3599 Reviews Scanned
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#TOP 1
Irwin Industrial Tools 3046013 3 Cutter Cover
Irwin Tools
|
8.8 ounces
|
7.1 x 3.75 x 2 inches
|
Pack of 1

Best self feed bit I've ever used. I use it to drill through 2x16 joists and it is amazingly fast. As other reviewers have stated do not use this with a drill that doesn't have a clutch. I use it with the Dewalt version of the 'hole-hawg' which is DW124K.

That monster has enough mass and grip to allow me to hold it steady while drilling. The only time it has hurt me was drilling through a small piece of 2x4 which slipped and hit my leg (to prevent this first screw the smaller boards to larger pieces that will hold the small piece still while you drill).

Never had a problem on joists which is what this is made for. I'm fairly certain I've even drilled though screws and nails and mine still keeps going.

Seller Name Price Condition Positive
JBTools $39.93 New 92%
Amazon Official $39.99 New Official
ESL Supply $41.99 New 68%
Samis shop $46.46 New 95%
Southfork Homecenter $46.59 New 84%
Empire Rigging & Supply $46.85 New 80%
PlumberStock $47.46 New 78%
East Coast Hardware $43.12 New 70%
OJCommerce $50.84 New 63%
Acme Tools $40.99 New 87%

Features

This is highly durable
This are easy to use
This is manufactured in China
#TOP 2
Dewalt Dw1640 3 Inch 16 Inch Selfeed Cover
DEWALT
|
1 pounds
|
6.25 x 3.56 x 3.43 inches
|
3"

Super aggresive bit. Do a lot of wood working and bought this specifically for a project at work with exterior plywood. Bites into wood and tears through it. Biggest issue was having a drill strong enough to power through the cut.

Would have no issue boring through stud grade lumber all day other than holding on.VERY aggresive bit.

Seller Name Price Condition Positive
MHS Inc $45 New 92%
Amazon Official $65.47 New Official

Features

Optimized cutting geometry provides longer bit life
Aggressive spur provides fast material penetraion
Open tooth design allows for more resharpenings
7/16-inch ball groove shank for quick change applications
7/16" Ball groove shank for quick change applications
#TOP 3
Eagle Tool Etd75072 Auger Included Cover
Eagle Tool
|
1.8 pounds
|
72 x 0.75 x 0.75 inches
|
72 INCHES

I am very happy with this product and recommend it to anyone boring under sidewalks. I use it to run drip irrigation tubing and small PVC. I would not be as successful with it if I weren't using it with my Klein Flex Bit Placement Tool.

Used together, you can avoid digging a long trench out beside your sidewalk and keep your bit headed just where you want it, which is just under the concrete, not angled down deeper and deeper. I would love to see it offered in a 1 inch or 1 1/4 inch as well.

Seller Name Price Condition Positive
B LINE SUPPLY $56.87 New 87%

Features

Item Package Dimension: 78.0" L x 2.0" W x 2.0" H
Custom heat treated drill designed for organic material
Model Number: ETD75072
Item Package Weight: 1.56 lb
#TOP 4
Snappy Self Centering Drill Bit Guide Cover
Make it Snappy
|
0.352 ounces
|
1.95 x 5.9 x 0.6 inches
|
Steel

The Snappy Self-Centering 5/64" Drill Bit Guidemakes it extremely easy to start a hole in ametal pipe exactly where you want it - a jobwhich normally is difficult, and often resultsin a hole where you don't want it. This productis well designed and a pleasure to use.

Seller Name Price Condition Positive
Junipers' $10.84 New 88%
Tapper's $10.95 New 97%
Make it Snappy Tools, Inc. $10.99 New 88%
MaxWarehouse $11.49 New 89%
Prime Tools $11.52 New 99%
Bowers Tool LLC $11.67 New 95%
Life and Home $14.76 New 88%
Woodcraft $10.99 New 91%
BIG TOOL STORE $10.99 New 100%
Peachtree Woodworking Supply Inc $10.49 New 99%

Features

Drills accurate holes for hinges, handles, drawer slides, and more
5/64" quick-change hinge bit for #2 through #4 screws
Standard hex shank fits all power bit and quick-change chucks
Spring-loaded guide with openings to eject chips
Self-centering using the chamfered nose to align with hole in hardware
#TOP 5
Dewalt Dw1634 2 Inch 16 Inch Selfeed Cover
DEWALT
|
8 ounces
|
6.06 x 2.31 x 2.31 inches
|
1-1/2"

This bit chews right through joists. I used it to make about 100 holes through some dense old 2" thick pine joists and it ate through them like a champ.No complaints.

