Koncocoo

Best Power Transmission Chains

Koch 7435100 Roller Chain, #35, 10 Feet
Koch Industries standard roller chain is a long life chain that will work with standard sprockets on agricultural and industrial equipment. Standard roller chain meets ASME/ANSI B29.1 standards.
Reviews
"worked perfectly for what I needed.....seems the description didn't mention it comes with a master link, so that was a nice surprise."
"As you can easily confirm by thought experiment or actually trying it, roller chains generally need to be fastened to both ends of the gate to work properly. The link itself fit properly and was easy to install, once you remove one pin from the stainless roller chain. An effective way to do this in the field requires a hammer, a punch, and a hex nut."
"While using my snow blower last winter, I found a couple rocks that I wish I hadn't, and the end result was breaking my snow blower's drive chain."
"I put the predator 6.5 hp on a mini bike that only had a 3hp."
"so far so good."
"This worked great for my #35 mini bike chain."
"The drive chain for the hatch on my Chrysler mini van broke and I could not fine the right size link anywhere."
"Here I thought I'd be the first to use this for a repair job on a liftgate, turns out I'm about 5th in line!"
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Koch 7725010 Roller Chain Breaker, #25 to #60
-For use with #25 to #60 chains. For use with #25 - #60 roller chain. Enter your model number to make sure this fits.
Reviews
"It is exactly like another one I had that wore out after maybe ten years (the threads eventually stripped)."
"fine quality and a good price, very well built and should last a long time."
"It works fine take a chain apart and repair it with ease."
"Solved some very sticky problems for me with my tractor."
"Works great breaking chain so far used it for 5 mini bikes so far since I got it."
"Quality fair to middle of the road."
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Koch 7535040 Roller Chain Connector Link, 4-Pack, #35
-Connector links can be used to join 2 pieces of chain by 2 pitch increments. Koch Industries single strand roller chain connector links can be used to join 2 pieces of chain by 2 pitch increments. Enter your model number to make sure this fits.
Reviews
"worked perfectly for what I needed.....seems the description didn't mention it comes with a master link, so that was a nice surprise."
"As you can easily confirm by thought experiment or actually trying it, roller chains generally need to be fastened to both ends of the gate to work properly. The link itself fit properly and was easy to install, once you remove one pin from the stainless roller chain. An effective way to do this in the field requires a hammer, a punch, and a hex nut."
"While using my snow blower last winter, I found a couple rocks that I wish I hadn't, and the end result was breaking my snow blower's drive chain."
"I put the predator 6.5 hp on a mini bike that only had a 3hp."
"so far so good."
"This worked great for my #35 mini bike chain."
"The drive chain for the hatch on my Chrysler mini van broke and I could not fine the right size link anywhere."
"Here I thought I'd be the first to use this for a repair job on a liftgate, turns out I'm about 5th in line!"
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Best Power Transmission Roller Chains

Koch 7435100 Roller Chain, #35, 10 Feet
Koch Industries standard roller chain is a long life chain that will work with standard sprockets on agricultural and industrial equipment. Standard roller chain meets ASME/ANSI B29.1 standards.
Reviews
"worked perfectly for what I needed.....seems the description didn't mention it comes with a master link, so that was a nice surprise."
"As you can easily confirm by thought experiment or actually trying it, roller chains generally need to be fastened to both ends of the gate to work properly. The link itself fit properly and was easy to install, once you remove one pin from the stainless roller chain. An effective way to do this in the field requires a hammer, a punch, and a hex nut."
"I put the predator 6.5 hp on a mini bike that only had a 3hp."
"so far so good."
"This worked great for my #35 mini bike chain."
"The drive chain for the hatch on my Chrysler mini van broke and I could not fine the right size link anywhere."
"Here I thought I'd be the first to use this for a repair job on a liftgate, turns out I'm about 5th in line!"
"I have a 1977 Motobecane moped and this chain was perfect as a replacement drive chain."
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Best Power Transmission Silent Chains

