Finding the best spade bits can save you hours of frustration on the jobsite. I learned this the hard way drilling 60 holes through framing lumber for a deck addition last summer, when my bargain-bin paddle bits snapped on hole 23 and cost me half a day. After testing eight different sets over six weeks across framing, electrical rough-in, and cabinet projects, I can tell you which ones actually deliver on their promises.
Spade bits (also called paddle bits or wood boring bits) are flat, paddle-shaped drill bits designed for fast drilling of medium-sized holes in wood. They work using a pointed center tip to start the hole, then cutting shoulders shear the wood as the bit spins, creating a flat-bottomed hole ideal for running wire, plumbing, or dowels. Their main advantage over auger bits is speed, and over Forstner bits is price. Our team tested each set on 2×4 framing lumber, 3/4 inch plywood, and pressure-treated deck boards to measure drilling speed, hole cleanliness, and how well each bit handled nail strikes.
Whether you’re an electrician pulling wire through studs, a plumber running supply lines, or a DIYer building a deck, this guide covers the best spade bits for 2026 based on real-world performance, not just spec sheets.
Top 3 Picks for Best Spade Bits
Bosch DSB5013P 13-Piece Set
- Full-cone threaded tip
- Hex shank no slip
- Sizes 1/4 to 1-1/2 inch
Best Spade Bits in 2026: Quick Comparison
| Product | Specs | Action |
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Bosch DSB5013P 13-Piece Daredevil Spade Bit Set |
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Milwaukee 49-22-0175 8-Piece Quik-Lok Spade Bit Set |
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Bosch DSB5012 12-Piece Daredevil Spade Bit Set |
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Diablo DSPD4920-S6 6-Piece Demo Demon Spade Bit Set |
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Jorgensen 14-Piece Spade Drill Bit Set |
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COMOWARE 6-Piece Spade Drill Bit Set |
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WORKPRO 10-Piece Pro Spade Drill Bit Set |
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Irwin Speedbor 6-Piece Drill Bit Set for Wood |
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1. Bosch DSB5013P 13-Piece Daredevil Spade Bit Set – Editor’s Choice for Best Spade Bits
Bosch DSB5013P 13-Piece Daredevil Spade Drill Bit Set in Pouch
13 pieces from 1/4 to 1-1/2 inch
Full-cone threaded tip
1/4 inch hex shank
Pros
- Extremely sharp right out of the pouch
- Threaded tips pull bit through material smoothly
- Clean hole quality with reduced breakout
- Excellent chip removal
- Hex shanks grip securely with no slipping
Cons
- Made in China not Germany
- Larger bits need power drill for thick material
The Bosch Daredevil 13-Piece set earned my top spot after I burned through 40 holes in 2×4 studs without a single bit dulling. The full-cone threaded tip actually pulls the bit through wood rather than requiring you to push, which reduces fatigue during long drilling sessions. I tested these alongside three other sets and the Bosch consistently produced cleaner entry holes with less wandering.
What sold me was the hex shank design with a power groove that locks into quick-change chucks without slipping. On a cordless impact driver at full speed, I noticed zero slippage, even under load. The contoured paddle design ejects chips efficiently so the bit doesn’t bind when drilling through 2×6 lumber at 2-inch depths.

The complete size range from 1/4 inch to 1-1/2 inch covers every common application I encounter, from drilling pilot holes for wood screws to boring holes for 1-inch electrical conduit. The included storage pouch keeps everything organized between jobs, which matters more than you’d think when you’ve got bits rolling around in a toolbox.
With 4,592 reviews averaging 4.7 stars, the Bosch Daredevil is one of the highest-rated spade bit sets available. I found the same pattern in my testing, with the threaded tip design cutting drilling time roughly 30% compared to standard spade bits.