Seller Name Price Condition Positive
MHS Inc $23.99 New 92%
Amazon Official $25.24 New Official
PartzStop $25.24 New 91%
ISS Inc $47.22 New 91%
Tools and More Parts $12.5 Used - Like New 95%

Features

Optimized cutting geometry provides longer bit life
Aggressive spur provides fast material penetraion
Open tooth design allows for more resharpenings
7/16-inch Ball groove shank for quick change applications
7/16" Ball groove shank for quick change applications
#TOP 6
Milwaukee 48 25 5140 8 Inch Switchblade Selfeed Cover
Milwaukee
|
12.6 ounces
|
7.87 x 4.33 x 4.33 inches
|
2-1/8-Inch

I've been using these large self feed bits for years and I must say that these are pretty good. They feel a little softer than there predecessors. But being able to replace the parts of this bit that come into contact with the wood is awesome.

You can replace the cutting blades , the center auger/feed screw and the allen bolts. Helpful tip* Buy this 2 1/8 " bit if you don't specifically need the 2 1/4" bit. The replacement blades are available in a ten pack for the 2 1/8" but only singles ( so far ) for the 2 1/4" bits.

Much cheaperr if you use them a lot ( like drilling holes for smurf tube in new house during pre-wires.

Seller Name Price Condition Positive
Stellar Supply $35.97 New 98%
Kitchen Dazzle L.L.C $41.29 New 64%
MeetzUrNeedz $41.29 New 67%
Veterans Sell $41.29 New 72%
Bubblysuz $41.29 New 64%
Art's Stores Inc. $41.29 New 65%
SHOPOZ $41.75 New 82%
All Access Shop $41.76 New 92%
Hardware & Garden Supplies $44.38 New 89%
Grasshopper 23 $38.88 Used - Like New 89%

Features

Replacement blades made with hardened steel increases bit life
Aggressive feed screw design allows the bit to pull through the wood faster, resulting in faster drilling
Size and model number engraved on each bit
Milwaukee 48-25-5140 2-1/8in Switchblade Selfie Bits come with: 2-1/8in Switchblade Selfie Bit, 2 replaceable blades, 2 Feed Screws, 2 Set Screws, and One (1) Hex Wrench
Milwaukee 48-25-5140 2-1/8in Switchblade Selfeed Bits come with: 2-1/8in Switchblade Selfeed Bit, 2 replaceable blades, 2 Feed Screws, 2 Set Screws, and One (1) Hex Wrench
Aggressive feed screw design allows the bit to to pull through the wood faster, resulting in faster drilling
#TOP 7
Milwaukee 48 25 5120 8 Inch Switchblade Selfeed Cover
Milwaukee
|
7.2 ounces
|
1-3/8-Inch
|
Steel

The best large hole wood auger bit I have ever owned. Chewed through heavy treated lumber like butter. Recommend use only with HD low rpm high torque 1/2 or 5/8 drill motor with Aux handleto better control the feed rate of this aggressive auger bit.

This bit will quickly overheat and overload all but the heaviest duty cordless drills. In summary: if you need to bore accurate round 3 holes rapidly with absolutely clean surface this Milwaukee auger bit will exceed your expectations. Note: hang on tight because it feeds into material quickly, and make sure you tighten the pilot center set screw very tightly with supplied wrench so it does not detach in your bored hole when backing bit out of a blind hole.

Seller Name Price Condition Positive
Florida Tools & Hardware Sales $36.45 New 97%
Capital Supply $36.45 New 96%
Room Store $36.45 New 77%
E-Happy :) $31.99 New 82%
Aserson $37.69 New 96%
Samis shop $38.06 New 95%
SHOPOZ $39.98 New 82%
BARG-N-BINZ $39.99 New 72%
Kitchen Dazzle L.L.C $40.77 New 64%
DogtoothGreen $30.57 Used - Like New 98%

