291
Key Features
Specifications
Product Information
- MFR #
- 15502
- Zoro #
- G1791291
- UPC #
- 038548155029
- Country of Origin
- United States
Dimensions
- Size Range
- 1/4 in to 3/4 in, 1/8 in to 1/2 in, 3/16 in to 1/2 in
- Step Thickness
- 5/32 in, 3/8 in
- Number of Hole Sizes
- 28
- Bit Length
- 2-3/4", 3-1/8"
- Overall Length
- 2 1/2 in, 3 3/16 in, 3 1/4 in
- Drill Bit Dimension Type
- Fractional Inch
- Shank Size
- 1/4 in, 3/8 in
- Sizes Included
- 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"; 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
- Flute Length
- 1 1/2 in, 2 in, 2 3/16 in
- Drill Bit Sizes Included
- 1/8 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in, 9/32 in, 5/16 in, 11/32 in, 3/8 in, 13/32 in, 7/16 in, 15/32 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in
- Shank Hex Size
- 1/4 in
- Minimum Hole Size
- 1/8 in
- Number Hole Sizes
- 17
- Maximum Hole Size
- 3/4 in
- Shank Diameter
- 3/8 in
- Shank Length
- 5/8 in, 3/4 in
- Largest Drill Bit Size
- 3/4 in
- Smallest Drill Bit Size
- 1/8 in
Description
The IRWIN 15502 Step Drill Bit Set from the UNIBIT series includes three high speed steel step drill bits sized for fractional inch hole enlargements from 1/8 inch to 3/4 inch. The bits have a Titanium Nitride (TiN) finish and a 135-degree point angle and are specified for drilling the listed materials: brass, copper, wood, steel, and plastic. Each bit has a single flute for cutting and increments that allow step drilling with thicknesses between 5/32 inch and 3/8 inch. The bits have stepped diameters for hole enlargement within the stated size range.
Key Features:
- Largest drill bit size: 3/4 inch; smallest: 1/8 inch.
- High speed steel construction with a Titanium Nitride (TiN) finish.
- Shanks include 1/4 inch and 3/8 inch hexagonal shapes with three-flat design for secure grip.
- Overall lengths range from 2 1/2 inches to 3 1/4 inches, with flute lengths between 1 1/2 inches and 2 3/16 inches.
- Included sizes cover multiple ranges: 1/8 to 1/2 inch, 3/16 to 1/2 inch, and 1/4 to 3/4 inch.
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