MRCM Drill Bits Sharpener,1/8"-9/16"（3mm -15mm） Drill bit Grinding Machine MR-13A, 95° to 135° Point Angle Re-Sharpener, Portable Bits Sharpening Machine with 13 Collets，All-Metal Housing

I have never, and I mean never, been able to sharpen a drill bit free hand. Never. Any drill bit that I sharpen by hand that ends up cutting better is an accident. I've looked at drill sharpeners for decades, (really, not exaggerating) but had no interest. My dad had one of those things that you are supposed to use with a bench grinder, but it stat in a drawer and never got used by him, or the guy he got it from. I looked at the consumer units, but I couldn't get past the $160 price, and a name that made me think of one of the UHF TV station ads from Ronko back in the 70s. (wait, there's more!) But with the problem I had with a repair for a client last week caused by dull drill bits, I decided that I needed to buy one. The time lost because I scrapped out making a part cost me more than this thing did. Sure, I can buy a new cobalt drill index for under $150, but then I end up with the same bunch of dull bits in the same sizes in short order. Acrylic and materials like PEEK are surprisingly abrasive and can dull a bit very quickly. This thing is worth every penny. It works, perfectly, and I can use it any time so my drill bits can always be sharp when I need them. Keeping in mind the old adage that "Those who design things to be foolproof fail to take into account the ingenuity of fools," this thing is as close to foolproof as you get. New glasses will help with reading the small numbers on the collets, but you really are going to pick the one that fits the drill. The web diameter adjustment you make is in mm, so a small digital caliper is a good idea. Read the drill size in mm, and set the knob, set the drill bit in the collet, and off you go. The drill bit is held firmly in the chuck and collet. Once the bit is in place, it's held firmly so that there is no guessing for either the first cut, or splitting the point. Very consistent from one bit to the next. It takes less than 30 seconds to sharpen a bit. Pay attention to the setting on the "web diameter". You don't have to be super precise as you set the knob, but neither can you be way off on the diameter of the drill. I've gone through a good part of my drill index, sharpening the bits that are worn and damaged by my attempts to sharpen free hand. All are usable again. Now, the down side. Little things, but still.... No name plate, no sticker with the voltage and current draw, not UL listed. The response from the seller was that it's in the manual. I'm pretty sure it's required for to be on the device on electrical equipment in the USA. NO instructions at all on how to adjust the center of the drill, just a picture showing that it exists. It's important to have it right to get the relief angle and web diameter right. Mine wasn't set right. No warranty. As has often been said, if it isn't written down, it doesn't exist. When I queried the seller, they said 1 year - and I have a screen shot of that. But stuff happens, things fail that shouldn't, which is why warranties exist. I can't find it on the Amazon page, it's not in the manual. I'd be more comfortable if they fixed both issues. Having said that, I'm still giving it a 5 star rating because it's made well, and sharpens bits very easily and exceedingly well.

High quality product that is easy to use. Rugged components that enables precise drill bit sharpening. The user manual is a little vague .

Best investment ever simple effective with great good results. Practice and you will get the results of a factory finish

Purchased this at full price I sent a couple years contemplating buying it never wanted to spend the money but either needing a new set on bits for about the same amount or buying this so I went for it This sharpener might be the best thing I've ever purchased for my hobby machine shop small amount of tinkering on the setup fixture to learn the dial is off by a few number to align the cutting edges with the flats on the holder but 30 sec later and you have a bit that is sharper than a factory bought only wish I could've justified buying the bigger one the results from this make drill dr ( which I have) look like a caveman's tool Hands down if you need to sharpen your bits get it

Excellent drill grinder. Heavy duty and produces excellent split points, even on the small ones. Way better and faster than the Dr. But if you have a dr, don’t throw it because if you break and cut a bit, it can help you get the right shape before you actually make it sharp on the MRCM/vevor if you not handy with a grinder

This drill bit sharpening machine is phenomenal. Worth every penny. Sharpen drills better than factory. The collets work on both metric and sae bits.

These Sharpeners are awesome! and therapeutic! I sat down with a drawer of old bits and sharpened them all . The cut better than they did new. I did changed the angle.

Had a Drill Doctor that never worked right and replaced it with the MRCM Drill Bits Sharpener. What a difference. The MRCM sharpens way better than the DRILL Doctor with way less hassles and way easier to set up. Plus unlike the DD it’s all metal so no plastic parts to wear out. Small bits are not a problem either.

I love this unit it’s so much better than the Drill Doctor I had, the only difference was drills up to19mm this unit will handle 15mm with a small modification you need to bore the nozzle larger to handle 15 mm drills, But then works fine this unit dose fantastic job and it’s easy to use,LOVE IT

L'affilatrice funziona benissimo è semplice da usarla basta guardare le pubblicazioni videi pubblicati su google. Nel giro di 2 ore ho riaffilato tutte le punte rovinate e parlo di circa un centinaio di misura diverse. Ho comprato l'affilatrice a un prezzo di 270€ circa ,la consegna è stata velocissima. E ORA LA NOTA DOLENTE IL VENDITORE PROPONE IL PRODOTTO AL NETTO DELLE SPESE DOGANALI, MA NON VIENE DICHIARATO, QUINDI AL MOMENTO DEL RITIRO HO DOVUTO SBORSARE ALTRI 57€, contatto il venditore per chiedere il rimborso mi risponde immediatamente dicendomi che gli dispiace, ma sono problemi miei, per fortuna interviene Amazon che mi rimborsa. 10 STELLE AD AMAZON SEMPRE PRESENTE PER AIUTARE L'UTENTE 5 STELLA ALL'AFFILATRICE 1 SETELLA AL VENDITORE CHE NON RISPETTA LE REGOLE CHE HA SOTTOSCRITTO CON AMAZON. l'esborso.

Funciona muy muy bien

Worth to have this tool! I did not expect my old dull drill bits become new again! SO SATISFYING to see my stuff works the best! Very recommended to have this tool. If I could rate 10-12 start I would!

Great Little unit. The grind it puts on is impressive for the price point!. Happy I finally bought it.