6647 Reviews Scanned
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#TOP 1
General Tools 825 Grinding Attachment Cover
General Tools
|
4.91 x 4.91 x 7.38 inches
|
3460-00-991-0690
|
00038728240705

There appears to be several variations of this tool. The version by General in my opinion is very well made for the price point.Made in USA. Fit and finish and quality of materials exceeded my expectations. Set up and operating instructions are clear.

If you take the time to read the instructions and set up and operate the jig per the instructions the results will be far better than what can be achieved by sharpening freehand. If you primarily drill in wood then sharpening free hand is the way to go.

However if you are drilling holes in metal for precision machine work then it is paramount that both cutting edges are exactly the same length and have proper relief angle. I have sharpened bits 1/4" - 3/4" with this jig and have achieved close to a factory grind.

No more oversized holes and repeated trips to the grinder to make adjustments.

Seller Name Price Condition Positive
Amazon Official $23.72 New Official
EXILIEN $31.38 New 92%
Kitchen Dazzle L.L.C $34.48 New 64%
MeetzUrNeedz $34.48 New 67%
Veterans Sell $34.48 New 72%
Bubblysuz $34.48 New 64%
Art's Stores Inc. $34.48 New 65%
American Sunrise $35.5 New 84%
TEKBIR STORE $37.16 New 86%
Amazon Warehouse $20.96 Used - Like New Official

Features

Country of manufacture: Taiwan
Knobs, Handles, Workholding & Machine Tool Accessories
Manufacturer: GENERAL TOOLS
#TOP 2
Grinding Polishing Sharpener Sharpening Portable Cover
yingyi
|
6.4 ounces
|
9 x 6 x 1 inches
|
Blue &Orange

So I give this a 4 out of 5 because it works. I sharpened a drill bit I dulled because I used it on concrete (yes i forget my masonry bits). After sharpening it cut through wood like butter. Where before the sharpening it wouldn't drill at all.

No directions so it did take a little bit to get it set up correctly. You basically want to sharpen the lead edge of the bit which can be a bit tricky. From my first picture you can see how I have the sharpener laying flat with the bit in one of the slots.

Even though this worked it took a little bit of practice to get the bit rotated just right to completely sharpen the lead edge of the bit. First few times I sharpened the trail edge of the bit more which does nothing.

Rotated a little and got the lead edge sharpened. Now this is where I have a complaint about the tool. When you use it as is the lead edge of the bit that you want the sharp edge on is facing the table and you can not see it properly.

Seller Name Price Condition Positive
ZhiNengSuliao $11.99 New ?
Yingyi $12.99 New 88%

Features

[Reliable and Efficient] Compact and portable drill grinding tool, Use this drill bit sharpening tool with your power drill to keep bits sharp and ready for use
[Easily Increase the Life of Drill Bits] Forget the days of trying to find the correct angle by hand or accidentally tapering the edge of your tools. Improve the utilization of drill bits, solve the troubles you have been buying drill bits, save time and save money.
[STURDY AND DURABLE] Made of high-quality ABS plastic and brown corundum grinding wheel, High hardness, rustproof, solid and durable,self-centering point, do not need assistant center drilling or center punching.
[Easy to carry] Portable tools that you can carry around and don't take up space in your backpack.
[Applicable Type] This diamond Drill Bit Sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills
#TOP 3
Bestgle Self Centering Opening Puncher Woodworking Cover
Bestgle
|
3.84 ounces
|
4 x 3 x 0.07 inches
|
Metal
Seller Name Price Condition Positive
Bestgle $9.99 New 98%

Features

Adopt self-centering design, precise positioning during drilling, will not shift
High speed steel drill with brass body, durable and excellent for use
Sawdust will be automatically discharged from the top of the drill holes on both sides, not stuck drill
Ideal carpenter tool for woodworking, installing hinges on wood doors, cabinet, window and more
Easy to use and install, change bits fast which one-handed load and release
#TOP 4
Sharpener Portable Sharpening Corundum Iron Based Cover
CZS
|
3.98 ounces
|
7.3 x 3.1 x 0.75 inches
|
Plastic

The low ratings for this tool reflect more on the user, than the tool. As a professional carpenter for over 40 years, I had no illusions or expectations. Drill bit sharpeners can cost up to $600, so expecting a $10 jig to perfectly hold and sharpen a dull bit is just plain stupid.

That being said, your fingers hold the dull bit in place; there is no stop to keep from grinding too much, and no clamp or method of orientation to precisely return the dull bit to like new. You put bit in appropriate slot, orient it by eyeball and grind off what you want on one side, rotate bit, and cut other side by eyeballing and feel.