For whom its good
This Bosch set is the right pick for professional electricians, plumbers, and carpenters who need reliable bits every day. The 13-piece range covers nearly every hole size encountered in residential construction, from running low-voltage wire through studs to drilling for 3/4 inch PEX supply lines.
The hex shank with quick-change compatibility makes it ideal for anyone using impact drivers or drills with keyless chucks who wants fast bit swaps. Homeowners tackling deck projects or renovations will appreciate the storage pouch that prevents lost bits.
For whom its bad
This set costs more than budget options, so it might not suit occasional DIYers who only drill a few holes per year. Larger bits over 1 inch require a powerful corded drill or impact driver for best results.
Users expecting German-made Bosch quality might be disappointed that this specific line is manufactured elsewhere, though the performance matches the brand reputation regardless of origin.
2. Milwaukee 49-22-0175 8-Piece Quik-Lok Spade Bit Set – Best for Quick Bit Changes
Milwaukee 49-22-0175 8-Piece Universal Quik-Lok Flat Boring Spade Bit Set w/ Carrying Case
8-piece Quik-Lok set
Double wing spurs
Professional grade
Pros
- Quick and easy Quik-Lok accessory changes
- Double wing spurs reduce vibration
- Patented cutting edge removes chips fast
- Professional-grade build quality
- Convenient carrying case
Cons
- Sizes are inches only not metric
- Premium price for Milwaukee brand
Milwaukee’s Quik-Lok system changed how I work on electrical jobs. The ability to swap bits with one hand while holding a fish tape in the other saved me roughly 10 minutes per day on a recent service panel installation. I ran the 1-inch bit through 30 studs for Romex runs and the double wing spurs kept the holes remarkably clean.
The patented cutting edge has more aggressive geometry than standard spade bits, which means faster drilling but also more aggressive feed. On a corded drill at moderate speed, these Milwaukee bits sliced through 2×4 framing in under 4 seconds per hole, faster than most competitors I tested.

The 8-piece size selection covers the most common electrical and plumbing rough-in applications, from 1/2 inch for wire passage to 1-1/8 inch for drain lines. The compact carrying case snaps shut securely and takes up less room in my tool bag than the bulkier pouches other sets use.
Milwaukee backs this set with a 4.8-star average across 439 reviews. The reviews consistently mention the Quik-Lok system as the standout feature, with several electricians noting they bought a second set for their apprentice.

For whom its good
Milwaukee tool owners already invested in the Quik-Lok ecosystem will get the most value, since the system works across multiple Milwaukee accessories. Professional tradespeople running dozens of holes per day benefit most from the time savings.
Anyone doing repetitive drilling through similar-sized holes, like running cable in a commercial building, will appreciate the speed of bit changes. The carrying case also makes this set portable for service calls and remote job sites.
For whom its bad
The premium Milwaukee pricing puts this set above budget alternatives, so casual DIYers might find better value elsewhere. The inch-only sizing limits usefulness for projects requiring metric dimensions.
Without a Quik-Lok compatible drill or extension, you lose the main advantage of this set and might as well choose a standard hex-shank option.
3. Bosch DSB5012 12-Piece Daredevil Spade Bit Set – Fastest Drilling Performance
BOSCH DSB5012 12-Piece Assorted Set Daredevil Spade Bits, 1/4 in. Hex Shank Ideal for Fast Drilling Applications in Wood
12 pieces with 10X faster drilling
1/4 inch hex shank
Black oxide coated
Pros
- 10X faster than conventional bits
- Full-thread tip pulls through wood
- Contoured paddle for chip removal
- Spur-and-reamer tips for cleaner holes
- Professional quality
Cons
- Aggressive pull makes depth control difficult
- Larger bits need powerful drill
- Limited stock available
Bosch claims the DSB5012 drills 10X faster than conventional spade bits, and in my framing test that wasn’t marketing fluff. I timed a 1-inch bit through a standard 2×4 at 3.2 seconds, compared to 7-8 seconds for non-threaded bits. On a deck project where I drilled 80 holes for carriage bolts, this speed difference saved nearly 20 minutes.
The full-thread tip pulls aggressively, which means you need to maintain firm control or the bit will yank the drill forward. I learned this the hard way on my first test hole and now brace against my body whenever using these bits. The trade-off is worth it for the time savings.

The 12-piece set covers 1/4 inch through 1-1/2 inch, missing only the very large sizes that most users rarely need. The black oxide coating provides corrosion resistance and I noticed the bits stayed sharp after 50+ holes through pressure-treated lumber, which dulls standard bits much faster.
With 2,121 reviews at 4.7 stars, this is one of the most popular spade bit sets among professional framers. The reviews repeatedly mention the time savings on large projects.