PowerTwist Plus V-Belt, A / 4L Profile, 1/2" Width, 25ft Length
Combining industry standard horsepower ratings with superior performance in harsh operating environments, PowerTwist Plus is a permanent replacement for traditional rubber V-belts. PowerTwist Plus unique “quick connect” belt design provides for fast and easy installation, even on captured or restricted access drives — no tools required. Longer belt life – High performance polyurethane/polyester composite materials outperform conventional rubber V-belts in harsh environments – handling abrasion, extreme temperatures, and exposure to oil, grease, water and most common industrial and agricultural chemicals and solvents.
Reviews
"This product drives my wood planer and has eliminated drive belt vibration which was the goal."
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Best Power Transmission Enclosures & Cases

Allen Bradley, Power Flex 22A-D4P0N104 AC Drive T30228
Allen Bradley Power Flex 4 Series, 2HP, 480VAC, 3PH.
Reviews
"Ordered 4; one was bad, returned for full credit."
"Half price for a new item."
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Best Mechanical Power Take-Offs (PTO's)

24PCS 5045 5046 Bull Nose BN ABS Propeller Props CCW CW for QAV250 Multirotor Quadcopter (Random Colors)
Reviews
"i did not receive DAL props, and i've never tried them, so i can't compare these to DAL."
"What I do know is that I have broke 2 pairs of carbon fiber props and all the props that came with my quadcopter in just 2 days."
"These crazy pony props are actually Dal unbreakable props really nice quality some you can tell are a lil tight on the shafts while some go on easily and for some reason one of these props broke my bell shaft but they really are unbreakable they just bend easily so on strong power thrusts, they will flex and on crashes just bend them back."
"They do brake but after some abuse .on a regular day out .i brake any were from 5 .to 10 props of inferior quality.with these .2 props in 2 cesions .thas damn good in mi book saves me money .and time .love them .get a bunch and you wont need to re up on props .in a long time ."
"They generally only break if I run head on to a tree or hit the concrete."
"Genuine dal."
"These props are reasonably balanced but they are very flexible and break easily."
"definitely not as durable as dal props."
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Best Mechanical Roller Chain Sprockets

35BB19-5/8'' Bore 19 Tooth Idler Sprocket for 35-1 Roller Chain
Brand New From Factory DirectlySprocket for 35-1 Roller ChainPitch: 0.375"Teeth: 19Bore: 5/8" *Images for illustration purpose only, Actual product may vary.
Reviews
"This is really great, would buy again."
"Great product,built excellent,to bad they are out of stock and dont know if they will get anymore,would buy more if and when they do."
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Best Linear Motion Products

Lee Precision Lead Ladle
Lee Lead Ladle for bullet casting, handy for skimming and stirring metal. Enter your model number to make sure this fits.
Reviews
"- Wood handle won't heat up if it's left in the melting pot. Overall, this ladle works fine for what I bought it for. I would recommend this ladle, but just note the shortcoming's I've mentioned, and you won't be disappointed. Feel free to comment and let me know if I have helped you, and please note below if this review was able to help."
"I still use my bottom pour pot for .45 ACP/LC bullets because they're much lighter, and I can cast more and get more consistent results."
"Ok got exactly what was shown but picture obviously setup to mislead."
"good for dealing with very small amounts of melt casting (pewter)."
"If you already have a pot....this works ok."
"Does ok but it would be better with a flat side."
"works fine, but after a short time the finish is coming off and slag and dirt is stuck on it and wont come off."
"Picture is misleading, this is a very small ladle."
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Best Gear Stock & Pinion Wire

Remington Industries 22UL1007SLDKIT10COLOR100 22 AWG Gauge Solid Hook Up Wire Kit, 100 feet Length Each, 10 Colors, 0.0253" Diameter, UL1007, 300 Volts
Stranded copper wire provides good electrical connectivity while PVC insulation protects the wire against abrasion, chemicals, oils, and solvents.
Reviews
"The insulation is just a hair thicker than I would have preferred but I'm 100% happy with this hookup wire."
"As advertised...decent quality insulation, holds up well to overheating during solder."
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Best Mechanical Springs

