IRWIN® multi-material drill bits drill through just about any type of material out there - brick, block, tile, metal, wood, plastic and marble - they'll even drill through multiple materials at the same time. These versatile bits are designed specifically for rotary drilling, but are tough enough to be used with hammer drills.
IRWIN® Jobber Length Drill Bit, Drill Size - Fraction: 1/4 in, Drill Size - Decimal Inch: 0.25 in, 4 in Overall Length, Straight Shank, Double Milled Flute, 3 in Flute, Diamond Ground Point, HSS, Applicable Materials: Block, Brick, Marble, Metal, Plastic, Tiles, Wood
| Applicable Materials | : | Block, Brick, Marble, Metal, Plastic, Tiles, Wood |
| Drill Size - Decimal Inch | : | 0.25 in |
| Drill Size - Fraction | : | 1/4 in |
| Flute Length | : | 3 in |
| Flute Type | : | Double Milled |
| Material | : | HSS |
| Overall Length | : | 4 in |
| Point Type | : | Diamond Ground |
| Shank Type | : | Straight |
- Carbide tip has a unique diamond ground, 4-facet design with sharper cutting edges for centered starts with no walking, fast drilling and excellent hole quality in a variety of materials
- Double milled flute ensures fast, efficient removal of drilling dust and debris to increase speed and prevent clogging
- Compatible with all standard 1/2 in and 3/8 in chuck drills
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