6/28/2017 | 1 MINUTE READ

Emuge EF Micro Drills with Coolant-Through Design

Originally titled 'Sub-Micro Grain Carbide Coolant-Fed Micro Drills'
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The EF Micro Drills range from 0.0295” (0.75 mm) up to 0.1181” (3.0 mm) in diameter, are all coolant-through design and are ideal for aerospace, medical and precision automotive applications designed for producing small, deep holes in steel, cast iron, stainless steels and nonferrous materials.

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Emuge Corp. has expanded its EF-Series of high penetration rate drills with a new line of sub-micro grain carbide coolant-fed micro drills. The EF Micro Drills range from 0.0295” (0.75 mm) up to 0.1181” (3.0 mm) in diameter, are all coolant-through design and are ideal for aerospace, medical and precision automotive applications designed for producing small, deep holes in steel, cast iron, stainless steels and nonferrous materials. All tools are 6 × D length and can accommodate most production applications.

The face geometry of the drills generates short chips in the drill operation, ensuring high drill hole accuracy. The micro face point and flute geometry, in addition to the coolant-fed design, enable excellent chip evacuation for the highest possible drilling speed, while reducing the need for peck cycles or clearing chips. The drills have a TiALN T99 multi-layer PVD coating designed for added heat and wear resistance. This significantly reduces built-up edges and edge chipping, substantially increasing tool life. In addition, the large central tool shank channel is designed to guarantee maximum coolant intake capacity, allowing optimal coolant transfer.

The internal coolant supply enables machining down to even the smallest drilling diameter of 0.75 mm. Drills also feature a double margin design for added stability and superior hole surface finish, the company says. 

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