Neiko 50456A Spring Assortment Kit for Repairs, Steel Zinc Plated | 200-Piece Set.
Neiko 200 Pcs Spring Assortment This is a new Neiko 200 piece spring assortment 75# Spring Steel Zinc Plated Compression Type: 9/32" x 1/2", 1/4" x 13/32", 7/32" x 11/16", 3/8" x 5/8", 3/8" x 3/4", 9/32" x 3/4", 23/64" x 1-3/8", 7/32" x 1-1/2" Extension Type: 13/64" x 13/16", 7/32" x 1", 1/4" x 7/8", 5/16" x 1-1/8", 5/16" x 1-1/4", 5/16" x 1-3/4", 11/32" x 1-27/32". WIDE RANGE OF SMALL SPRINGS: 200-piece set of compression and extension springs for shops and home repairs.
Reviews
"Great assortment of compression and tension springs, all in bins of a useful compartment holder."
"Lost a small spring and had to buy this whole set to replace it."
"Although these springs come in a range of sizes, they're all made from about the same gauge wire, so they're all roughly the same strength."
"Most of the springs have higher tension than I expected, especially the extension springs."
"tiny spring broke on a camper door and needed two to repair it."
"Great assortment for the price."
"I used 1 spring to repair the latch on an Andersen 3000 storm door."
"I purchased these springs to use as spring locks for my rabbit cages."
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Best Mechanical Shafting

DEWALT DWARAFS Right Angle Flex Shaft, 12"
The Flexible Shaft allows you to reach nearly any space, Side handle for additional leverage and support, and the Hex shank accepts any 1/4 In. Enter your model number to make sure this fits.
Reviews
"Kind of tricky to get used to, but after a couple screws you'll be just fine."
"If you buy a impact driver, this, and a cheap impact driver kit (like 30$) you will have a great set up."
"I purchased two of these at christmas as presents and they work great to get to the nooks that a regular driver cannot reach."
"It is challenging sometimes to change bits and the plastic side support handle is a joke."
"I read a few reviews that talked about stripping out the gears so i dont let my buddies with 18v and 20v impacts use it."
"Great tool for getting into tight spots."
"It certainly delivers access to difficult to reach areas and the fast release is another plus, but none of that matters much due to the quality of the internal gears, which I managed to strip after 2 light-weight uses of the tool."
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Best Bearings

TENS 7000 2nd Edition Digital TENS Unit with accessories
Reviews
"I had my bf apply the pads to my lower back and I was messing around with the dials and all of a sudden...BAM! Always start these things with the lowest setting and then move up within your comfort level."
"I had experience with a smaller, less powerful unit bought at CVS, but even that was helpful. (EBL 840 9V Battery Charger with 4 Pack 600mAh Li-ion Rechargeable 9 Volt Batteries). UPDATE Aug. 2017: I've used this unit for 4 months and it got me through a really horrible time where I was suffering from knotted shoulders and trapezius with terrible trigger points that were so bad I was unable to sleep on either shoulder for nearly 4 full months. UPDATE Sept. 2017: Well, unfortunately, the unit quit working a few days before I had to travel, so I was forced to buy another one to replace it. My original review was 5 stars, dropped to 3 while I waited for a refund, and am leaving it at 4 stars because the seller did take care of the issue and the new unit seems to be working fine (although I did just get it a month ago)."
"I get treated by my chiropractor every month with a professional TENS unit for Sciatic Nerve pain."
"This tens unit has just the right amount of power behind it, small size and features to make it a must have for those with MS, muscle or nerve pain. The housing isn't as nice as some of the higher-end commercial units, but the electrical configuration options are comparable. Sometimes I put it on low and just run it for 30 to 40 minutes while I read, work on the computer or watch tv. *It should be noted that this gizmo has decent power output and runs for a long time off of one 9v battery. The pads are comfortable--not overly sticky or gooey but nonetheless result in excellent adhesion. When finished just re-apply them to the sticker backing sheet they came with and reseal them in the envelope to extend the life of the pads."
"Tens units are the best when it comes to muscle pain."
"This is the second one of these to break within a month of use."
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Best Mechanical Shock & Vibration Control

Ideaworks JB6368 S/4 Anti Vibration Pads
Size: 1-Pack. Item features easy to install reduce maintenance costs reduce noise.
Reviews
"Life Hack: if you don't have easy access to the back of the washer, you will at first wonder how to put these in position below the rear "feet" of the washer."
"The washing machine sounded like a jet engine and could be heard throughout the house during the spin cycle."
"it does stop the wash machine walking."
"Our washer kept slipping forward on our hardwood floors."
"these work really well."
"it took almost all the vibration away when my washing machine during the spin cycle."
"As long as the load is light and the machine is properly level, there is little to no vibration on the highest spin cycle. Occasionally, when a heavy load is imbalanced, the machine will vibrate and "walk"."
"These might work well for a lightweight appliance, however for a heavy front loading machine they get smashed down to a flat pancake like shape and ruined."
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Best Mechanical Worm Wheels

