6-Piece Flat Wood Spade Drill Bit Set (10, 12, 16, 18, 20 & 25 mm x 150 mm) - Hardened Steel Spade Bits for Electric Power Drills
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This 6-Piece Flat Wood Spade Drill Bit Set is engineered for high-speed bore cutting through wood, timber posts, particle board, and composite boards. Forged from heat-treated and hardened high-carbon steel, each bit features a precision-ground center spur point for accurate hole positioning and double side cutting spurs to clean hole edges as it drills. The set includes 6 essential metric diameters (10 mm, 12 mm, 16 mm, 18 mm, 20 mm, and 25 mm), each with a standardized 150 mm overall length for extended drilling reach through structural joists and studs. Equipped with universal shanks suitable for electric hand drills, bench drills, and drill drivers. Comes organized in a clear, protective clamshell blister pack.
Specifications Table
| Parameter | Technical Specification |
| Product Type |
Flat Wood Spade Drill Bit Set |
| Material |
Hardened & Tempered High-Carbon Steel |
| Bit Sizes Included |
10 mm, 12 mm, 16 mm, 18 mm, 20 mm, 25 mm |
| Total Length |
150 mm |
| Point Geometry |
Center Spur Lead Point with Dual Outer Cutting Blades |
| Quantity Per Set |
6 Pieces |
| Tool Compatibility |
Electric Power Drills, Cordless Drivers, Drill Presses |
| Target Substrates |
Hardwood, Softwood, Plywood, Fiberboard, Timber Joists |
| Packaging |
Sealed Clamshell Blister Pack |
Key Features & Standards
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Hardened Steel Construction: Heat-treated and tempered carbon steel ensures long blade life and edge sharpness during continuous timber drilling.
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Precision Center Spur: Ground point prevents bit walking or skidding, ensuring exact hole placement without requiring a pilot hole.
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Clean & Fast Boring: Dual side cutting spurs slice wood fibers cleanly around the perimeter, producing smooth entry and exit holes.
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Comprehensive 6-Piece Set: Covers standard wood boring sizes (10 mm to 25 mm) ideal for electrical cable routing, plumbing pipe pass-throughs, and carpentry joints.
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Extended 150 mm Length: Provides deep reach through thick wooden beams, joists, and framing studs.
⚠️ Safety Warning: Always wear ANSI-approved safety glasses and dust protection when drilling wood. High torque can cause drill kickback if the bit binds in timber; hold power tools firmly with both hands. Ensure workpieces are securely clamped prior to operation.