When you drill a tiny hole, you work with a tiny drill. Using a drill press or a milling machine is tricky business. You can’t get good feel of your peck with a giant machine and a tiny weensy drill bit. You’re just asking for broken bits with each peck. Pecking without a micro drill adapter is just wrong. Don’t do it.  Here’s why.

Feel the Peck

When you use your drill press on a regular basis, you get a feel for the machine. Almost instinctively you sense every part of the entire peck cycle. The signals at your fingers transmit to the brain without you thinking. You’re just conscious of keeping chips clear.

It’s not the same when that drill press is outfitted with a little bitty bit. You miss out on tactile sensation.  So, adapt the mill or press for fingertip control.  It’s easier not hard. Furthermore, it’s not expensive. You got no excuse. It doesn’t require expensive tooling.  Just add on a micro drill adapter.

Now you can feel the bit and drill effortlessly. Swap broken bits for an adapter and experience every sensation in every peck cycle.

micro drill adapter made by Sierra AmericanUsing a Micro Drill Adapter

Modify your press or mill with the micro drill adapter and take control of every peck. Simply insert the small device in the chuck (it works with keyed and keyless chucks) and then mount it on your drill or press. Take control of the bit as the spindle is rotating. It’s easy. Grab the adapter ring and begin the first peck cycle. While the spindle rotates, the adapter gives you control of the bit.  Get an even faster setup if you If you really want to be slick, put your bit in the micro drill adapter before you place the adapter in the chuck. How’s that for fast setup?

Also Known As an Accufeed

Most any CNC supply shop sells these adapters. They are also called accufeeds. Like soda and pop are the same drink,  accufeed is just just the same tool going around and using a different name.

Buy your micro drill adapter from The Tool Store if you want American-made quality. You’ll get double shielded bearings and a hardened pin design for extra durability. Don’t be wrong. Always make your small holes with a small bit and an adapter that restores fingertip control.

It’s just a fact of life. Some jobs in the CNC shop require very small holes. The only way you can get a small hole is with a really small bit. Problem is, those really small bits mean huge problems for big machines.  You need a solution and you need precision. What you need is a micro drill adapter or an accu-feed.

small holesThe Problem with Small Holes

Small holes go hand-in-hand with precision jobs.  You may need to make a small hole if you are making jewelry or watchmaking.  If your job requires scroll work, you are going to need to make small holes.  Machining for the electronics industry requires very, very small holes.  The medical industry has many applications that require small holes.  Sometimes the machinist working in the hobby workshop has a need for small holes. It feels like small holes are everywhere.  That’s because they are everywhere.

From the machinist’s point of view, small holes are a problem because you need a small bit to make a small hole. Those bits with a small diameter are notoriously fragile.  The mills, lathes, and drill presses in a CNC shop are not small.  But you must harness those big machines to turn your very small bit to make that tiny hole. You can’t win for losing.  Well, okay, it might not be that bad but you will certainly break many bits in the process. Surely there is a better way.

You Must Have Sensitivity

When you mount a small bit in a huge drill press and pull the handle down, you have no sense of the peck. There is no tactile sense from the bit.

That drill press handle can’t give you the input you need to determine the level of pressure you apply with each peck. This is a problem because very small bits are not built for pressure. They just can’t take it. Those small bits will snap and break when drilling that small hole you need.  Very frustrating!

What you need is something that you can attach before the tool-holding collet.  You need something that will give you fingertip control. You know, that special control you get from the sensitivity at the tips of your fingers. Imagine if you could peck as if the drill bit was an extension of your hand.

This is exactly the precision and control you get if you drill with a micro drill adapter or accu-feed.

micro drill adapter made by Sierra AmericanThe Micro Drill Adapter aka Accu-Feed

Precision, controlled drilling isn’t a pipe dream if you attach a micro drill adapter.

The micro drill adapter (also known as an accu-feed) allows you to get fingertip sensitivity with a very small bit even if you use a very big machine.

You install a micro drill adapter between the chuck and the collet.  Lower the bit and start your peck cycle with sensitivity.  You get virtual fingertip control.  Know you an feel the exact amount of pressure you are applying. Because you can feel the bit you snap fewer bits. It’s so much easier to drill the tiniest o holes with ease and precision if you can feel what you are doing.

Drill Small Holes with Ease

You can drill a small hole with ease if you use a micro drill adapter.  Drill small holes with huge machines without snapping bits. Just add a micro drill adapter to your drill press.

The Tool Company offers an accu-feed that is a micro drill adapter made with double shielded bearings for smooth operation. It is a tough micro drill adapter that delivers on sensitivity.  You get a tool that is  hardened and precision ground for accuracy.  The unique, hardened pin drive design won’t let you down by weakening0 or expanding like inferior “c” clip styles.

Like every tool at The Tool Company, this accu-feed is made in the USA.

So, if you need to use a huge machine to drill a tiny hole with precision, click here to order your mirco-feed adapter today.

The book stores are filled with “dummies guide to” any topic you can imagine. You don’t have to be an Einstein to use a micro drill adapters and you don’t need to buy a book.  Even if you aren’t the sharpest tool in the shed, here’s what you need to know about micro drilling and the need for using a micro drill adapter.

Why Micro Drilling Isn’t The Same

cnc milling machine uses micro drill adaptersThe physics of machining gets more precise as you work on a smaller scale.  Micro machining is more sensitive than just machining in miniature.

When you micro machine you are using high-speed spindles with low run out. It also demands rigidity. Rigidity keeps the contours from changing when the force changes. If everything doesn’t fall into place just exactly you don’t get the end result you need.  Then you feel like a real dummy for wasting valuable machine time and material as well as your own time.

To micro drill you need to start with the right machine and drill. But that’s just the start. You also need the right collet. When it comes to micro drills, the tool holding technology is just as important as the machine and tool.  Thus, a high precision collet that has been hand clamped to the spindle will give you the  accuracy the job demands.  Automatic tool changers are not always accurate enough for micro machining.  With micro machining, you can’t afford any inaccuracy. No inaccuracy is small with micro machining.

Every dummy needs to understand this key concept.

It’s all About the Details

Micro  drilling demands attention to detail. That’s true for every job in a CNC or manual machine shop, but some jobs have a larger margin of error. Micro machining is not that job.

Pay attention to the drill material itself.  Make sure you select a high-quality drill that has the shortest cutting flutes possible to do the job. As a general rule, select high speed steel over carbide unless the material requires carbide.

Speeds and feeds are critical. Control the feed rate must be carefully. Don’t pull the drill into the work piece. When the drill gets pulled in the bit is ruined. It can even break your drill.   Stick with an RPM under 3000. Higher RPMs decrease the usable life of the cutting edges of the bit.

micro drill adapter made by Sierra American

The Best Micro Drill Adapter

Use an adapter that puts you in complete control.   Use a micro drill adapter from The Tool Company  that features:

  • Double shielded bearings
  • Sensitive fingertip controls
  • “O” tapper design to work with keyed and keyless chucks
  • Precision ground construction
  • Hardened pin drive design

The Tool Company only sells micro drill adapters made right here in the USA. You can’t go wrong supporting quality US manufacturing.

Be careful.  Some suppliers sell inferior micro drill adapters made in China from cheap material.  That won’t happen at The Tool Company.   At The Tool Company, you always get a high-quality tools, made in the USA, and backed by a warranty.



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