IRWIN Unibit Self-Starting Step Drill #15103ZR, TiN Coated, 9 Hole Sizes, 1/4 to 3/4" Hole Dia. - 54-329-8
Brand: IRWIN- SKU:
- 54-329-8
- ID:
- 98957
| Model | 15103ZR |
| Material | TiN Coated |
| Hole Sizes | 9 |
| Size Range | 1/4 - 3/4" |
| Step Length | 1/8" |
| Step Increments | 1/16" |
| Shank Dia. | 3/8" |
$99.95
IRWIN Unibit Self-Starting Step Drill #15103ZR, TiN Coated, 9 Hole Sizes, 1/4 to 3/4" Hole Dia.
High Speed Steel Speedpoint Step Drill Bit
1/8" Step Length, 3/8" Round Shank with Flats, TiN Finish
Features:
- Multiple Hole Sizes UNIBIT Step Drills have an exclusive single radial concave flute.
- Allows the drilling of perfectly round holes in thin materials quickly and with less effort.
- Each bit is constructed of industrial grade high speed molybdenum steel, and is heat treated to a hardness of between 61 and 63 on the Rockwell "C" scale. This assures maximum strength and long life.
- Use for steel, copper, brass, aluminum and other thin materials.
- Also ideal for drilling through wood, composition board, and even plexiglass and plastics which often crack with standard twist drills.
- Handle thicker materials by drilling from both sides of work surface.
- Use for reaming, deburring and cutting through soft wood or plasterboard.
Specifications:
| Manufacturer Part # | 15103ZR |
| Minimum Hole Diameter (Inch) | 1/4 |
| Maximum Hole Diameter (Inch) | 3/4 |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | TiN |
| Number of Hole Sizes | 9 |
| Shank Type | Round with Flats |
| Shank Diameter (Inch) | 3/8 |
| Step Length (Inch) | 1/8 |
| Hole Diameter (Inch) | 1/4 to 3/4 |
| Point Type | Speedpoint |
| Step Increments (Inch) | 1/16 |
| Number of Flats | 3 |
