Robert McDonald

Robert McDonald
Sanding Belts - How to Choose the Best One
Not sure how to choose the best sanding belt for your machine and application? This guide is here to help you make the best choice possible! Picking sanding belts can be somewhat of a daunting task with the combination of all the different grit sizes as well as the types of grain and backing materials on the belts. Let’s start with what type of grain material works best for each application and then we will help you with grit size and backing material. There are 4 major categories of abrasive sanding belt material that are most common. These are; Aluminum Oxide, Zirconia (sometimes re..
Klingspor Abrasives: How to Sand Properly
It seems that many people find sanding to be something difficult and annoying that they would prefer not to have to do. Consequently, they end up doing it quickly (and often, poorly) without realizing that the job would be faster and less difficult if they took the time to do it properly. How To Sand Like A Pro A common error is to start off with too fine a grit. They will then sand for what seems like forever, becoming frustrated and tired. Fortunately, there are some things to do—and some things to avoid—making life much easier. Slow Down It is a fairly logical thought that ..
Shaper Cutter Basics
Whether you are upgrading from a router table or dusting off that big ‘ol behemoth in the corner, getting started with a shaper can seem like a daunting task. This guide will help you narrow down exactly what type of shaper cutter may be suitable for your needs. Corrugated Knife Head This is a head that accepts corrugated back HSS knives that can be custom ground into just about any profile. These are great for short runs where you need to match a particular profile. Since these are steel they can be honed at home but if you take a nick out of them or they get too dull you will need to h..
Klingspor Abrasives: What You Need to Know About Sandpaper
If you have not worked much with wood and have not had much use for sandpaper in the past, you probably think that there isn’t much to it. You know that you would use it to smooth edges after a cut, and you may have been told to sand between coats of paint, but when you head out to buy some, you might be faced with more kinds than you could have imagined. Which one do you need? What is the right kind for the job? There’re a few things that you should know, such as the right size of sandpaper grit and the appropriate coarseness, so let’s take a look at the options available to you.  Si..
Bandsaw Length by Make & Model Number
Band saw blades from Online Supply are all custom made to your specific requirements, so you can get the best possible blade for your particular application. If you already know what you need, then head on over to our Custom Welded Bandsaws page and fill out the custom blade form. If you are not sure, then the list below may help. If your machine is not listed, head over to our article on “How to Choose the Best Band Saw Blade” and we will help you figure out what would work best for you! We have compiled a list below of make & model numbers along with the length of ba..
What are Carbide Burrs for?
Carbide Burrs (also known as Rotary Burrs) are used for cutting, shaping, grinding and for the removal of sharp edges, burrs and excess material (deburring). 1. What material can Carbide Burrs be used on? Carbide burrs can be used on many materials. Metals including steel, aluminum and cast iron, all types of wood, acrylics, fibreglass and plastics. When used on soft metals such as gold, platinum and silver, carbide burrs are ideal as they will last a long time with no chipping or breaking. Steel, Carbon Steel & Stainless Steel Cast Iron Aluminium Titanium Cobalt Nickel ..
Best Sanding Discs for High-Gloss Polyurethane
High-Gloss Polyurethane Finishes Are you looking for the best possible sanding abrasive product for finishing high-gloss polyurethane finishes? Klingspor's PS73 sanding discs and sheets are specially formulated with a "double stearate" coating to perform exceptionally well in this application. Technical data: Grain Annealed aluminium oxide Coating Semi-open Bonding agent Resin Backing C-paper (P40-120) B-paper (P150-1500) Coating with stearate Application: Rough to fine sanding of flat and curved surfaces with hand sanders Material: Paint, varnish, filler, plastics, composites, ge..
How to Choose the Best Band Saw Blade
Band saw blades from Online Supply are all custom made to your specific requirements, so you can get the best possible blade for your particular application. If you already know what you need, then head on over to our Custom Welded Bandsaws page and fill out the custom blade form. If you are not sure, then keep reading and we will help you figure out what would work best for you! Note on 3 Wheel Bandsaws and Bench Top “Hobby” Saws  – The blades we custom weld are not guaranteed for use on a 3 wheel or hobby bandsaw. These saws typically have wheels that are 10” or less in diameter. You can ..
Klingspor Abrasives: Sanding Belt Product Codes - What Do They Mean?
The codes on the back of a sanding belt are the way abrasive manufacturures designate their different sanding belt materials. Here is a guide to the codes you will find on OnlineSupply and how to choose the best one for your application. PS22F  This paper backed aluminum oxide belt is for hardwood sanding in wide belt sanders and stroke sanders. The ACT coating helps resist clogging Aluminum Oxide – Close Coat – F Weight paper – ACT Coating PS29F Our most popular paper backed material. Excellent in both softwood and hardwood appplications on wide belt sanders and stroke sanders...
What Is The Best Sanding Abrasive To Use
What Is The Best Sanding Abrasive To Use From grinding, flattening, cleaning, finishing, or smoothing surfaces, abrasives have been used since the stone ages. Back then, a handful of sand was the only option available to get the job done. But these days, there are a dizzying array of sanding products to choose from. With so many choices, it can be confusing to find the right abrasive for the right job. To help clear up some of the guesswork, here are some handy tips on how to track down the best sanding abrasives to use.   Garnet sandpaper Garnet sandpaper might not be as toug..
How to choose the best Carbide Tipped Saw Blade
How to choose the best Carbide Tipped Saw Blade Choosing a carbide tipped saw blade can be a daunting task, but once you break it down and understand what each difference makes, you can select a great blade for your specific cutting job. Determine the correct diameter of saw blade needed. This will usually be listed somewhere on your saw and could be indicated in SAE (inches) or Metric (millimeters). So a 10” saw may be listed as 250mm and these are in most cases interchangeable. The outside diameter of a saw does not in most cases need to match exactly but should not be over the..
Skookum Tools – Online Supply: a History
After spending almost 15 years working in a local industrial supply store, Rob McDonald was ready for a change spurred by a strong entrepreneurial itch. His first choice was to attempt to purchase the company he was working for. This seemed to be progressing until the current owner of that store had a change of heart, wanting to maintain majority control over the company. This put Rob in an awkward position as he had already made clear the desire to become an owner and to step back into the “same-old – same old” just did not feel right. Now, during the time leading up to this, Rob was very ..
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