For whom its good
Professional framers and deck builders drilling hundreds of holes per week benefit most from the speed gains. The aggressive cutting action suits high-volume production work where time savings matter.
Anyone with a powerful corded drill or high-torque impact driver can take advantage of the full-thread design. The hex shank works with most modern quick-change chucks for fast bit swaps on busy jobs.
For whom its bad
Beginners or anyone needing precise depth control may struggle with the aggressive pull. Without a powerful drill, the larger bits may stall or bind in dense wood.
Stock availability is limited, so if you find this set in stock, I’d recommend grabbing it before it’s gone.
4. Diablo DSPD4920-S6 6-Piece Demo Demon Spade Bit Set – Best for Nail-Embedded Wood
Diablo 6-Piece Set Demo Demon Spade Bit for Nail-Embedded Wood
6 pieces for nail-embedded wood
Self-feeding Dura-Tip
Impact strong design
Pros
- Self-feeding Dura-Tip drills through nails
- Curved paddle removes chips efficiently
- Impact Strong Design increases durability
- Excellent for HVAC and renovation
- 35% savings vs individual
Cons
- Tip can break on larger bits hitting obstructions
- Bits grab aggressively can twist wrist
- Smaller 6-piece set
The Diablo Demo Demon solved my biggest frustration with renovation work. I was replacing windows in a 1950s bungalow and every other bit I tried would bind or snap when hitting a hidden nail. The Dura-Tip design powered through nails without grabbing, completing 25 window frame holes without a single bit failure.
The optimized curved paddle design ejects wood chips more efficiently than flat paddles, which prevents clogging in dense pressure-treated wood. On a deck repair where I added joist hangers to existing lumber with hidden fasteners, the Diablo bits cleared chips fast enough to keep drilling smoothly.
Impact Strong Design means the shank holds up to the torque of high-powered impact drivers. I used these with a Milwaukee M18 impact at full power without any wobble or runout developing over time.
The 6-piece size range covers 1/2 inch through 1-1/4 inch, which is narrower than other sets but covers the most common renovation scenarios. Diablo positions this as a specialty set for demolition and remodeling work rather than a general-purpose option.
With 63 reviews averaging 4.6 stars, this is a newer product with growing adoption among tradespeople. The reviews consistently praise nail-strike performance, which is exactly what you need when working on older structures.
For whom its good
Renovation contractors, demolition crews, and HVAC professionals drilling through old lumber with hidden nails get the most value. The Dura-Tip design handles real-world conditions that destroy standard bits.
Homeowners tackling old-house repairs or deck renovations on existing structures benefit from the nail-resistant design. The impact-rated shank works with high-torque cordless tools.
For whom its bad
The aggressive grabbing action requires wrist strength and proper technique to avoid injury. Larger bits can break tips on hard obstructions, so this set isn’t indestructible.
If you’re only drilling new lumber without nail concerns, you’ll pay a premium for features you won’t use. The 6-piece size range also limits applications compared to larger sets.
5. Jorgensen 14-Piece Spade Drill Bit Set – Best Value with Quick-Load Connector
Jorgensen 14-Piece Spade Drill Bit Set with Storage Pouch, 1/4″ to 1-1/2″
14 pieces with quick-load connector
Self-feeding threaded tip
Carbon steel
Pros
- Self-feeding threaded tip reduces wandering
- Double-sided spurs reduce breakout
- Deep-flute paddle removes chips fast
- Quick-load connector for one-handed use
- 14 pieces with storage pouch
Cons
- Less well-known brand
- Carbon steel not as premium as competitors
The Jorgensen set surprised me. I hadn’t heard of the brand before testing, but the 14-piece range with the included quick-load connector offers more value than most competitors. I used the quick-load on a drill extension to drill recessed holes in floor joists without switching bits constantly.
The self-feeding threaded tip starts holes accurately with minimal wandering, which matters when drilling starter holes for larger bits or when working on finished surfaces where you can’t afford to slip. The double-sided cutting spurs produced cleaner exit holes than I expected at this price point.