Crude, but effective. I sharpened three bits to get the hang of it, tested said bits in some ipe wood (super hard ironwood), and decided it was well worth ten bucks. I threw it in one of my truck tool boxes, and it has saved me a few trips to hardware store.

Seller Name Price Condition Positive
Diet-life $7.99 New 88%

Features

[Easily Increase the Life of Drill Bits] Forget the days of trying to find the correct angle by hand or accidentally tapering the edge of your tools. Improve the utilization of drill bits, solve the troubles you have been buying drill bits, save time and save money.
[Application] This diamond Drill Bit Sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills.
[Reliable and Efficient] Compact and portable drill grinding tool, Use this drill bit sharpening tool with your power drill to keep bits sharp and ready for use.
[NO-RISK PURCHASE] Please feel free to contact with the seller if you have any questions about our products. If you're unsatisfied with this item for any reason, we'll immediately refund your the full money.
[Material] Made of high-quality ABS plastic and pink corundum grinding wheel,high hardness, rustproof, solid and durable,it can grind iron drill bit very well, and it is durable and not easy to damage.
#TOP 5
Diamond Grinding Stained Ceramic Abrasive Cover
Hztyyier
|
1.58 ounces
|
0.39 x 0.39 x 0.39 inches
|
MCB34

Love it!Replaced on that was very old on a very old grinder. Easy to install and makes my work a lot easier.

Seller Name Price Condition Positive
Yokuna $19.39 New 90%

Features

Good Performance: The drill bit is chromium hardened to improve performance, strength and durability.
Wide Applicability: Diamond grinding head is suitable for Inland, Gryphon, Delphiglass, Glastar and other brand glass grinding machines. (Except Glstar G-5 and other brands)
Service Life: Since the working position of the diamond grinding head always stays in place, the consumption is smaller and the service life is longer.
Different Categories: At present, we have launched a number of high-quality products on sale, you can choose the right grinding tool according to the size and grinding needs.
Application Range: The glass grinding head adopts the standard frosted design, which is an ideal choice for shaping various shapes of glass, ceramic tiles, stone and other materials.
#TOP 6
Yakamoz Self Centering Hinge Opening Drill Cover
YAKAMOZ
|
3.88 ounces
|
5.3 x 3.1 x 0.5 inches
|
4PCS

I'm a home DIY kinda guy and don't need expensive, original Vix bits. I probably use these once every couple months and for that these come in handy. These also are very affordable but definitely not high quality. For that expect to pay at least three times the amount that these cost.

These however will last you an awful long time if you are the occasional DIY person and if taken care of. These will definitely make it easy to drill the pilot hole in the exact center of a hinge or similar.

Seller Name Price Condition Positive
Yakamoz $8.99 New 97%
Amazon Warehouse $8.54 Used - Like New Official

Features

Easy to use and install, change bits fast which one-handed load and release
High speed steel with a brass body designed, durable and excellent for use
Sawdust will be automatically discharged from the top of the drill holes on both sides, not stuck drill
Drill bush for precise positioning, will not shift
4 popular sizes used for carpenters, cabinet, furniture makers and other wood working trades
#TOP 7
Sharpener Portable Sharpening Corundum Grinding Cover
fun deal
|
7.1 ounces
|
7.56 x 6.3 x 1.38 inches
|
ABS
Seller Name Price Condition Positive
Anxcc $11.99 New 100%

Features

Applicable Type:This diamond Drill Bit Sharpening Tool is mainly used for grinding iron drills, other high hardness drills are not suitable for use,and the loss will be relatively large.
STURDY AND DURABLE: Made of high-quality ABS plastic and brown corundum grinding wheel, High hardness, rustproof, solid and durable,self-centering point, do not need assistant center drilling or center punching.
Standard hex shank, hexagonal to side 6.35mm shank diameter, suitable for various tools such as electric manual pneumatic screwdriver.
Portable tools that you can carry around and don't take up space in your backpack.
Compact and portable drill grinding tool, Use this drill bit sharpening tool with your power drill to keep bits sharp and ready for use.
#TOP 8
Woodstock D4144 Drill Sharpener Cover
Woodstock
|
1.37 pounds
|
7.8 x 5.2 x 1.9 inches
|
1-Year Warranty

I purchased this to sharpen a lot of drill bits. I go through drill bits like a 60 year old man (me) goes through vitamins. This sharpener does a great job of sharpening bits, which is a good thing since it has no other purpose in life.

I used to just sharpen then free-hand, but my vision isn't what it used to be. Mounting and set-up are a bit of an issue, but after my second attempt, I got it right. I mounted mine on the side of my grinder (I know that's a no-no, so don't hate me).

