Welcome and thank for visiting the Carbide-Endmill-Shop.com. We offer the widest selection of solid carbide end mills and here at the carbide endmill shop the best carbide prices anywhere online. The carbide-Endmill-Shop.com was designed by Midwest Industrial Supply Inc, who was ranked one of the top 500 industrial Suppliers the last 3 years in a row.  

We are committed to providing excellent service and quality products to our customers.

Our team consists of highly skilled engineers, operators, inspectors, and our customer service and support, is world class. We have an established reputation for delivering high quality cutting tools and extremely economical prices. While our list of loyal, satisfied customers continues to grow, we will continue to stay committed to improving their bottom line. We specialize in quick turnarounds times on both stock items as well as for specials and custom tools, putting us a step above the competition. While the manufacturing industry continues to change and grow, we are doing the same. 

We will continue to carry and add more of your favorite brand name cutting tool manufacturers. As of right now we carry the full product line from HTC Tool-Cutter & Manufacturing, Supermill, Melin Tool, Rapidkut, YG-1, and more. We have also added the new High Performance carbide End mill Series from  Piranha USA, who has taken the industry by storm. 
At the carbide-Endmill-Shop.com, you can look forward to an online shopping experience that is lightning fast,  easy and 100% secure. We will never take our customers for granted and we are always here to service you better. please feel free to drop us a line anytime, day or night. 

End Mill Training - Types and Characteristics of End Mills

Flutes - Spiral cutting edge on the end mill. 2 and 4 flute end mills are the most commonly used.
  • 2-Flute - Allows maximum space for chip ejection. Used for general milling operations.
  • 3-Flute - Excellent for slotting. Used for general milling operations.
  • 4, 5, 6, and 8 Flute - A greater number of flutes reduces chip load and can improve surface finish, if feed rate remains the same.

Ball End - Used to mill die cavities and fillets, round bottom holes and slots.

Carbide - This tool material combines increased stiffness with the ability to operate at higher SFPM. Carbide tools are best suited for shops operating newer milling machines or machines with minimal spindle wear. Rigidity is critical when using carbide tools. Carbide end mills may require a premium price over the cobalt end mills, but they can also be run at speeds 2 1/2 faster than HSS end mills. For best results mount in a hydraulic type holder.

Coatings - The use of Titanium coated tools will increase the surface hardness of the tool to near 85 Rc. This will allow for greater tool life at increased cutting speeds & feeds (15 - 25%). The carbide End Mill Shop offers Titanium Nitride (TiN), Aluminum Titanium Nitride (AlTiN), and Titanium Carbonitride (TiCN). See coating chart

Cobalt - Type of high speed steel tool which has a 8% cobalt content (M42). This material has excellent abrasion resistance for improved tool life over standard high speed steel (M7).

Corner Radius - Conventional end mill with radius ground on the tips of the flutes to help reduce chipping on the tip. For mold applications, radius tools can remove more material faster than ball ends.

Corner Rounders - Cutters having form ground radius with relieved clearance.

Double End - An end mill that has teeth on both ends of the cutter. End mill holders must have sufficient clearance to allow for the use of a double end cutter.

Drill Point - Multipurpose tool which can be used for drilling, milling, or chamfering.

High Helix - Usually a 40 to 60 degree spiral on the tool's flutes. Effective for rapid chip ejection in milling of aluminum and other materials.

HSS - A baseline tool steel. In the past, a majority of end mills were made from standard High Speed Steel (M7). Usually inexpensive, but do not offer the tool life or speed and feed advantages of Cobalt and Carbide end mills.

Left-Hand Spiral - Used for milling multiple layers of thin sheets where chip flow is directed away from work.

Rougher (Hog Mills) - End mill with interrupted shape on outside diameter to remove large amounts of material quickly. Typically can remove material up to three times the rate of conventional end mills with different types available to achieve the desired finish on the material.The Carbide Endmill Shopoffers roughers in Coarse Pitch, Fine Pitch, Rougher/Finisher, and 3-Flute for Aluminum styles.

Single End - Teeth on one end of the cutter only. This style is the most common available.

Stub Length - Used for milling of shallow slots in all types of materials where heavy feeds are required and tool deflection is minimize


Solid carbide End Mills: Common Problems & Solutions

Excessive Chatter

Problem: Vibration and sound are excessive when the tool engages the workpiece

Possible Solutions:

  1. Increase your feed
  2. Reduce your cutting forces by reducing speed and/or feed or axial and/or radial depth of cut
  3. Increase your system′s rigidity by changing over to a stub length end mill or improving your workpiece fixturing
  4. Change geometry – use an end mill with variable flute spacing or a small circular margin

Poor Surface Finish

Problem: Work surface looks uneven and feels rough

Possible Solutions:

  1. Increase system rigidity
  2. Increase speed
  3. Reduce Feed
  4. Change to higher helix geometry
  5. Change to an end mill with more flutes

Excessive Wear of End Mill

Problem: Tool is wearing at cutting edges causing poor performance

Possible Solutions:

  1. Reduce Speed - A 50% reduction in speed will almost double the tool life
  2. Increase/Decrease Feed - A feed rate that is too light will cause excess rubbing
  3. Change Geometry of the Tool - Number of flutes, helix angle, length of cut
  4. Change material grade and/or add a coating
Basic Milling Formulas

RPM = SFM x 3.82 ÷ Tool Diameter

IPM = RPM x # of Flutes x Chip Load

Chip Load = IPM ÷ RPM x # of Flutes

SFM = .262 x Tool Diameter x RPM

Revolutions per Minute (RPM):How many revolutions the cutter has in one minute

Inches per Minute (IPM): Number of inches the cutter passes through the workpiece in one minute

Chip Load:The amount that each flute cuts during a single revolution of a cutting tool

Surface Feet per Minute (SFM): This is the cutting speed of the end mill in the United States. It is the number of feet per minute that a given point on the circumference of a cutter travels per minute


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