Features

Made in USA or Imported
Na
Size and model number engraved on each bit
Replacement blades made with hardened steel increases bit life
Milwaukee 48-25-5120 1-3/8in Switchblade Selfeed Bits come with: 1-3/8in Switchblade Selfeed Bit, 2 replaceable blades, 2 Feed Screws, 2 Set Screws, and One (1) Hex Wrench
Aggressive feed screw design allows the bit to to pull through the wood faster, resulting in faster drilling
Aggressive feed screw design allows the bit to pull through the wood faster, resulting in faster drilling
#TOP 8
Irwin Speedbor Drilling 10 Piece 1801022 Cover
Irwin Tools
|
2.6 pounds
|
1.75 x 17.5 x 11.19 inches
|
10 Piece

Primary use of this set is not construction but rather an alternative to forstner drill bits it sizes from 1/2 " up to 1 3/8". I did try to use it on construction size lumber like 2x4. The bit pulls thru 2" side literally in seconds leaving relatively clean hole an not much splintering on the exit side.

To test this for splintering the work piece i have intentionally used a 7/16 " bit in thin particleboard. I the piece immediately cracked. Then I tried to pre-drill a pilot hole, the size of screw tip, before using Speedbor Max bit.

Under this condition the bit cut very nice hole without any tendency to split the piece apart. The hole was very clean with sharp edges and did not require a lot of force to push the bit into the board.

There are at least few issues however:1. Number of reviews indicated that the stem of the bit has twisted with use. This is definitely a big concern for me because I will not be able to use the bit for precision work if it twists out of allignment.

Seller Name Price Condition Positive
Hua Mei $69.99 New 98%
✅ HomePlumbing ✅ $73.98 New 87%
Bargain Brokers Direct $73.99 New 90%
WOW MART $79.94 New 82%

Features

Full screw-point tip allows bit to self-feed for ease of drilling
Wood drill bit set includes bits with three cutting spurs for faster, cleaner holes, less breakout, and extended drilling life
Tapered tri-flute design for faster chip ejection and less binding.
1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
#TOP 9
Pc Self Centering Plug Cutter Set Cover
Rockler
|
1.06 pounds
|
1 x 1 x 1 inches
|
Steel

I have used the plug cutters several times. They bore flawlessly, but be careful not to bear down too hard with the drill press, especially when using hardwood. The resulting plug will burn, which becomes a problem regardless of your application.

The "small issue" is that I had not anticipated that the plug would be slightly conical and, for my application, created a more involved extraction from the bored blank. The resulting plug tapers from the tip to the base of the cutter, the largest diameter [of course] being at the tip, which is at the deepest penetration of the cutter into the blank.

I also assumed [prior to purchase] that the diameter at the tip of the cutter would be the identical with diameter of the hole I drilled in my application [both the cutter and the forstner bit I used are manufactured by Rockler].It was not.

Seller Name Price Condition Positive
Rockler Woodworking and Hardware $29.99 New 86%
Sunroofguywi $39.95 New 98%

Features

1/4'' quick shank prevents tool from slipping
Includes 5/16'', 3/8'' and 7/16'' cutters
Works with 3/8'' and 1/2'' drive drill presses and handheld drills
Hardened steel for long life
Comes in handy plastic storage case
#TOP 10
Irwin Industrial Tools 3046011 3 Cutter Cover
Irwin Tools
|
9.9 ounces
|
8 x 4 x 3 inches
|
Pack of 1

Bought this as a Warehouse Deal. Only noticeable reason for a discount was some ruffled packaging. Bit comes with a replacement center screw. Easy and quick drilling in 2x material. Better control than I expected. Did run into one nail that I might have been able to drill through with a little more effort, but decided not to risk it.

The nail was reduced by half without damage to the bit, and after extracting the nail continued to drill without a problem. Cutting edges are pronounced enough that even if some damage had been realized it could have been remedied with an abrasive wheel on a Dremel.

I don't think the cutting edges could be effectively sharpened using a file since the room available to run a file at the correct angle is limited. A little pricey for my budget, but this is for a DWV project where the time saved compared with using a regular plug hole cutter justified the expense.

Seller Name Price Condition Positive
ESL Supply $32.78 New 68%
JBTools $33.22 New 92%
Amazon Official $33.28 New Official
Hardware & Garden Supplies $41.03 New 89%
Samis shop $41.04 New 95%
Lighting Sales LLC $41.34 New 90%
Empire Rigging & Supply $41.78 New 80%
PlumberStock $41.96 New 78%
OJCommerce $45.18 New 63%
Hugo's Online $47.5 New 79%

Features

This is highly durable
This are easy to use
This is manufactured in China
#TOP 11
Dewalt Dw1637 8 Inch 16 Inch Selfeed Cover
DEWALT
|
10.4 ounces
|
6.06 x 2.75 x 2.75 inches
|
2-1/8"

Its a great bit, but I don't have a drill that opens wide enough to run it. So I put a 7/16" deep socket on my drill and got going. I would not do this if I needed multiple cuts, but for my single cut purposes it was fine.

