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    Boring and Drilling
    1. Home
    2. Bits, Blades and Cutters
    3. Boring and Drilling
    Item # BLDSB1021 • Mfr # DSB1021

    Bosch 1-1/2 inch spade bit DSB1021

    Description

    Bosch 1-1/2 Inch Spade Bit For Fast Wood Boring

    Bosch 1-1/2 inch spade bit is a Bosch Daredevil spade bit designed for boring and drilling where a 1-1/2 inch diameter hole is required, so installers can match hole size to hardware or pipe runs with repeatable accuracy. This spade bit uses a spur and reamer design to produce cleaner holes, which helps reduce tear-out on the exit side and improves the fit of parts passing through the bore. A contoured paddle moves chips out of the hole more efficiently, so the bit advances with less resistance during deeper drilling. The full-cone threaded tip pulls the bit into the material, which reduces operator effort during repetitive drilling in standard woodworking applications. A hex shank with power groove is built to reduce slippage in the drill chuck, which supports more consistent power transfer during demanding boring work. The 6 inch overall length provides reach suitable for common framing and woodworking tasks.

    Key Spade Bit Details For Job Efficiency

    • The 1-1/2 inch diameter cutting head creates a consistent bore size, which helps align hardware, conduit, or other components that pass through the drilled hole on cabinetry or structural members.
    • The spur and reamer design produces cleaner holes, which reduces surface breakout and supports a neater appearance on visible wood faces where the bore will remain exposed after installation.
    • The contoured paddle shape moves chips away from the cutting edge more quickly, which allows the bit to stay engaged in the cut with less clogging during deeper boring operations in wood.
    • The full-cone threaded tip engages the material and draws the bit forward, which can speed drilling progress and reduce the physical effort required during repetitive boring tasks.
    • The hex shank with power groove is built to reduce slippage in standard drill chucks, which helps maintain positive drive and consistent torque transfer under load.
    • The 6 inch overall length reaches through typical lumber thicknesses, which lets installers complete through-holes from one side in many framing and woodworking setups.

    Spade Bit Setup And Drilling Performance Details

    This Bosch Daredevil spade bit belongs to the boring and drilling class of spade bits, so it is intended for use in standard drill drivers and similar rotary tools during wood drilling tasks. The hex shank with power groove is designed to seat firmly in compatible chucks, which supports a secure hold while the bit is advancing under the pull of the full-cone threaded tip. That full-cone threaded tip starts the cut and feeds the bit into the work, which can help the cutting edges of the spur and reamer stay properly engaged at the entry point. The contoured paddle continues to clear chips as the hole deepens, which supports steadier drilling speed and reduces the likelihood of chip binding in typical wood drilling depths.

    Using This Bosch Daredevil Spade Bit On Site

    Where This Bosch Spade Bit Works Best

    This Bosch 1-1/2 inch spade bit is part of the Bosch boring and drilling line, so it is well suited to wood applications that call for a 1-1/2 inch diameter bore such as openings in panels or structural members. The spade bit format, combined with a spur and reamer edge, is built for producing cleaner holes in wood, which benefits work where exposed faces need a more refined bore. Its 6 inch overall length lets installers drill through common stock thicknesses from one side, which helps when access to the opposite face is limited in cabinetry or framing conditions. The full-cone threaded tip engages quickly in the material, which can be especially useful when starting holes at marked locations on joists, studs, or sheet goods. The contoured paddle and chip flow support continuous boring in wood where multiple holes of the same size are needed across a run of cabinets or framing members.

    Details That Support Repeatable Boring Results

    The Bosch Daredevil spur and reamer design on this spade bit cuts the circumference of the hole as it bores, which promotes cleaner entry and exit edges that help parts seat more consistently when passing through the bore. The full-cone threaded tip keeps the bit centered as it advances, which supports straighter holes along the 6 inch length in typical drilling depths. The contoured paddle directs chips away from the cutting zone, which helps maintain cutting efficiency across repeated uses during a workday. A hex shank with power groove reduces slippage in standard drill chucks, which means the drive connection remains stable as the bit pulls itself through the wood. The 1-1/2 inch diameter is fixed by the cutting geometry, so every hole bored with this bit targets the same dimension, supporting layouts where multiple aligned openings must match across several components.

    Common Questions About Bosch DSB1021 Spade Bit

    What size hole does the Bosch DSB1021 spade bit drill?

    The Bosch DSB1021 spade bit drills a 1-1/2 inch diameter hole, which lets installers create consistent openings sized for components needing that specific bore.

    How does the spur and reamer edge affect the hole quality?

    The spur and reamer on this spade bit cut a cleaner edge around the hole, which helps reduce tear-out and supports a neater finish on visible wood surfaces.

    What is the benefit of the full-cone threaded tip on this bit?

    The full-cone threaded tip on the Bosch Daredevil spade bit pulls the bit into the wood, which reduces effort during drilling and helps maintain steady forward progress.

    Why does the contoured paddle matter during drilling?

    The contoured paddle on this spade bit moves chips out of the hole faster, which keeps the cutting area clearer and supports smoother drilling in deeper bores.

    How does the hex shank with power groove help during use?

    The hex shank with power groove is designed to reduce slippage in the drill chuck, which maintains a secure drive connection under load while the bit advances.

    What drilling reach does the 6 inch length provide?

    The 6 inch overall length of this Bosch spade bit offers reach for many through-hole tasks, which supports boring across common wood thicknesses from one side.

    Select This Bosch Bit For 1-1/2 Inch Bores

    The Bosch 1-1/2 inch spade bit with Daredevil design gives installers a fixed 1-1/2 inch bore size, which is useful when multiple matching openings are needed across a project. Spur and reamer cutting edges support cleaner holes, while the contoured paddle and full-cone threaded tip work together to keep drilling progress efficient. A hex shank with power groove helps the bit stay driven in the chuck as it advances, supporting steady boring performance. For wood drilling tasks that call for a 1-1/2 inch opening with practical chip clearing and pulling action, this Bosch DSB1021 spade bit is built to handle repeated use.

    Diameter (in)
    1-1/2 in
    Overall Length (in)
    6 in
    Shank Diameter (in)
    1/4 in
    Product Type
    Spade Bit
    Supplier Pack Size
    1
    Sold In
    5
    Diameter (in)
    1-1/2 in
    Overall Length (in)
    6 in
    Shank Diameter (in)
    1/4 in
    Product Type
    Spade Bit
    Supplier Pack Size
    1
    Sold In
    5
    1/4 in5/16 in1/2 in9/16 in5/8 in11/16 in7/8 in15/16 in1-1/8 in1-1/4 in1-1/2 in
    Bosch

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