I upgraded to the 500 and WOW am I ever impressed. 4.0 out of 5 stars Poor workmen blames his tools. Common Drill Angles. With the Drill Doctor plugged in, but turned off, place the chuck into the alignment guide with the notch on the chuck in the 118-degree mark (straight up). This based on a quick CAD view of the points ignoring center web, etc. Much quicker to sharpen a bit on the Drill Doctor than drive to the store for a new bit. by stewartyqui-0 07 Sep, 2018. professional design and construction for durability for added durability, The Drill Doctor 500x features a … Helpfulhermit. No questioning of … For my purposes not a big deal but for some craftsman out there, that might be very particular about this, it could be an issue. Does a great job. 2 people found this helpful. 135 degree split point prevents walkaround Fully ground with amber finish Manufactured to DIN338 ... Maybe time I invested in a Drill Doctor. There’s not big learning curve either. The Drill Doctor Model is designed for durability and has the flexibility required to sharpen the largest range and most popular sizes of dull or broken bits-including split points and masonry bits. The 360X is aimed more towards basic use, whereas the XP, 500X and the 750X are suited to more professional/advanced usage. Easily replaceable diamond grinding wheel, sharpens 118 and 135 degree point angle drills sized 3/32 to 1/2 In. 02-16-2008, 02:15 PM #14. bosleyjr. Most drill bits for drilling wood, metal or masonry incorporate some type of flute in the design. Pro Tip: When you’re sharpening your good bits, stick with the angle they came in. Q: Do I need to lubricate my cobalt drill bit every time I use it? For over 40 years they have been creating industry-leading sharpening tools in the USA. DD750X can sharpen 118-degree and 135-degree bits, up to 3/4", can also split the points, also has an adjustable material take-off and comes with the storage bag. The most common included angles for drills are 118° and 135°. The model DDXP can only sharpen 118-degree drill bits. Drill Doctor doubtful results. I had a Drill Doctor 350 which was ok but it could only sharpen an angle of 118. 135 degree points were used for hard stock; if the 118 degree points went dull too soon. 1st bit I sharpened just smoked on steel, a minute later on the Drill Doctor I was drilling holes in steel again. I have about 20 pounds of old drill bits that I have purchased over the years and so far everyone that I have used Drill Doctor on cut through like butter. Cast aluminum sharpening port for added durability The 135 degree point comes on a cobalt drill which has a much thicker web. The search engine on this news group didn't show any posts on Drill Doctors, so I thought I'd share my experience with you, hoping that it will help someone avoid wasting their money. There are several advantages to the 750X model as you move up from the 350X through the various models. Shop drill bits and a variety of tools products online at Lowes.com. I upgraded to the 500 and WOW am I ever impressed. You get … With aggressive 135 degree tips, these cobalt drills bits not only last longer but also cut faster than standard high speed steel bits. If you are sharpening a 135 … This is a … Comment Report abuse. * indicates that there are currently no courses offered for this subject in the current session. The Drill Doctor 500X Drill Bit Sharpener is easy to use and works fast, sharpening bits in less than a minute. A 118-degree bit has a sharper point, whereas 135-degree bits are more flat at the tip. The Drill Doctor range of drill bit sharpeners offers a solution for everyone. Exactly, Mikey. Read more. 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