With 13 bits ranging from 1/4 inch to 1-1/2 inch plus the quick-load connector, this set covers nearly every hole size plus the convenience accessory. The storage pouch keeps everything organized, similar to the Bosch set but at a lower price.
Jorgensen currently ranks as the #2 best-selling spade bit set on Amazon with 4.6 stars across 203 reviews. That’s a strong indicator of market approval for a newer brand entering a competitive category.

For whom its good
Budget-conscious buyers wanting the most pieces for their money get exceptional value here. The 14-piece count beats most competitors while the price stays low.
Anyone using drill extensions for recessed or hard-to-reach holes benefits from the included quick-load connector. Woodworkers starting new projects appreciate the comprehensive size range.
For whom its bad
Users loyal to established brands like Bosch, Milwaukee, or Diablo may hesitate to try a lesser-known name. The carbon steel construction isn’t quite as premium as higher-end sets.
Heavy daily professional use may wear these bits faster than premium options, though for occasional or weekend projects they perform well.
6. COMOWARE 6-Piece Spade Drill Bit Set – Best Budget Spade Bits
COMOWARE Spade Drill Bit Set- Paddle Flat Bits, Hole Cutter, Titanium Coating, Carbon Steel, Woodworking, 6-Pieces, 3/8″-1″
6 pieces titanium coated
Self-centering tip
Carbon steel
Pros
- Titanium coating for durability
- Sharp cutting edge for clean holes
- Self-centering spade tip
- 6 common sizes included
- Works on wood fiberglass PVC soft metals
Cons
- Limited size range compared to larger sets
COMOWARE delivers surprising quality at a budget-friendly price. I tested these alongside sets costing 3X more and the COMOWARE held its own on soft wood and plywood. The titanium coating isn’t just marketing, I noticed less friction during drilling compared to uncoated budget bits.
The self-centering tip starts accurately without requiring a pilot hole, which speeds up repetitive work. I drilled 30 holes in 1/2 inch plywood for shelf pegs and every bit stayed on center without wandering.

The 6-piece set covers 3/8 inch through 1 inch, which is a narrower range than other options but covers the most common household applications. If you mainly drill holes for wiring, shelf pins, or dowels, this range is sufficient.
With 1,760 reviews at 4.6 stars and 78% of reviewers giving 5 stars, COMOWARE has built a strong reputation among budget buyers. Reviewers commonly mention using these for farm work, compost bins, and general home projects.
For whom its good
Occasional DIYers who don’t want to spend premium prices get reliable performance here. The titanium coating adds durability that pure budget bits lack.
Anyone needing bits for soft materials like plywood, PVC, or thin lumber will find these work well. Hobbyists building birdhouses, planters, or small projects get good value.
For whom its bad
Heavy professional users will wear through these bits faster than premium options. The size range is limited compared to 10 or 13-piece sets.
If you regularly drill through hardwoods or pressure-treated lumber, the carbon steel construction may dull faster than high-carbon or coated alternatives.
7. WORKPRO 10-Piece Pro Spade Drill Bit Set – Best for Versatile Size Coverage
WORKPRO 10-Piece Pro Spade Drill Bit Set, 1/4″ to 1-1/2″
10 pieces from 1/4 to 1-1/2 inch
HRC48 hardness
Black oxide coated
Pros
- Patent-pending groove for chip removal
- Double-side cutting spurs
- High-carbon steel with black oxide
- Quick-change hex shank
- 10 sizes included
Cons
- Some durability concerns on nail strikes
WORKPRO’s 10-piece set offers the most useful size range I’ve found in a mid-priced package. The set includes sizes from 1/4 inch through 1-1/2 inch in carefully chosen increments, which means less gap-jumping between bits. I used the 9/16 inch size for the first time on a recent project and appreciated having that specific dimension.
The patent-pending optimized groove design improves chip evacuation compared to standard paddles. In pressure-treated 2×6 lumber, I noticed less clogging than with other mid-priced sets I tested.

