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Hole-Enlarging Drill-Bit Sets
Enlarge existing holes without changing the depth. These bits have flutes with a right-hand spiral and a right-hand cut. The flutes pull chips upward as they cut for use in blind holes.
For technical drawings and 3-D models, click on a part number.
Direction | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Sizes Included | Number of Pieces | Flute Style | Spiral | Cut | Container Type | For Use On | System of Measurement | Set | |
Black and Gold Oxide Tool Steel | ||||||||||
| 1/4", 5/16", 3/8", 25/64", 15/32", 1/2", 5/8", 3/4" | 1/4", 5/16", 25/64", and 15/32" Hole-Starting Bits; 3/8", 1/2", 5/8", and 3/4" Hole-Enlarging Bits | 8 | Spiral | Right Hand | Right Hand | Metal Case | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Inch | 00000000 | 0000000 |