Getting started bits
When starting out with CNC this first group of bits is a good place to start.  The bits listed below are only a sampling of what's available and you will find similar bits offered by other brands and sources - some costing more and some costing less. But the ones below have performed very well.  

End Mill - 1/8 dia.

    

Brand - Whiteside-RU1600

Two flutes - solid carbide

Spiral - up-cut

Cutting length - 1/2"

Shank - 1/4"

Whteside RU1160 .png
V-bit - 90-deg.

   

Brand - Amana RC-45711

Single flute

Carbide insert

11/16 in. dia.

​​1/4-Inch shank

Spoil Board bit  1-1/4" dia.

  

Brand - Freud 

Two flutes

Carbide tipped

Shank - 1/4" dia.

Spoil Board bit  1-1/4" dia.

   

Brand - Freud 

Two flutes

Carbide tipped

Shank - 1/2" dia.

Spoil Board bit  1-1/4" dia.

   

Brand - Freud 

Two flutes

Carbide tipped

Shank - 1/2" dia.

Engraving - 60-deg.

    

Brand - Onsrud

Single flute - Solid Carbide

Tip - .005" 

Shank - 1/4" dia.

Freud morting bit 16-108.jpg

Spoil Board bit  1-1/4" dia.

   

Brand - Freud 

Two flutes

Carbide tipped

Shank - 1/2" dia.

Spoil Board bit  1-1/4" dia.

   

Brand - Freud 

Two flutes

Carbide tipped

Shank - 1/2" dia.

Spoil Board bit  1-1/4" dia.

   

Brand - Freud 

Two flutes

Carbide tipped

Shank - 1/2" dia.

Amana 45620 Solid Carbide 30 degree Engraving 0.0108 Tip Width x 1/4 Shank.png