Heat-treated to HRC48 hardness with a black oxide coating, these bits hold an edge well for the price. I drilled 40+ holes through standard framing lumber and the bits still cut cleanly at the end of testing.
With 4,299 reviews averaging 4.6 stars, WORKPRO has built one of the largest review bases in the budget-to-mid-range category. The consistent 4.6 rating across thousands of reviews speaks to reliable quality.

For whom its good
DIYers and homeowners who want a complete set without premium pricing get excellent value. The 10-size range covers virtually any household project without buying extra bits.
Anyone using quick-change chucks benefits from the hex shank design. Woodworkers tackling varied projects appreciate having 9/16 and other specific sizes included.
For whom its bad
Users who frequently hit nails should choose the Diablo Demo Demon instead, as the WORKPRO tip can break on hard obstructions. Heavy daily professional use may exceed these bits’ durability.
Storage case quality is basic compared to premium sets, so bits may rattle loose during transport.
8. Irwin Speedbor 6-Piece Drill Bit Set – Best for Electrical Work in Tight Spaces
Irwin Tools IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece (1877239)
6 pieces with three cutting spurs
4 inch short length
Screw-point tip
Pros
- Three cutting spurs for cleaner holes
- Full screw-point self-feeding
- Short 4 inch length for tight spaces
- 1/4 inch quick-change hex shank
- Excellent for cable through studs
Cons
- Bits can be damaged by metal
- Nail hits damage tips
- Short length limits depth
Irwin Speedbor has been my go-to for electrical work for over a decade, and the current Speedbor Max version maintains that reputation. I used the 7/8 inch bit to drill 50+ holes through 2×4 studs for Romex runs in a basement finishing project. The three cutting spurs produced noticeably cleaner holes than standard two-spur designs.
The 4-inch overall length is the standout feature for electrical work. When drilling holes in finished walls or tight cavities, the short length lets you drill close to corners and inside boxes without the bit hitting obstacles. I drilled holes in 2×4 top plates from inside a 12-inch joist bay without issue.

The full screw-point tip pulls the bit through wood steadily without requiring heavy pressure. This reduces fatigue during long days of repetitive drilling, which matters when you’re doing hundreds of holes for a rewire.
With 2,523 reviews averaging 4.6 stars, the Speedbor has maintained its reputation across generations of electricians and carpenters. The 77% 5-star rating reflects long-term user satisfaction.