I tried mounting it in front, but I couldn't get it to work well with my Craftsman grinder. And it would have required removing the sharpen when I needed the grinder for other purposes. I try to multi-task in my shop, so mounting and removing the sharpener would have been an issue.

With the side mount, I can leave it while grinding on other projects. The instructions are very poor, so you have to have a little built in handyman talent. After you get it mounted and set up, you can sharpen a bit in under 2 minutes and have a perfect angle and edge.

Seller Name Price Condition Positive
Amazon Official $25.67 New Official

Features

Adjustable for various drill-point angles
Sharpen drill bits from 1/8-Inch to 3/4-Inch with speed and accuracy
#TOP 9
Dremel 662Dr 8 Inch Glass Drilling Cover
Dremel
|
1.6 ounces
|
3.97 x 2.01 x 1.25 inches
|
Pack of 1

This is a hollow diamond bit so, unlike regular drill bits, you do not have to drill half way through the glass, then flip it over and drill through the back in order to avoid blowing out the back. This is a big plus in my book as drilling through the back can be really hard to line up properly.

It comes with an oil that I have yet to use. I put the glass I'm drilling in a pan of tap water and hold one side down with my finger. Not terribly professional but it gets the job done easily.

I prefer using water because I don't risk the glass getting so hot that it cracks. However, I've only drilled small pieces of glass and this method is probably not very appropriate for larger pieces. The noise generated by the diamonds against glass is ear-splitting.

I highly recommend using ear protection when using this product. And, of course, if you do use water, take the necessary precautions you would when using any electrical tool around water. The only con I can think of is that dremmel does not have a smaller size bit like this.

Seller Name Price Condition Positive
Amazon Official $15.98 New Official
MaxWarehouse $18.33 New 89%
Hearthshire $19.21 New 89%
Lake Effect Warehouse $14.13 New 92%
Top Dog Tool $20.99 New 98%
Acme Tools $18.99 New 87%

Features

Diamond-impregnated cutting bit for long life
Drill holes in both flat and contoured glass
Holes on the side of the bit allow the removal of material
Diamond grit around the circumference of the bit allows it to rasp a larger hole if needed
#TOP 10
Sharpening Grindstone Iron Based Sharpener Convinient Cover
HOMOO ART
|
6.4 ounces
|
4.6 x 4.2 x 0.9 inches
|
Pink-6Pcs

Features

EFFECTIVE & PORTABLE: the grinding stone is lightweight, durable, It allows you to quickly and easily sharpen drill bit.while other drill bit types require you to manually file and grind bit maintain sharpness.
Premium Drill Bit Sharpen Kit: Provide a fast, simple and portable method of sharpening drill bit. 6 pcs Replaceable sharpening stones make you worry-free and save money.
This diamond Drill Bit Sharpening stones is mainly used for grinding iron drills, other high hardness drills are not suitable for use,and the loss will be relatively large.
Safety:We take safety very seriously when dealing with sharpening tools, Avoid hurting your hands.
Easy to use: The sharpening stone fits inside the Portable 2-12.5mm Drill Bit Sharpener, and need to be used with electric drills, lightweight and portable.
#TOP 11
Sharpener Portable Diamond Sharpening Include Cover
OZiO
|
6.8 ounces
|
7.44 x 6.57 x 1.5 inches
|
Other

Features

STURDY AND DURABLE: Made of high-quality ABS plastic and brown corundum grinding wheel, High hardness, rustproof, solid and durable,self-centering point, do not need assistant center drilling or center punching.
APPLICATION: This diamond Drill Bit Sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills.
WARM-TIPS: The grinding wheel currently equipped with this product is brown corundum grinding wheel, so the product is mainly used for grinding iron-type drill bits. Other high-hardness drill bits are not suitable for use, and the loss will be relatively large.
RELIABLE AND EFFICIENT: Compact and portable drill grinding tool, Use this drill bit sharpening tool with your power drill to keep bits sharp and ready for use.
Lightweight and portable, 3 sizes, available for 2mm to 12.5mm bit.
#TOP 12
Drill Gage Degree Angle Sharping Cover
WeldingStop
|
0.669 ounces
|
6.93 x 3.66 x 0.28 inches
|
Stainless Steel

Features

Laser engraving,easy to read
Drill bit angle gauge for measuring drill bit 118 degree
WS OEMed products
Pocket size,easy to carry
Made of stainless steel, not easy to rust and bend
#TOP 13
Portable Sharpener Corundum Grinding Polishing Cover
Mistyrain
|
6.9 ounces
|
8.35 x 5.59 x 1.65 inches
|
ABS

Only used it once the 1st time today so far so good good value looks like it does what it's supposed to. Actually saw this in my Facebook feed in like usually I check on Amazon to see because the prices are usually better and it was and I bought it

