PRIMATE CEM58R4020 Carbide End Mill Flute 5/8 1-1/4 3-1/2 .020R

( Brand: Primate ), ( Part Type: Flute ), ( Manufacturer Part Number: CEM58R4020 )

Review PRIMATE Carbide End Mill Flute 5/8 1-1/4 3-1/2 Inch .020r

The Primate CEM58R4020 Carbide End Mill is a high-performance cutting tool designed for machining various materials, including aluminum, steel, and other conductive and non-conductive materials. This particular milling tool features a 5/8 shank size, making it compatible with standard 5/8 shank holders. The tool length measures 1-1/4 inches, while the overall length of the milling end is 3-1/2 inches.

The CEM58R4020 Carbide End Mill is engineered with 4 flutes, each with a helix angle of 30 degrees, providing excellent chip evacuation and increased material removal rates. The flute design also ensures reduced vibration and improved tool life, leading to smoother cuts and higher productivity.

This milling tool is manufactured using premium grade carbide material, ensuring superior strength and rigidity. The cutting edges are precision ground to ensure high accuracy and consistent cutting performance. The tool's corner radius measures 0.200 inches, allowing for effective machining in tight spaces and complex geometries.

The Primate CEM58R4020 Carbide End Mill is also designed with a positive rake angle, which helps reduce the cutting forces and thermal buildup, further contributing to extended tool life and improved surface finish. Its robust construction and advanced design make it an ideal choice for various CNC machining applications, particularly in the aerospace, automotive, and general engineering industries.

In conclusion, the Primate CEM58R4020 Carbide End Mill is a versatile and high-performance cutting tool that delivers excellent results when machining a wide range of materials. Its 5/8 shank size, 4-flute design, and premium carbide material construction ensure high rigidity, improved chip evacuation, and extended tool life. This milling tool is an essential addition to any machining shop looking for superior cutting performance and productivity.

Primate CEM58R4020 Carbide End Mill: A Comprehensive Analysis

The Primate CEM58R4020 Carbide End Mill is a popular choice among machinists due to its durability and versatility. In this analysis, we will discuss the key features, advantages, and disadvantages of this end mill.

1. 5-Flute design

2. 5/8 shank

3. 1-1/4 length

4. 3-1/2 overall length

5. 0.200 inch radial depth of cut

6. Made of high-speed solid carbide

7. Coated with titanium aluminum nitride (TiAlN)

1. Increased rigidity: The 5-flute design and 5/8 shank provide better rigidity and stability during machining, reducing vibration and improving surface finish.

2. Longer tool life: The high-speed solid carbide material and TiAlN coating ensure excellent wear resistance and longer tool life, even when machining difficult materials such as titanium or aluminum.

3. High cutting speed: This end mill is designed for high-speed machining, allowing for faster production times and reduced machining costs.

4. Versatile: The 0.200 inch radial depth of cut and various flute lengths make this end mill suitable for a wide range of applications, from light to heavy-duty cutting.

1. Higher cost: Compared to HSS end mills, carbide end mills like the Primate CEM58R4020 are more expensive due to their superior material and coating.

2. Requires careful handling: Carbide end mills are brittle and can be easily damaged if not handled with care. They should be stored in a protective case and should not be dropped or subjected to heavy impacts.

The Primate CEM58R4020 Carbide End Mill is an excellent investment for machinists who require high rigidity, long tool life, and increased cutting speed. Its versatility and ability to handle difficult materials make it a valuable addition to any toolbox. However, the higher cost and the need for careful handling may deter some users.

If you frequently work with hard-to-cut materials and require superior tool life and rigidity, the Primate CEM58R4020 Carbide End Mill is an excellent choice. Consider the cost-benefit analysis and ensure that the advantages outweigh the disadvantages for your specific application.

part # cem58r4020 prices

• $37.99-$41.47

specifications drillnubbin:

• brand: Primate
• part type: Flute
• manufacturer part number: CEM58R4020

payments drillnubbin:

• other
• wallet: Apple-pay
• credit card: Discover

offer drillnubbin:

• options: Ship-to-home
• started: December 15, 2025
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1

shipping drillnubbin:

• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• type: Calculated
• cost: $0.00
• transit: 3-8 Days

general drillnubbin:

• condition: New
• Tools Workshop Equipment > Power Tool Air Tool Accessories > Drill Bits

returns drillnubbin:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days
• method: Money back

seller drillnubbin:

• # reviews: 11074
• rating: 100.0%

Primate CEM58R4020 Is Similar To:

• Primate Cem34b4 4 Flute Carbide End Mill 3/4 X 1-1/2 (62.9% similar) $44.97–$47.99. (December 4th, 2025)