Crescent Spade Drill Bit CDSP-453 1-1/2 Inch Diameter Paddle Cutter (1/4 Hex Quick Change Shank Screw Point 4 Depth Wood Boring Impact Driver)

Crescent CDSP-453 1-1/2" x 4" Screw-Point Impact-Rated Paddle Spade Drill Bit

The Crescent CDSP-453 1-1/2-inch diameter by 4-inch drilling depth screw-point paddle spade drill bit bores large-diameter conduit and pipe pass-through holes across timber framing, engineered beams, and dimensional lumber. Engineered with a precision threaded screw point that pulls the cutter automatically into wood fibers, this high-speed boring accessory cuts up to 15 times faster than conventional flat paddle bits. Outfitted with reinforced nail-cutting side spurs, an engineered contoured paddle flute that ejects heavy wood shavings to stop hole clogging, an impact-rated torsion zone engineered to absorb peak rotary driver shocks, and a universal 1/4-inch quick-release hex shank, it equips residential electricians, plumbers, and rough framing carpenters with aggressive, jam-free hole-making efficiency.

Best Used For:

• Electrical Cable and Conduit Pass-Through Routing: Drilling clean 1-1/2-inch holes through wall studs and floor joists for multi-conductor Romex runs and rigid conduit.
• Plumbing Supply Line and Drain Rough-Ins: Boring clearance penetrations through structural lumber framing to install PEX supply lines and copper pipe runs.
• Heavy Wood Framing and Beam Penetrations: Rapidly drilling deep holes in solid Douglas fir, yellow pine, plywood sheathing, and OSB subfloors without motor stalling.

Key Performance & Safety Features

• Self-Feeding Threaded Screw Point: Guides and pulls the bit through tough framing timbers with minimal forward user feed pressure.
• 15x Faster Hole-Making Velocity: Triple-sharpened high-speed steel cutting edges slice wood fibers rapidly compared to standard flat spade profiles.
• Contoured Chip-Ejection Paddle: Curved flute geometry accelerates wood shaving extraction to prevent chip packing and hole binding.
• Nail-Tear Reinforced Spur Edges: Rugged cutting corners endure accidental nail strikes in remodeling applications without shearing teeth.
• Impact-Rated Torsion Shank: Engineered flex zone absorbs sudden torque spikes in high-power cordless impact drivers and drill-drivers.
• Universal 1/4-Inch Hex Interface: Locks securely into quick-release impact chucks and standard 3-jaw drill chucks to stop shank slippage.

What's Included

• (1) Crescent CDSP-453 1-1/2" x 4" Screw Point Paddle Spade Drill Bit

Technical Specifications

Manufacturer Brand Crescent (Apex Tool Group) Model Part Number CDSP-453 Bit Product Category Screw-Point Paddle Spade Drill Bit Hole Cutting Diameter 1.500 Inches (1-1/2 in. / 38.10 mm) Maximum Usable Drilling Depth 4.000 Inches (101.60 mm Usable Depth) Overall Bit Length 7.244 Inches (184.00 mm Total Length) Overall Bit Width & Height 1.890 in. Width x 0.394 in. Height Shank Drive Type 0.250 Inches (1/4 in. Quick-Change Hex Shank) Cutting Metallurgy Core Triple-Sharpened High-Speed Tool Steel Tip Point Configuration Self-Feeding Threaded Cone Screw Point Driver Tool Compatibility 1/4" Impact Drivers, Cordless Drills, & Right-Angle Drills Total Net Tool Weight 0.110 lbs (1.76 oz / 0.05 kg) Universal Product Code (UPC) 697099366881 Suitable for material type Dimensional Softwoods, Hardwood Studs, Plywood, & OSB

Pro-Tip: Allow the self-feeding threaded screw point to draw the paddle through the lumber under driver power without leaning your body weight into the drill; letting the bit cut at high rotational speed prevents blowout on the exit face.