Seller Name Price Condition Positive
Xianful $13.99 New 88%

Features

[Easily Increase the Life of Drill Bits] Forget the days of trying to find the correct angle by hand or accidentally tapering the edge of your tools. Improve the utilization of drill bits, solve the troubles you have been buying drill bits, save time and save money
[Application] This diamond Drill Bit Sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills
[Reliable and Efficient] Compact and portable drill grinding tool, Use this drill bit sharpening tool with your power drill to keep bits sharp and ready for use
[Material] Made of high-quality ABS plastic and pink corundum grinding wheel,high hardness, rustproof, solid and durable,it can grind iron drill bit very well, and it is durable and not easy to damage
[Great Effect] With simple structure and great material, the grinding wheel drill bit has good sharpening effect, saving much effort. Great for fast drilling, tapping,etc. And Fast replacement composite cone, uses drill edged principle
#TOP 14
Goodsmann Electric Drill Sharpener Heads Cover
GOODSMANN
|
2.32 pounds
|
7.64 x 6.93 x 5.35 inches
|
Plastic

Not the easiest to work with but gets the job done.Directions lacking. Made in China sez alot. Tired of buying replacement bits and we don't live close to the store either.

Seller Name Price Condition Positive
Goodsmann Group $39.99 New 93%

Features

Compact and easy to carry. Versatile and easy to use.
High-strength engineering plastic body, durable.
Designed for the serious tool user, this professional, easy-to-use system makes it simple to keep a sharp, perfectly angled cutting edge on bits you use often.
Can be sharpening width from 1/8" to 25/64", ideal for the most common drill bit styles.
Better and Safer to Use: Whether you're a professional tradesperson or a serious hobbyist, GOODSMANN drill bit sharpener is an ideal tool for you.
#TOP 15
Rotary Carving Rotating Embossed Grinding Cover
Evangel
|
8 ounces
|
4.02 x 2.99 x 0.51 inches
|
Drill

These burrs have served me well through the various projects on which I've used them. They remove a decent amount of material, but are easy enough to control. My only wish is that they came with diagrams to show which angles and situations are the most appropriate for the shape.

Seller Name Price Condition Positive
Zxx-us $11.99 New 96%

Features

In a great part of the work, it can replace the petiole small wheel, and no dust pollution.
Suitable for low hardness of the workpiece, such as soft wood and plastic.
Long life, the durability is 10 times higher than high-speed steel cutting tool, 200 times higher than small grinding wheel.
High production efficiency, the processing efficiency is several times higher than file, nearly 10 times higher than small wheel stalk.
High product processing quality, high finish, can process out a various of high-precision mold cavity.
#TOP 16
Stkusa Drill Sharpener Dual Heads Cover
Stark
|
5.51 pounds
|
10.6 x 7.6 x 5.3 inches
|
Steel

It does what it said will do just have patience with it. I sharp 5/8 drill bits save me some money . Good product for the money better than dr.Drill bit IMHO.

Seller Name Price Condition Positive
Ihubdeal $39.95 New 83%

Features

120v/60Hz, 70w, 1600rpm
Sharpening size: 9/64" - 25/64" and 5/16" - 5/8"
Self-contained drill bit sharpener keeps the cutting edges of drill bits sharp
Two easy-mount heads with marked size to accommodate smaller and larger size bits
Double insulated
#TOP 17
Ginode Automatic Self Centering Puncher Woodworking Cover
Ginode
|
10.4 ounces
|
4.33 x 2.36 x 3.54 inches
|
HSS

I find I am using the centering drill set more and more in places I had not expected when I ordered it. The sizing range for the drills has so far, covered every job I'd needed them for. Seem to be well made and easy to use, simply great.

It is wonderful to know that if you want the center the hole, that is where you will get your starter hole.

Seller Name Price Condition Positive
Whotalkzone $14.99 New 93%

Features

NO DRILL BLOCK: Sawdust will be automatically discharged from the top of the holes on both sides, without drill blocked.
7PCS 1/4" Hex Shank Wood Door Hinge Self Centering / Center Hinge Drill Bits Set for Drilling Pilot Holes
POSITIONING: Spring loaded outer guide with chamfered head keeps the high-speed drill centered for perfect pilot holes, making it easy to drill precise holes.
PACKAGE INCLUDES: 7PCS drills 5/64", 7/64",9/64", 11/64", 13/64" ,1/4", 5mm. 1PC Automatic Center Punch.
AUTOMATIC CENTER PUNCH: Spring loaded design effectivly increases the elasticity and reduces the pressure.

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David Dawson Author Avatar
Editor David Dawson

Last Updated: Oct 18, 2020

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