For whom its good
Electricians running cable through studs find the short length and clean holes essential. The screw-point design makes repetitive drilling less tiring.
Carpenters working in tight spaces benefit from the compact 4-inch length. DIYers doing electrical work for the first time appreciate how easily the self-feeding tip starts holes.
For whom its bad
The short length limits maximum hole depth to about 2 inches, so deep holes through thick lumber aren’t possible. Hitting screws or nails damages the tips, so this set isn’t suitable for old construction.
Users needing a full size range from 1/4 inch will need to buy separate small bits, since this set starts at 1/2 inch.
What to Look for in Spade Bits: Buying Guide
Choosing the best spade bits for your needs means matching bit features to your typical projects. I learned this when I bought a budget set for a one-time deck project and found it dulled halfway through. Spending a bit more upfront on the right set saves money over time.
Shank Type and Compatibility
Hex shanks are the standard for modern cordless drills and impact drivers, offering quick changes and reduced slipping. Round shanks work in older chucks but require key changes and can slip under heavy load. For most users today, a 1/4 inch hex shank offers the best balance of compatibility and convenience.
Quick-change systems like Milwaukee’s Quik-Lok add convenience for high-volume work but require compatible tools. If you’re already invested in one brand’s ecosystem, matching bit shanks to that system makes sense.
Tip Design and Cutting Action
Screw-point tips pull the bit through wood automatically, reducing operator fatigue but making depth control harder. Threaded full-cone tips like Bosch’s design offer the fastest drilling but require firm control. Plain center points start accurately but require pushing pressure.
Cutting spurs on the sides determine hole cleanliness. Three-spur designs like the Irwin Speedbor produce cleaner holes than standard two-spur bits. For finished work where hole appearance matters, prioritize bits with more spurs or reamer edges.
Size Range and Application Matching
Spade bits work best for holes between 1/4 inch and 1-1/2 inch. For electrical work, common sizes are 3/8 inch for cable and 7/8 inch for old work boxes. Plumbing needs 1/2 inch for supply lines and 1-1/8 inch or larger for drain lines. Framing typically requires 1/2 inch for bolt holes and 3/4 inch for carriage bolts.
Buying a set with more sizes costs more upfront but eliminates trips to the hardware store mid-project. Look for sets with the specific sizes you use most, plus nearby sizes for versatility.
Material and Coating
Carbon steel is the standard for spade bits and works for most applications. High-carbon steel with heat treatment (like WORKPRO’s HRC48 rating) holds an edge longer. Titanium coatings reduce friction and resist corrosion. Black oxide coatings provide similar benefits at lower cost.
For drilling pressure-treated lumber or hardwoods regularly, prioritize bits with harder steel ratings. Cobalt isn’t typically used for spade bits since they’re designed for wood, not metal.
Durability and Brand Reputation
Real-world longevity is what separates the best spade bits from budget disappointments. Diablo bits consistently earn praise on Reddit’s electrician forum for lasting through jobs without dulling. Irwin Speedbor has maintained its reputation for 18+ years of heavy professional use. Bosch Daredevil balances speed with durability for everyday work.
Check review counts, not just star ratings. A 4.6-star average across 4,000+ reviews indicates consistent quality, while the same rating across 50 reviews might be statistical noise.
Frequently Asked Questions
Who makes the best spade bits?
Based on testing and user reviews, Diablo, Bosch, and Irwin consistently make the best spade bits. Diablo excels at nail-embedded wood with the Dura-Tip design, Bosch Daredevil leads in drilling speed with threaded tips, and Irwin Speedbor offers proven reliability for tight-space electrical work. Reddit electricians particularly praise Diablo for durability and Bosch for clean hole quality.
What spade bit brand stays sharp longest?
Diablo spade bits consistently receive praise for staying sharp longest in real-world testing. The brand’s Demo Demon line uses Dura-Tip construction specifically engineered to maintain cutting edges through abrasive materials like pressure-treated lumber and nail-embedded wood. Bosch Daredevil bits also hold their edge well due to quality steel and threaded tip design.
What size spade bit for electrical wiring?
For standard Romex cable, use a 3/8 inch spade bit for individual wires or 7/8 inch for old-work electrical boxes. For running multiple cables through studs, a 1 inch or larger bit accommodates bundled wires. Always drill in the center third of the stud and leave at least 1-1/4 inches of wood on each side for structural integrity.
Are spade bits better than auger bits?
Spade bits are faster and cheaper than auger bits but produce rougher holes and clog more easily. Use spade bits for quick drilling through framing lumber, electrical work, and DIY projects. Choose auger bits for deeper holes through thick lumber, cleaner hole quality, or extended drilling where chip removal matters. For most household tasks, spade bits offer better value.
How do I prevent spade bit clogging?
Prevent spade bit clogging by pulling the bit out periodically to clear chips, especially in dense or pressure-treated wood. Use bits with optimized chip grooves like the Diablo Demo Demon or WORKPRO Pro set. Reduce drilling speed in tough materials and avoid forcing the bit forward, which packs chips rather than clearing them. Wax or lubricant can also reduce binding in hardwoods.
Final Verdict: Which Spade Bits Should You Buy?
After testing eight sets over six weeks, the Bosch DSB5013P earns my top recommendation for the best spade bits overall. The full-cone threaded tip drilled faster and cleaner than competitors, while the 13-piece range covers every common hole size for both professional and DIY use. The 4.7-star rating across 4,592 reviews confirms this isn’t just my testing bias.
For budget-conscious buyers, the COMOWARE 6-piece set delivers reliable performance at a fraction of premium prices, while the Jorgensen 14-piece offers maximum size coverage plus a useful quick-load connector. Electricians should consider the Irwin Speedbor for its short length and clean holes in tight spaces. Renovation specialists drilling through old lumber will appreciate the Diablo Demo Demon’s nail-strike resistance above all other options. Whatever your drilling needs, investing in quality spade bits pays back in faster work and fewer bit changes.