HOBART Worm Wheel Shaft Washer 124745
Worm Wheel Shaft Washer.
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Best Mechanical Gears

Whirlpool 9709231 Replacement Gear Parts
authorized part. Fits various Whirlpool models.
Reviews
"I purchased a whole new mixer to use while waiting for this part to arrive, and the new one is labeled in many places stating that the dough hook should only be used on speed setting #2. I called KitchenAid customer service, and they told me that running it faster or slower would damage the machine."
"When my kitchenaid broke I decided to fix it myself since kitchenaid aid pretty much told me "Sorry for your luck"."
"Was drop in replacement for my KitchenAid KV25GOXOB Professional 5 Plus 5-Quart Stand Mixer."
"I watched a few videos on repair and found a few broken and stripped parts."
"Ordered parts on Wednesday and they arrived on Friday."
"Used to repair Kitchen aid mixer."
"Perfect fit for old KitchenAid mixer."
"More parts for the money pit."
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Best Mechanical Lubricants and Oils

TAP MAGIC 10016E EP-XTRAOZ ONE FRIENDLY CUTTING FLUIDS - 16 OZ. SPOUT TOP
EP-XTRAOZ ONE FRIENDLY CUTTING FLUIDS - 16 OZ.
Reviews
"I have used it in my shop for years!"
"Best tapping fluid to use when tapping new or cleaning out older holes."
"This is a good product for all cutting jobs on metals."
"Good quantity of cutting oil for a good price."
"Great product and a good price."
"This stuff works great!"
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Best Industrial Brakes & Clutches

TENS 7000 2nd Edition Digital TENS Unit with accessories
Reviews
"I had my bf apply the pads to my lower back and I was messing around with the dials and all of a sudden...BAM! Always start these things with the lowest setting and then move up within your comfort level."
"I had experience with a smaller, less powerful unit bought at CVS, but even that was helpful. (EBL 840 9V Battery Charger with 4 Pack 600mAh Li-ion Rechargeable 9 Volt Batteries). UPDATE Aug. 2017: I've used this unit for 4 months and it got me through a really horrible time where I was suffering from knotted shoulders and trapezius with terrible trigger points that were so bad I was unable to sleep on either shoulder for nearly 4 full months. UPDATE Sept. 2017: Well, unfortunately, the unit quit working a few days before I had to travel, so I was forced to buy another one to replace it. My original review was 5 stars, dropped to 3 while I waited for a refund, and am leaving it at 4 stars because the seller did take care of the issue and the new unit seems to be working fine (although I did just get it a month ago)."
"I get treated by my chiropractor every month with a professional TENS unit for Sciatic Nerve pain."
"This tens unit has just the right amount of power behind it, small size and features to make it a must have for those with MS, muscle or nerve pain. The housing isn't as nice as some of the higher-end commercial units, but the electrical configuration options are comparable. Sometimes I put it on low and just run it for 30 to 40 minutes while I read, work on the computer or watch tv. *It should be noted that this gizmo has decent power output and runs for a long time off of one 9v battery. The pads are comfortable--not overly sticky or gooey but nonetheless result in excellent adhesion. When finished just re-apply them to the sticker backing sheet they came with and reseal them in the envelope to extend the life of the pads."
"Tens units are the best when it comes to muscle pain."
"This is the second one of these to break within a month of use."
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Best Industrial Drive Belts

Grizzly T21992 Power Twist V-Belt, 1/2-Inch x 4-Foot
Made from high performance polyurethane elastomers reinforced with multiple plies of polyester fabric fenner drives' composite v-belts offer problem solving alternatives to conventional endless rubber v-belts of classical and metric sp wedge cross sections. Perfect for lathes, table saws, bandsaws and other woodworking tools.
Reviews
"Links were easy to remove with the help of needlenose pliers, and the vibration is totally gone."
"When this style of V-belt was recommended by an on-line woodworker I questioned it but decided to try it."
"I'm very pleased with my belt but when I went to but more i decide to go elsewhere."
"Wow... wow... wow."
"I also bought two new pulleys this belt does not fit the old pulleys or the new ones."
"The belt runs well on my drill press pulleys."
"It reduced vibration in my vintage Craftsman table saw by a large amount."
"This belt is may be a bit noisier than a solid v-belt, but it made replacing the drive belts on my 60 year old metal lathe a snap."
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Best Mechanical Pulleys

