The DeWalt DT4778-QZ EXTREME® impact hex flat wood drill bit is designed for professional wood drilling applications. Its full-length, heat-treated steel shank provides maximum durability against bending and breaking, while high-performance cutting spurs ensure clean and precise hole finishes.
The Extreme Speed Channel enables rapid chip removal, improving efficiency and reducing clogging. A 1/4″ hex shank prevents slippage and fits all quick-change systems, while the integrated hang hole allows convenient storage and wire pulling.
With extra-thick steel construction, this bit offers outstanding durability and reliability for demanding woodworking tasks.
TECHNICAL DETAILS:
| Specification | Details |
| Brand | DeWalt |
| Model | DT4778-QZ |
| Type of Product | Impact Hex Flat Wood Drill Bit (Spade Bit) |
| Diameter | 40 mm |
| Length | 152 mm (bit), 21 cm overall packaging length |
| Shank/Connection | 1/4″ Hex |
| Application Material | Wood (hardwood, softwood, lumber, wood with nails) |
| Wood Drilling Type | Spade Bit |
| Product Pack Quantity | 1 |
| Material | Steel |
| Product Height | 2 cm |
| Product Width | 5.5 cm |
| Product Weight | 0.088 kg |
| Color | Black |
| CE Mark | No |
| Packaging | Blister |
| Additional Features | Quick-change shank, bevelled pilot drill, hang hole for storage/wire pulling, extra-thick steel shank for durability |
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