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Nov 27, 2018 — I typically buy jobber or stubby HSS 135° Usually shiny finish or TiN coated, not too fussy about that. Blacks too, Said that I find 118° are ...

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Our entire product offering is designed and manufactured in Michigan, U.S.A. Got a tough job? Let the HTC-Cutter handle it for you. Whether it is carbide, high- ...

Cobalt drill bits are best suited for use on hard to machine metals, including hardened or stainless steel. Cobalt is blended in with High Speed Steel to make the drill bits harder and more wear resistant. As each cobalt drill bit consists of High Speed Steel with a small percentage of cobalt, the higher the percentage of cobalt, the more heat-resistant and durable the drill bit is.

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When drilling hardened or stainless steel, select a drill point of at least 135° or higher. This spreads the workload out over a larger cutting surface. Since hardened steel and stainless steel are both quite difficult to drill into, using a drill press or a milling machine should provide the best results.

Topics: Aluminum, Video, Metalworking and Machining, Holemaking, Drilling, Rushmore USA, TTC, Viking, Precision Twist Drill, Carbon Steel, Stainless Steel

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Need additional assistance selecting the right drill bit for your workpiece material or application? Contact our tech team!

A good quality High Speed Steel (HSS) drill bit is suitable for use on mild steels, but if you need to get a lot of use from them, go with M35 cobalt drills, or even the aforementioned M42 cobalt drills.

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Stainless steel can actually ‘work harden’ as it heats up—so keep your cool, take your time, and make sure the tool and work area stay well lubricated.

Check out our latest video, and learn how to select the right drill bit to use for the job. Take the guesswork out of drilling holes in metal, as Kurt Repsher walks you through our recommendations for drilling hardened or stainless steels, mild or carbon steels, and aluminum. Subscribe to our channel to see more exclusive how to videos and tips from the pros.

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We believe the Right Tool Is Everything™, and we strive to share our experience and expertise in an effort to ensure you select the right tool for your application, follow best practices, and can push your productivity further.

The average temperature in Puebla is 16.4 °C | 61.5 °F. In a year, the rainfall is 955 mm | 37.6 inch. Puebla are in the middle of our planet and the summers ...

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Sep 16, 2004 — You should use G76 code because G92 is pretty complicated (needs more lines for more passes and is OK for a single pass).

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I think it comes down to the defaults - If 2 flute or 4 flute is the default, then going up to a 3 or 5 flute might be a significant enough ...

Nov 4, 2022 — A milling tool is a cutting metal used to remove material from the surface of a workpiece. These tools are of different shapes and sizes.

May 11, 2023 — From cellphones and computers to industrial equipment and cabinets, countersinking is used for machining metal stock, wood, sheet-metal, and ...

Aluminum is very easy to machine, but it’s abrasive, so cutting tools will tend to wear quickly. The best drill bits for aluminum are solid carbide because solid carbide is very hard and stays sharp much longer than other materials, providing extended tool life. If you’re only poking a few holes, high speed steel (HSS) is fine. Using a cobalt drill bit isn’t worth the extra cost because on aluminum, its performance level is about the same as that of high speed steel. Skip the coatings on these drills —there’s no need to increase the already high cost. Especially avoid any coating with “Al” in the ingredients (AlTiN, TiAlN, etc.). A drill bit with a  bright finish is ideal.

Hiteco drilling machines are the result of fifty years of constant technological development by one of the most prestigious world leaders in the production ...

Try to avoid the cheapest drill bits, or you could likely end up spending more in the long run. Always use cutting oil or coolant for any drilling operation.

SFM Calculator. To find the Surface Feet Per Minute (SFM), please enter the Diameter of Cutter or Workpiece (if turning), and the RPMs. Required Formulas. SFM ...