HON F24 “One Key” Core Removable Field Installable Lock Kit, Brushed Chrome
Specify key number to key all files alike, order Lock Core Replacement Kit HONF23CX lock cores, sold separately.
Reviews
"We lost the key for the original lock on our HON file cabinet and purchased the HON F24 to replace the lock."
"Customer service is great they e-mailed me to verify I was buying the right lock, I e-mailed them a picture of the Hon file cabinet and old lock and they verified it."
"First I watched the Youtube video but be aware, they show a slightly different model so stick with the printed download."
"I received mine with instructions and an oversize hole adapter (neither of which I needed -- I already knew how it worked, having removed the old lock previously to install into another file cabinet)."
"The two keys come in handy and the lock itself can fit most cabinets with lock holes."
"I was very surprised and a tad annoyed when the seller called me within a few minutes of ordering, wanting to know the size of the lock opening and whether I really wanted the product I ordered."
"This locking key set worked perfectly with my HON file cabinets."
"Quick and easy."
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Best Couplings, Collars & Universal Joiners

5/8"Bore Solid Steel Zinc Plated Shaft CollarsSet Screw Style (4 PCS)
4 Pieces Jeremywell Solid Steel Zinc Plated Shaft Collar with 4 Black Oxide Finish Set Screws 5/8" Bore, 1-1/8" OD, 1/2" Width*Images for illustration purpose only Actual product may vary.
Reviews
"These worked perfectly for replacing a garbage toter's wheels."
"Great quality!!"
"A little price though, the only reason we spent that much, it was the only collars with a 5/8” bore that we could find at the time."
"These were noted as an additional item when I purchased 10" Air Tires Wheels 5/8 and Stanley national hardware N179-812 bar."
"Works great!"
"Collars worked well and easy to install."
"Needed a spacer while replacing wheels on a dolly."
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Best Mechanical Ratchets & Pawls

KNIPEX 98 31 1,000V Insulated-3/8 Drive Reversible Ratchet
Reversible ratchet-1,000v insulated-3/8 drive. For quick, easy and secure locking of attached sockets.
Reviews
"Solid Tools, works as advertised."
"Germans did a good job works perfect."
"Knipex tools are the best and I have never been disappointed."
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Best Mechanical Control Cables & Accessories

8pcs Rubber Shock Absorber Vibration Isolator Mounts 5/8" x 5/8"
These rubber vibration isolator mounts measure 38mm length from end to end.
Reviews
"I used these isolation dampers on an attic gable vent fan that was QUITE audible from the interior of our home."
"used for my msd 6010 mounting."
"Used on a electric fuel pump."
"they worked just perfect."
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Best Metal & Alloy Magnet Wire

Super Magnet Neodymium Rare Earth Strongest Grade N52 NdFeB Permanent Nickel Coated Disc Magnets, 8.8lbs Pull Force, 1.26”DX0.08’’H, Set Of 12
Hang Heavy Objects And Complete Educational, Science, Home Improvement And DIY Projects Thanks To The Strongest Neodymium Disc Magnets Set! Super Magnet presents you with a strong rare earth magnets set which is ideal for you! What is more, you can use these super strong round neodymium magnets in order to hold items on your RVs or boats, as well as in order to hang items in your garage and keep your stuff perfectly organized.
Reviews
"It can hold mobile phones to tables, etc, depending on the weight of the gadget and how many you would like to join together. I have 3 of them put in together to hold my mobile phones.. So, certainly recommend some grips for these, like an anti slip ones and that would perfectly suit to hold your gadgets."
"I use them to temporarily attach a light-blocking curtain on a metal and wood exterior door to block light coming through the door glass, and these are more than strong enough for that job."
"Ridiculously strong magnets."
"The service was very prompt."
"Magnets broke into several pieces if held to close to other magnets."
"Also use it to affix poorly magnetic eraser to whiteboard."
"These are really good and strong ones."
"Yup out sticks most of the magnets out there."
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Best Gearboxes, Gearheads & Speed Reducers