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GrafNCalc83 App

GrafNCalc83 App

This app is one of the best things that has ever happened to the iPhone. The creator of the app, Ernest Brock, was very helpful and was always quick to respond to my questions. This is the number one app I use on my phone now. I have also provided a post with a video about how to import my programs onto your iPhone as well as the basic settings to use for my programs. Thanks for visiting  www.MachinistKalc.com  today.

June 2024 Tip: Metric Size Drill with Decimal Inch Equivalent Chart

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Today's handy tip is a PDF download for a chart that shows  decimal inch equivalents  to metric size drills as shown in the sample image below. The sizes range from 0.35 mm/.0138 inches to 15 mm/.5905 inches. Here's a link to all my Machinist tips in case you've missed any. I have had a contact form issue (Contact tab is at the top of this page) and have fixed that if you should need to get in touch with me with questions or requests. Thanks for visiting MachinisthKalc.com

May 2024 Tip: High Speed Steel Tool Data

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This month's tip includes data for general purpose high-speed steels and cobalt high-speed steels. The 5-page  download includes definitions of terms shown in the image, as well as reference and documentation data and special surface treatment descriptions and characteristics. A few examples of special surface treatments are: black oxide, gold finish, and polished finish. Other names these treatments are 'also known as' are provided in the download file as well. I hope you enjoy today's tip provided by www.machinistkalc.com . 

April 2024 Tip: Reconditioning Drills

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Reconditioning a drill not only keeps your drills in top performance for the next job, but will also save money until the drill can no longer be reconditioned. Today's tip will show you how to thin web thickness, remove worn sections of a drill, and regrind a point surface. This tip goes hand in hand with an earlier tip I posted about  drill troubleshooting . Download this free   7-page tip sheet , print it out, and keep nearby while performing any of these reconditioning processes.  Thanks for visiting machinistkalc.com today.

March 2024 Tip: Twist Drill Grinding

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Knowing whether to use a blunt or acute point is critical when using a twist drill. This may require modifying (grinding) the standard drill point angle to accommodate those needs. Download and use this tip sheet for the best points to use on the most frequently used materials including: thin sheet metal, plastics, wood, soft and medium hard brass, fiber, rubber, aluminum, marble, heat-treated steels, and many more. If you like this post, you might also like my February 2024 tip which discusses drill bit nomenclature and provides a download for easy access to those named parts. Thanks for visiting www.MachinistKalc.com today.

February 2024 Tip: Parts of a Drill Bit

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As a machinist, it's important to know the names and location of each part of a drill bit. Because each part has a specific function, and knowing the functions makes them easier and safer to use. I'm providing a basic download to help you better understand drill bit nomenclature. Please contact me if you're unable to download this simple tool . More on drill bits will be available next month. Until then, take care. www.MachinistKalc.com

January 2024 Tip: Table of Trigonometric Functions

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Today's download  is 8 MB, 53 pages long, and provides formulas  for trig functions that every machinist will use most of the time. Find the sine, cosine, tangent, cotangent, secant, and cosecant of angles. Download the file to your phone or print and keep it nearby for these types of jobs.

December 2023 Tip: Formulas to Calculate Right Triangle Sides and Angles

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Every machinist deals with right triangles on a regular basis, so my gift (a.k.a. machinist tip) to you this month is this highly beneficial 2-page PDF document, because it's impossible to remember ever formula. Download and/or print this handy PDF file of formulas to calculate right triangle sides and angles .  Merry Christmas from www. MachinistKalc.com . 

November 2023 Tip: Table of Squares and Square Roots

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Today I'm offering a PDF download of a Table of Squares and Square Roots - a must-have for any machinist. The table provides N 2  and √ for numbers ranging from 1 to 100. Just click on the link above to download and print, and keep it in your wallet or toolbox. If you have the capability of saving PDFs to your smart phone, it may be easier to keep this table at your fingertips. If you aren't able to download PDFs to your device, you can save it to your Google Drive and open it from there on your phone. Thanks for visiting MachinistKalc.com .

September 2023 Tip: Decimal Equivalents of Letter Size Drills

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I hope you enjoy this free chart that covers drill letter sizes from A to Z. Conversions are decimal equivalents as partially shown below. Print out the conversion chart or save to your smart phone so you will have this readily available whenever you need it.  Thanks for visiting www.MachinistKalc.com .  

Free Drill Size for Pipe GrafNCalc83 Programs

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In case you're just finding MachinistKalc.com, I want to let you know that you will, first, need to download the GrafNCalc83 calculator app onto your iPhone in order to use my programs from this website. I'm not affiliated with this app or the creator in any way. It's simply a great app that I use to double check my own calculations as a machinist. Woodworkers and hobbyists will likely find many of these calculator programs helpful as well.  Since my iPhone is always with me, it's easier to use this app than it is to carry a TI83 calculator around or a Machinery's Handbook. I thoroughly check these programs before releasing them. However, I want to stress that these are to be used for double checking your own calculations and not as your main source of calculating. Please see my disclaimer page for more information .  In this free package, you'll receive the NPT (National Pipe Taper), NPS (National Pipe Straight), and BSPP/BSPT (British Standard Parallel Pipe/B