Notes: the kickback warnings are real. Nothing can prepare you for when these teeth hit the wood. My drill was not strong enough to make the cut but here is what I did. I used the center ping to outline the circle in the wood, then removed it.

The outline of the circle kept the cut true and the lack of the pin made the bit much less aggressive. I was able to remove less material over more time and complete my cut. If I had the right tool, I expect I would love this bit.

Seller Name Price Condition Positive
PartzStop $32.72 New 91%
Amazon Official $32.83 New Official
Sparkfish $32.83 New 96%
ISS Inc $52.1 New 91%

Features

Optimized cutting geometry provides longer bit life
Aggressive spur provides fast material penetraion
Open tooth design allows for more resharpenings
7/16-inch Ball groove shank for quick change applications
7/16" Ball groove shank for quick change applications
#TOP 12
Vix Bit Centering Pre Drill 64 Inch Hinges Cover
Vix-Bit
|
1.6 ounces
|
0.5 x 0.5 x 4.5 inches
|
Steel

Excellent craftsmanship, great tooling , works perfect, heavy duty and spins true no wobble. I recommend getting this if you need a precise centered hole , I do a lot of commercial door hardware and count on the precision and reliability.

Seller Name Price Condition Positive
Hartville Hardware $40.42 New 95%
Prime Tools $41.95 New 99%
Quality Distributing LLC $42.64 New 85%
Gatzies $43.85 New 82%
T.A.TOOLS $39 New 100%
Norfield Industries $42.75 New 93%
UnbeatableSale, Inc $50.38 New 88%
Trader Chuck's $52.4 New 81%
Woodworkers Hardware $57.63 New 91%

Features

Avoid Splitting Out Hardwoods By Pre-Drilling Your Screw Holes
Self-Centering Bit Assures A Centered Hole Each Time
Works Equally Well On Metal, Wood Or Plastic
13/64" For #14 Screws
#TOP 13
Irwin Industrial Tools 3046009 3 Cutter Cover
Irwin Tools
|
9.1 ounces
|
8 x 4 x 2 inches
|
Pack of 1

I used this bit to bore deep holes into pressure treated timbers. It worked very well. The cutting action is aggressive but still left a relatively clean hole. I used both a power drill and a hand brace to bore the holes.

When using a power drill I found that removing the centering drive screw from the bit reduced the aggressiveness a bit and made the cutting action finer/smoother. When using a hand brace, I found that putting the drive screw back into the bit improved the cutting action.

Thus, having the option to have the centering drive screw either in place or removed was a beneficial feature.

Seller Name Price Condition Positive
JBTools $31.45 New 92%
Amazon Official $31.51 New Official
Southfork Homecenter $35.37 New 84%
Samis shop $37.68 New 95%
OJCommerce $42.29 New 63%
Trader Chuck's $52.92 New 81%

Features

1-3/4" Diameter Speed or Max Self Feed Wood Drill Bit
This product is highly durable
This product is manufactured in China
3X the cutting area and edges of standard self feed bits
7/16-Inch Impact Rated Shank
#TOP 14
Dewalt Dw1638 4 Inch 16 Inch Selfeed Cover
DEWALT
|
11.2 ounces
|
6.06 x 2.75 x 2.75 inches
|
2-1/4"

I bought this bit to cut a holes in two 5" x 5" x 2. 5" blocks of curly maple to hold a glass candle votives. The bit did a nice job cutting the hole, which was about 3/8" deep into each block. When done, the resulting hole in the center was a bit too deep and wide for my liking.

The completed candle votive holder turned out nice, but the center hole was very visible.

Seller Name Price Condition Positive
TheHardwareSource $22 New 94%
MHS Inc $23.99 New 92%
Amazon Official $32.89 New Official

Features

Optimized cutting geometry provides longer bit life
Aggressive spur provides fast material penetraion
Open tooth design allows for more resharpenings
7/16-inch Ball groove shank for quick change applications
7/16" Ball groove shank for quick change applications
David Dawson Author Avatar
Editor David Dawson

Last Updated: Oct 18, 2020

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